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	diff --git a/CHANGELOG b/CHANGELOG
	index 6c50340cc..d0473c675 100644
	--- a/CHANGELOG
	+++ b/CHANGELOG
	@@ -1,1461 +1,1462 @@
	CHANGELOG Roundcube Webmail
	===========================

	- Improved keep-alive action. Now the interval is based on session_lifetime (#1488507)
	- Added cross-task 'refresh' request for system state updates (#1488507)
	+- Renamed config options: keep_alive to refresh_interval, min_keep_alive to min_refresh_interval
	- Fix AREA links handling (#1488792)
	- Better client-side timezone detection using the jsTimezoneDetect library (#1488725)
	- Fix possible HTTP DoS on error in keep-alive requests (#1488782)
	- Add option to disable saving sent mail in Sent folder - no_save_sent_messages (#1488686)
	- Fix handling dont_override with message_sort_col and message_sort_order settings (#1488760)
	- Fix HTML part detection in messages with attachments (#1488769)
	- Fix bug where wrong words were highlighted on spell-before-send check
	- Fix handling of URLs with asterisk characters (#1488759)
	- Remove automatic to-lowercase conversion of usernames (#1488715)
	- Fix scrolling quirk in email preview frame using Opera 12 (#1488763)
	- Fix displaying of multipart/alternative messages with empty parts (#1488750)
	- Fix threaded list sorting on PHP < 5.2.9 (#1488748)
	- Plugin API: Add 'email_list' argument for identities data in user_create hook
	- Integrated zipdownload plugin to download all attachments (#1445509)
	- Fix HTML special characters handling in message list/header display (#1488523)
	- List related text/html part as attachment in plain text mode (#1488677)
	- Use IMAP BINARY (RFC3516) extension to fetch message/part bodies
	- Fix folder creation under public namespace root (#1488665)
	- Fix so "Edit as new" on draft creates a new message (#1488687)
	- Fix invalid error message on deleting mail from read only folder (#1488694)
	- Replace data URIs of images (pasted in HTML editor) with inline attachments (#1488502)
	- Remove (too big) min-width on mail screen
	- Added template object 'frame'
	- Add option to enable HTML editor on forwarding (#1488517)
	- Add option to not include original message on reply, rename option top_posting to reply_mode (#1485149)
	- Added session_path config option and unified cookies settings in javascript
	- Added "Undeleted" option to messages list filter
	- Rewritten test scripts for PHPUnit
	- Add new DB abstraction layer based on PHP PDO, supporting SQLite3 (#1488332)
	- Removed PEAR::MDB2 package
	- Removed users.alias column, added option ('user_aliases')
	to use email address from identities as username (#1488581)
	- Removed redundant cache.cache_id column (#1488528)
	- Fix order of attachments in sent mail (#1488423)
	- Fix Shift + delete button does not permanently delete messages (#1488243)
	- Add Content-Length for attachments where possible (#1485478)
	- Fix attachment sizes in message print page and attachment preview page (#1488515)
	- Add mail attachments using drag & drop on HTML5 enabled browsers
	- Add workaround for invalid BODYSTRUCTURE response - parse message with Mail_mimeDecode package (#1485585)
	- Display Tiff as Jpeg in browsers without Tiff support (#1488452)
	- Don't display Pdf/Tiff/Flash attachments inline without browser support (#1488452, #1487929)
	- Add is_escaped attribute for html_select and html_textarea (#1488485)
	- Fix issue where draft auto-save wasn't executed after some inactivity time
	- Add vCard import from multiple files at once (#1488015)
	- Roundcube Framework:
	Add possibility to replace IMAP driver with custom class
	Add IMAP auto-connection feature, improving performance with caching enabled
	Replace imap_init hook with storage_init (with additional 'driver' argument)
	Improved performance by caching IMAP server's capabilities in session
	Unified global functions naming (rcube_ prefix)
	Move global functions from main.inc and rcube_shared.inc into classes
	Better classes separation

	RELEASE 0.8.2
	-------------
	- Fix XSS vulnerability from HTTP User-Agent header (#1488737)
	- Force fonts in compose fields to be all the same (#1488690)
	- Fix handling vCard entries with TEL;TYPE=CELL (#1488728)
	- Fix error where session wasn't updated after folder rename/delete (#1488692)
	- Fix PLAIN authentication for some IMAP servers (#1488674)
	- Fix encoding vCard file when contains PHOTO;ENCODING=b (#1488683)
	- Fix focus issue in IE when selecting message row (#1488620)
	- Add full headers view in message preview window (#1488538)
	- Fix message display page issues - unified with message preview (#1488590, #1488642)
	- Fix displaying all headers when they contain malformed characters (#1488666)
	- Fix decoding of HTML messages with UTF-16 charset specified (#1488654)
	- Fix quota capability detection so it can be overwritten by a plugin (#1488655)
	- Fix identity selection on reply (#1488101)
	- Fix Larry's messages list filter in IE (#1488632)
	- Fix more IE issues by disabling Compat. mode with X-UA-Compatible meta tag (#1488626)
	- Fix setting locales under Solaris - use additional .UTF-8 suffix (#1488628)
	- Fix email address validation for addresses with IP address in domain part
	- Fix Larry skin issues in IE7 compat. mode (#1488618)
	- Fix so subscribed non-existing/non-accessible shared folder can be unsubscribed

	RELEASE 0.8.1
	-------------
	- Fix bug where domain name was converted to lower-case even with login_lc=false (#1488593)
	- Fix lower-casing email address on replies (#1488598)
	- Fix line separator in exported messages (#1488603)
	- Fix XSS issue where plain signatures wasn't secured in HTML mode (#1488613)
	- Fix XSS issue where href="javascript:" wasn't secured (#1488613)
	- Fix impossible to create message with empty plain text part (#1488610)
	- Fix stripped apostrophes when replying in plain text to HTML message (#1488606)
	- Fix inactive Save search option after advanced search (#1488607)
	- Fix Remove from group option is active for contact search result (#1488608)
	- Disable autocapitalization in login form on iPad/iPhone (#1488609)
	- Fix focus on the list when list row is clicked (#1488600)
	- Added separate From and To columns apart from smart From/To column (#1486891)
	- Fix fallback to Larry skin when configured skin isn't available (#1488591)
	- Fix (workaround) delete operations with some versions of memcache (#1488592)
	- Fix (disable) request validation for spell and spell_html actions

	RELEASE 0.8.0
	-------------
	- Don't show product version on login screen (can be enabled by config)
	- Renamed old default skin to 'classic'. Larry is the new default skin.
	- Support connections to memcached socket file (#1488577)
	- Enable TinyMCE inlinepopups plugin
	- Update to TinyMCE 3.5.6
	- Correctly escape localized labels in javascript variable (#1488567)
	- Update Net_SMTP/Auth_SASL packages to fix Digest-MD5/Cram-MD5 authentication (#1488571)
	- Don't add attachments content into reply/forward/draft message body (#1488557)
	- Fix 'no connection' errors on page unloads (#1488547)
	- Plugin API: Add 'unauthenticated' hook (#1488138)
	- Show explicit error message when provided hostname is invalid (#1488550)
	- Fix wrong compose screen elements focus in IE9 (#1488541)
	- Fix fatal error when date.timezone isn't set (#1488546)
	- Update to TinyMCE 3.5.4.1
	- Better icons with distinct shapes for priority columns (#1488377)
	- Show dedicated icon for multipart/report messages (#1488524)
	- Properly hide text of icon links/buttons (#1488534)
	- Fix handling of unitless CSS size values in HTML message (#1488535)
	- Fix removing contact photo using LDAP addressbook (#1488420)
	- Fix storing X-ANNIVERSARY date in vCard format (#1488527)
	- Update to Mail_Mime-1.8.5 (#1488521)
	- Fix XSS vulnerability in message subject handling using Larry skin (#1488519)
	- Fix handling of links with various URI schemes e.g. "skype:" (#1488106)
	- Fix handling of links inside PRE elements on html to text conversion
	- Fix indexing of links on html to text conversion
	- Decode header value in rcube_mime::get() by default (#1488511)
	- Fix errors with enabled PHP magic_quotes_sybase option (#1488506)
	- Fix SQL query for contacts listing on MS SQL Server (#1488505)
	- Fix window.resize handler on IE8 and Opera (#1488453)
	- Don't let error message popups cover the login form (#1488500)
	- Update to TinyMCE 3.5.2
	- Don't show errors when moving contacts into groups they are already in (#1488493)
	- Make folders with unread messages in subfolders bold again (#1486793)
	- Abbreviate long attachment file names with ellipsis (#1488499)
	- Fix html2text conversion of strong\|b\|a\|th\|h tags when used in upper case
	- Add listcontrols template container in Larry skin (#1488498)
	- Fix host autoselection when default_host is an array (#1488495)
	- Move messages forwarding mode setting into Preferences
	- Fix HTML entities handling in HTML editor (#1488483)
	- Fix listing shared folders on Courier IMAP (#1488466)

	RELEASE 0.8-rc
	--------------
	- Added new translations in Belarusian, Interlingua and Malayalam
	- Flipped compose options arrow (#1488474)
	- Fix handling of large uuencode attachments (#1488473)
	- Fix handling of "usemap" attribute (#1488472)
	- Fix handling of some HTML tags e.g. IMG (#1488471)
	- Use similar language as a fallback for plugin localization (#1488401)
	- Fix issue where signature wasn't re-added on draft compose (#1488322)
	- Update to TinyMCE 3.5 (#1488459)
	- Fixed multi-threaded autocompletion when number of threads > number of sources
	- Allow to configure the number of values allowed for each LDAP attribute
	- Support for serialized LDAP address values (usually delimited with a $)
	- Less restrictive session auth checks, repeat keep-alive requests on failure (#1488449)
	- Fix redirect to mail/compose on re-login (#1488226)
	- Add IE8 hack for messages list issue (#1487821)
	- Fix handling errors on draft auto-save
	- Fix importing vCard photo with ENCODING param specified (#1488432)
	- Support mutliple name/email pairs for Bcc and Reply-To identity settings (#1488445)
	- Set flexible width to login form fields (#1488418)
	- Fix re-draw bug on list columns change in IE8 (#1487822)
	- Allow mass-removal of addresses from a group (#1487748)
	- Fix removing all contacts on import to LDAP addressbook
	- Fix so "Back" from compose/show doesn't reset search request (#1488238)
	- Add option to delete messages instead of moving to Trash when in Junk folder (#1486686)
	- Fix invisible cursor when replying to a html message (#1487073)
	- Reset IP stored in session when destroying session data (#1488056)
	- Fix bug where memory_limit = -1 wasn't handled properly
	- Support LDAP RFC2256's country object class read/write (#1488123)
	- Upgraded to jQuery 1.7.2
	- Image resize with GD extension (#1488383)
	- Fix lack of warning when switching task in compose window (#1488399)
	- Fix bug where it wasn't possible to enter ( or & characters in autocomplete fields
	- Request all needed fields from address book backends (#1488394)
	- Unified (single) spellchecker button
	- Scroll long lists on drag&drop (#1485946)
	- Copy all skins in installto script (#1488376)

	RELEASE 0.8-beta
	----------------
	- Upgraded to jQuery 1.7.1 (#1488337) and jQuery UI 1.8.18
	- Add Russian to the spellchecker languages list (#1488135)
	- Remember custom skin selection after logout (#1488355)
	- Make sure About tab is always the last tab (#1488257)
	- Fix issue with folder creation under INBOX. namespace (#1488349)
	- Added mailto: protocol handler registration link in User Preferences (#1486580)
	- Handle identity details box with an iframe (#1487020)
	- Fix issue where some text from original message was missing on reply (#1488340)
	- Fix autoselect_host() for login (#1488297)
	- Changed license to GNU GPLv3+ with exceptions for skins & plugins
	- Added address book widget on compose screen
	- Use proper timezones from PHP's internal timezonedb (#1485592)
	- Add separate pagesize setting for mail messages and contacts (#1488269)
	- Deprecate $DB, $USER, $IMAP global variables, Use $RCMAIL instead
	- Add option to set default font for HTML message (#1484137)
	- Fix issues with big memory allocation of IMAP results
	- Prevent from memory_limit exceeding when trying to parse big messages bodies (#1487424)
	- Add possibility to add SASL mechanisms for SMTP in smtp_connect hook (#1487937)
	- Mark (with different color) folders with recent messages (#1486234)
	- Added About tab in Settings
	- TinyMCE updated to 3.4.6

	RELEASE 0.7.2
	-------------
	- Fix encoding of attachment with comma in name (#1488389)
	- Fix handling of % character in IMAP protocol (#1488382)
	- Fix duplicate names handling in addressbook searches (#1488375)
	- Fix displaying of HTML messages from Disqus (#1488372)
	- Disable E_STRICT warnings on PHP 5.4
	- Prevent from folder selection on virtual folder collapsing (#1488346)
	- Fix automatic unsubscribe of non-existent folders
	- Fix double-quotes handling in recipient names
	- User configurable setting how to display contact names in list
	- Make contacts list sorting configurable for the admin/user
	- Fix parse errors in DDL files for MS SQL Server
	- Revert SORT=DISPLAY support, removed by mistake (#1488327)
	- Add lost translation label in de_DE (#1488315)
	- Fix drafts update issues when edited from preview pane (#1488314)
	- Fix wrong variable name in rcube_ldap.php (#1488302)
	- Make mime type detection based on filename extension to be case-insensitive
	- Fix failure on MySQL database upgrade from 0.7 - text column can't have default value (#1488300)


	RELEASE 0.7.1
	-------------
	- Fix bug in handling of base href and inline content (#1488290)
	- Fix SQL Error when saving a contact with many email addresses (#1488286)
	- Fix strict email address searching if contact has more than one address
	- Remove duplicated 'organization' label (#1488287)
	- Fix so editor selector is hidden when 'htmleditor' is listed in 'dont_override'
	- Fix wrong (long) label usage (#1488283)
	- Fix handling of INBOX's subfolders in special folders config (#1488279)
	- Add ifModule statement for setting Options -Indexes in .htaccess file (#1488274)
	- Fix crashes with eAccelerator (#1488256)
	- Fix searching on IMAP servers without CHARSET specifier support (#1488271)
	- Fix expanding folders during drag&drop (#1488260)
	- Fix wrong postgres sequence name in upgrade from 0.6
	- Fix broken CREATE INDEX queries in SQLite DDL files (#1488255)

	RELEASE 0.7
	-----------
	- Make Roundcube render the Email Standards Project Acid Test correctly
	- Replace prompt() with jQuery UI dialog (#1485135)
	- Fix navigation in messages search results
	- Improved handling of some malformed values encoded with quoted-printable (#1488232)
	- Add possibility to do LDAP bind before searching for bind DN
	- Fix handling of empty <U> tags in HTML messages (#1488225)
	- Add content filter for embedded attachments to protect from XSS on IE (#1487895)
	- Use strpos() instead of strstr() when possible (#1488211)
	- Fix handling HTML entities when converting HTML to text (#1488212)
	- Fix fit_string_to_size() renders browser and ui unresponsive (#1488207)
	- Fix handling of invalid characters in request (#1488124)
	- Fix merging some configuration options in update.sh script (#1485864)
	- Fix so TEXT key will remove all HEADER keys in IMAP SEARCH (#1488208)
	- Fix handling contact photo url with https:// prefix (#1488202)
	- Fix possible infinite redirect on attachment preview (#1488199)
	- Improved clickjacking protection for browsers which don't support X-Frame-Options headers
	- Fixed bug where similar folder names were highlighted wrong (#1487860)
	- Fixed bug in handling link with '!' character in it (#1488195)
	- Fixed bug where session ID's length was limited to 40 characters (#1488196)
	- TinyMCE security issue: removed moxieplayer (embedding flv and mp4 is not supported anymore)

	RELEASE 0.7-beta
	----------------
	- Fix handling of HTML form elements in messages (#1485137)
	- Fix regression in setting recipient to self when replying to a Sent message (#1487074)
	- Fix listing of folders in hidden namespaces (#1486796)
	- Don't consider \Noselect flag when building folders tree (#1488004)
	- Fix sorting autocomplete results (#1488084)
	- Add option to set session name (#1486433)
	- Add option to skip alternative email addresses in autocompletion
	- Fix inconsistent behaviour of Compose button in Drafts folder, add Edit button for drafts
	- Fix problem with parsing HTML message body with non-unicode characters (#1487813)
	- Add option to define matching method for addressbook search (#1486564, #1487907)
	- Make email recipients separator configurable
	- Fix so folders with \Noinferiors attribute aren't listed in parent selector
	- Fix handling of curly brackets in URLs (#1488168)
	- Fix handling of dates (birthday/anniversary) in contact data (#1488147)
	- Fix error on opening searched LDAP contact (#1488144)
	- Fix redundant line break in flowed format (#1488146)
	- Fix IDN address validation issue (#1488137)
	- Fix JS error when dst_active checkbox doesn't exist (#1488133)
	- Autocomplete LDAP records when adding contacts from mail (#1488073)
	- Plugin API: added 'ready' hook (#1488063)
	- Ignore DSN request when it isn't supported by SMTP server (#1487800)
	- Make sure LDAP name fields aren't arrays (#1488108)
	- Fixed imap test to non-default port when using ssl (#1488118)
	- Force all files to be overwritten when updating (#1488117)
	- Fix issue where it wasn't possible to change list view mode in folder manager for INBOX (#1488107)
	- Fix namespace handling in special folders settings (#1488112)
	- Disable time limit for CLI scripts (#1488109)
	- Fix misleading display when chaning editor type (#1488104)
	- Add loading indicator on contact delete
	- Fix bug where after delete message rows can be added to the list of another folder (#1487752)
	- Add notice on autocompletion that not all records were displayed
	- Add option 'searchonly' for LDAP address books
	- Add Priority filter to the messages list
	- Cache synchronization using QRESYNC/CONDSTORE
	- Trigger 'new_messages' hook for all checked folders (#1488083)
	- Make date/time format user configurable; drop 'date_today' config option
	- Fix setting title for truncated subject in IE (#1487128)
	- Fix displaying multipart/alternative messages with only one part (#1487938)
	- Rewritten messages caching:
	Indexes are stored in a separate table, so there's no need to store all messages in a folder
	Added threads data caching
	Flags are stored separately, so flag change doesn't cause DELETE+INSERT, just UPDATE
	- Improved FETCH response handling
	- Improvements in response tokenization method
	- Use 'From' and 'To' labels instead of 'Sender' and 'Recipient'
	- Fix username case-insensitivity issue in MySQL (#1488021)
	- Addressbook Saved Searches
	- Added spellchecker exceptions dictionary (shared or per-user)
	- Added possibility to ignore words containing caps, numbers, symbols (spellcheck_ignore_* options)
	- Added 'priority' column on messages list (#1486782)
	- Localize forwarded message header (#1488058)

	RELEASE 0.6
	-----------
	- Fix bug where the last identity is used on reply (#1488101)
	- Fix locked folder rename option on servers supporting RFC2086 only (#1488089)
	- Fix session race conditions when composing new messages
	- Fix encoding of LDAP contacts identifiers (#1488079)
	- jQuery 1.6.4
	- Fix handling of binary attachments encoded with quoted-printable (#1488065)
	- Fix text-overflow:ellipsis issues on messages list in FF7 and Webkit (#1488061)
	- Fix handling of links with IP address
	- Fix compacting folder resets message list filter (#1488076)

	RELEASE 0.6-rc
	----------------
	- Send X-Frame-Options headers to protect from clickjacking (#1487037)
	- Fallback to mail_domain in LDAP variable replacements; added 'host' to 'user_create' hook arguments (#1488024)
	- Fixed wrong vCard type parameter mobile (#1488067)
	- Fixed vCard WORKFAX issue (#1488046)
	- Add vCard's Profile URL support (#1488062)
	- jQuery 1.6.3
	- Fix imap_cache setting to values other than 'db' (#1488060)
	- Fix handling of attachments inside message/rfc822 parts (#1488026)
	- Make list of mimetypes that open in preview window configurable (#1487625)
	- Added plugin hook 'message_part_get' for attachment downloads
	- Added unique connection identifier to IMAP debug messages
	- Fix image type check for contact photo uploads

	RELEASE 0.6-beta
	----------------
	- Fixed selecting identity on reply/forward (#1487981)
	- Add option to hide selected LDAP addressbook on the list
	- Add client-side checking of uploaded files size
	- Add newlines between organization, department, jobtitle (#1488028)
	- Recalculate date when replying to a message and localize the cite header (#1487675)
	- Fix handling of email addresses with quoted local part (#1487939)
	- Fix EOL character in vCard exports (#1487873)
	- Added optional "multithreading" autocomplete feature
	- Plugin API: Added 'config_get' hook
	- Fixed new_user_identity plugin to work with updated rcube_ldap class (#1487994)
	- Plugin API: added folder_delete and folder_rename hooks
	- Added possibility to undo last contact delete operation
	- Fix sorting of contact groups after group create (#1487747)
	- Add optional textual upload progress indicator (#1486039)
	- Fix parsing URLs containing commas (#1487970)
	- Added vertical splitter for books/groups list in addressbook (#1487923)
	- Improved namespace roots handling in folder manager
	- Added searching in all addressbook sources
	- Added addressbook source selection in contacts import
	- Implement LDAPv3 Virtual List View (VLV) for paged results listing
	- Use 'address_template' config option when adding a new address block (#1487944)
	- Added addressbook advanced search
	- Add popup with basic fields selection for addressbook search
	- Case-insensitive matching in autocompletion (#1487933)
	- Added option to force spellchecking before sending a message (#1485458)
	- Fix handling of "<" character in contact data, search fields and folder names (#1487864)
	- Fix saving "<" character in identity name and organization fields (#1487864)
	- Added option to specify to which address book add new contacts
	- Added plugin hook for keep-alive requests
	- Store user preferences in session when write-master is not available and session is stored in memcache, write them later
	- Improve performence of folder manager operations
	- Fix default_port option handling in Installer when config.inc.php file exists (#1487925)
	- Removed option focus_on_new_message, added newmail_notifier plugin
	- Added general rcube_cache class with Memcache and APC support
	- Improved caching performance by skipping writes of unchanged data
	- Option enable_caching replaced by imap_cache and messages_cache options
	- Fix WORKFAX saving in address book (#1487910)
	- Add forward-as-attachment feature
	- jQuery-1.6.2 (#1487913, #1487144)
	- Improve display name composition when saving contacts (#1487143)
	- Fix problems with subfolders of INBOX folder on some IMAP servers (#1487725)
	- Fix handling of folders that doesn't belong to any namespace (#1487637)
	- Enable multiselection for attachments uploading in capable browsers (#1485969)
	- Add possibility to change HTML editor configuration by skin
	- Fix a bug where selecting too many contacts would produce too large URI request (#1487892)
	- Improve performance by including files with absolute path (#1487849)
	- Move folder name truncation to client/skin (#1485412)
	- Added plugin hook for request token creation
	- Replace LDAP vars in group queries (#1487837)
	- Fix vcard folding with uncode characters (#1487868)
	- Keep all submitted data if contact form validation fails (#1487865)
	- Handle uncode strings in rcube_addressbook::normalize_string() (#1487866)
	- Fix handling of debug_level=4 in ajax requests (#1487831)
	- Enable TinyMCE's contextmenu (#1487014)
	- Allow multiple concurrent compose sessions
	- New config option for custom logo
	- Allow skins to define/override texts with <roundcube:label />
	- Add simple ACL rights/namespace handling in folder manager
	- Force IE to send referers (#1487806)
	- Better display of vcard import results (#1485457)
	- Improved vcard import
	- Interactive update script with improved DB schema check
	- Fix problem with contactgroupmembers table creation on MySQL 4.x, add index on contact_id column
	- Add LDAP SASL bind and proxy authentication (#1486692)
	- Replying to a sent message puts the old recipient as the new recipient (#1487074)
	- Fulltext search over (almost) all data for contacts
	- Extend address book with rich contact information

	RELEASE 0.5.4
	-------------
	- Fix XSS vulnerability in UI messages (#1488030)

	RELEASE 0.5.3
	-------------
	- Fix identities "reply-to" and "bcc" fields have a bogus value when left empty (#1487943)
	- Fix issue which cases IMAP disconnection when encrypt() method was used (#1487900)
	- Fix some CSS issues in Settings for Internet Explorer
	- Fixed handling of folder with name "0" in folder selector
	- Fix bug where messages were deleted instead moved to trash folder after Shift key was used (#1487902)
	- Fix relative URLs handling according to a <base> in HTML (#1487889)
	- Fix handling of top-level domains with more than 5 chars or unicode chars (#1487883)
	- Fix usage of non-standard HTTP error codes (#1487797)
	- Fix PHP warning on mistaken in_array() usage (#1487901)

	RELEASE 0.5.2
	-------------
	- TinyMCE 3.4.2 now compatible with IE9
	- PEAR::Net_SMTP 1.5.2, fixed timeout issue (#1487843)
	- Fix bug where template name without plugin prefix was used in render_page hook
	- Support 'abort' and 'result' response in 'preferences_save' hook, add error handling
	- Fix bug where some content would cause hang on html2text conversion (#1487863)
	- Improve space-stuffing handling in format=flowed messages (#1487861)
	- Fix bug where some dates would produce SQL error in MySQL (#1487856)
	- Added workaround for some IMAP server with broken STATUS response (#1487859)
	- Fix bug where default_charset was not used for text messages (#1487836)
	- Stateless request tokens. No keep-alive necessary on login page (#1487829)
	- Force names of unique constraints in PostgreSQL DDL
	- Add code for prevention from IMAP connection hangs when server closes socket unexpectedly
	- Remove redundant DELETE query (for old session deletion) on login
	- Get around unreliable rand() and mt_rand() in session ID generation (#1486281)
	- Fix some emails are not shown using Cyrus IMAP (#1487820)
	- Fix handling of mime-encoded words with non-integral number of octets in a word (#1487801)
	- Fix parsing links with non-printable characters inside (#1487805)
	- Fixed de_CH Localization bugs (#1487773)
	- Add variable for 'Today' label in date_today option (#1486120)
	- Fix dont_override setting does not override existing user preferences (#1487664)
	- Use only one from IMAP authentication methods to prevent login delays (1487784)
	- Support strftime format in date_today option
	- Fix SQL query in rcube_user::query() so it uses index on MySQL again
	- Removed redundant </form> tags from contact add/edit pages
	- Fix CSS error in contact details screen on IE7 (#1487775)

	RELEASE 0.5.1
	-------------
	- Fix handling of attachments with invalid content type (#1487767)
	- Add workaround for DBMail's bug http://www.dbmail.org/mantis/view.php?id=881 (#1487766)
	- Use IMAP's ID extension (RFC2971) to print more info into debug log
	- Security: add optional referer check to prevent CSRF in GET requests
	- Fix email_dns_check setting not used for identities/contacts (#1487740)
	- Fix ICANN example addresses doesn't validate (#1487742)
	- Security: protect login form submission from CSRF
	- Security: prevent from relaying malicious requests through modcss.inc
	- Fix handling of non-image attachments in multipart/related messages (#1487750)
	- Fix IDNA support when IDN/INTL modules are in use (#1487742)
	- Fix handling of invalid HTML comments in messages (#1487759)
	- Fix parsing FETCH response for very long headers (#1487753)
	- Fix add/remove columns in message list when message_sort_order isn't set (#1487751)
	- Check mime headers before attempt to parse them (#1487745)
	- Quote header values in show_additional_headers plugin (#1487744)
	- Fix settings UI on IE 6 (#1487724)
	- Remove double borders in folder listing (#1487713)
	- Separate full message headers UI element from headers table (#1487715)
	- Add part MIME ID to message_part_* hooks (#1487718)
	- Improve parsing of MS Outlook vCards (#1487716)
	- Updated PEAR::Net_Socket to 1.0.10
	- Updated PEAR::Net_IDNA2 to 0.1.1
	- Fix handling of comments inside an email address spec. (#1487673)
	- Show full mail subject as title when hovering a cut subject link (#1487128)
	- Fix randomly disappearing folders list in IE (#1487704)
	- Fix list column add/removal in IE (#1487703)
	- Fix login redirect issues (#1487686)
	- Require PHP 5.2.1 or greater
	- Fix %h/%z variables in username_domain option (#1487701)
	- Workaround for setting charset in case of malformed bodystructure response (#1487700)
	- Fix impossible to subscribe to protected folders (#1487656)
	- Fix setting timezone in Preferences (#1487705)

	RELEASE 0.5
	-----------
	- Fix double-login/session issue (#1487104)
	- Wrap HTML parts with <html><body> and add Doctype declaration (#1487098)
	- Make rcube_autoload silently skip unknown classes (#1487109)
	- Fix charset detection in vcards with encoded values (#1485542)
	- Better CSS cursors for splitters (#1486874)
	- Show the same message only once (#1487641)
	- Fix namespaces handling (#1487649)
	- Add handling of multifolder METADATA/ANNOTATION responses
	- Fix handling of INBOX when personal namespace prefix is non-empty (#1487657)
	- Fix handling square brackets in links (#1487672)
	- Add description of 'use_https' option in main.inc.php.dist file

	RELEASE 0.5-RC
	--------------
	- Plugin API: Add 'pass' argument in 'authenticate' hook (#1487134)
	- Fix attachments of type message/rfc822 are not listed on attachments list
	- Add 'login_lc' config option for case-insensitive authentication (#1487113)
	- Fix window is blur'ed in IE when selecting a message (#1487316)
	- Fix cursor position on compose form in Webkit browsers (#1486674)
	- Fix setting charset of attachment filenames (#1487122)
	- Allow setting autocomplete attribute for all inputs separately (#1487313)
	- New Folder Manager UI
	- Fix invalid Request when creating a folder (#1487443)
	- Add folder size and quota indicator in folder manager (#1485780)
	- Add possibility to move a subfolder into root folder (#1486791)
	- Fix copying all messages in a folder copies only messages from current page
	- Improve performance of moving or copying of all messages in a folder
	- Fix plaintext versions of HTML messages don't contain placeholders for emotions (#1485206)
	- Improve performance of folder rename and delete actions
	- Better support for READ-ONLY and NOPERM responses handling (#1487083)
	- Add confirmation message on purge/expunge command response
	- Fix handling of untagged responses for AUTHENTICATE command (#1487450)
	- Add username and IP address to log message on unsuccessful login (#1487626)
	- Improved Mail-Followup-To and Mail-Reply-To headers handling
	- Fix charset conversion for text attachments without charset specification (#1487634)

	RELEASE 0.5-BETA
	----------------
	- Make session data storage more robust against garbage session data (#1487136)
	- Config option for autocomplete on login screen
	- Allow plugin templates to include local files (#1487133)
	- List groups in address detail view and allow to subscribe/unsubscribe from there (#1486753)
	- Messages caching: performance improvements, fixed syncing, fixes related with #1486748
	- Add link to identities in compose window (#1486729)
	- Add Internationalized Domain Name (IDNA) support (#1483894)
	- Add option to automatically send read notifications for known senders (#1485883)
	- Add option to "Return receipt" will be always checked (#1486352)
	- Fix HTML to plain text conversion doesn't handle citation blocks (#1486921)
	- Use custom sorting when SORT is disabled by IMAP admin (#1486959)
	- Allow setting some washtml options from plugin (#1486578)
	- Add option do bind for an individual LDAP address book (#1486997)
	- Change reply prefix to display email address only if sender name doesn't exist (#1486550)
	- Plugin API: improved 'abort' flag handling, added 'result' item in some hooks (#1486914)
	- Fix mailto optional params in plain text messages aren't handled (#1487026)
	- Add Reply-to-List feature (#1484252)
	- Add Mail-Followup-To/Mail-Reply-To support (#1485547)
	- Fix confirmation message isn't displayed after sending mail on Chrome (#1486177)
	- Fix keyboard doesn't work with autocomplete list with Chrome (#1487029)
	- Improve tabs to fixed width and add tabs in identities info (#1486974)
	- Add unique index on users.username+users.mail_host
	- Make htmleditor option more consistent and add option to use HTML on reply to HTML message (#1485840)
	- Use empty envelope sender address for message disposition notifications (RFC 2298.3)
	- Support SMTP Delivery Status Notifications - RFC 3461 (#1486142)
	- Use css sprite image for messages list
	- Add (different) attachment icon for messages of type multipart/report (#1486165)
	- Prevent from inserting empty link when composing HTML message (#1486944)
	- Add caching support in id2uid and uid2id functions (#1487019)
	- Add SASL proxy authentication for SMTP (#1486693)
	- Improve displaying of UI messages (#1486977)
	- Fix double e-mail filed in identity form (#1487054)
	- Display IMAP errors for LIST/THREAD/SEARCH commands (#1486905)
	- Add LITERAL+ (IMAP4 non-synchronizing literals) support (RFC 2088)
	- Add separate column for message status icon (#1486665)
	- Add ACL extension support into IMAP classes (RFC 4314)
	- Add ANNOTATEMORE extension support into IMAP classes (draft-daboo-imap-annotatemore)
	- Add METADATA extension support into IMAP classes (RFC 5464)
	- Fix decoding of e-mail address strings in message headers (#1487068)
	- Fix handling of attachments when Content-Disposition is not inline nor attachment (#1487051)
	- Improve performance of unseen messages counting (#1487058)
	- Improve performance of messages counting using ESEARCH extension (RFC4731)
	- Add LIST-STATUS support in rcube_imap_generic class (RFC 5819)
	- Add SASL-IR support in IMAP (RFC 4959)
	- Add LOGINDISABLED support (RFC 2595)
	- Add support for AUTH=PLAIN in IMAP authentication
	- Re-implemented SMTP proxy authentication support
	- Add support for IMAP proxy authentication (#1486690)
	- Add support for AUTH=DIGEST-MD5 in IMAP (RFC 2831)
	- Fix parent folder with unread subfolder not bold when message is open (#1487078)
	- Add basic IMAP LIST's \Noselect option support
	- Add support for selection options from LIST-EXTENDED extension (RFC 5258)
	- Don't list subscribed but non-existent folders (#1486225)
	- Fix handling of URLs with tilde (~) or semicolon (;) character (#1487087, #1487088)
	- Plugin API: added 'contact_form' hook
	- Add SORT=DISPLAY support (RFC 5957)
	- Plugin API: add possibility to disable plugin in AJAX mode, 'noajax' property
	- Plugin API: add possibility to disable plugin in framed mode, 'noframe' property
	- Improve performance of setting IMAP flags using .SILENT suffix
	- Improve performance of message cache status checking with skip_disabled=true
	- Support contact's email addresses up to 255 characters long (#1487095)
	- Add option to place replies in the folder of the message being replied to (#1485945)
	- Add missing confirmation/error messages on contact/group/message actions (#1486845)
	- Add 'loading' message on message move/copy/delete/mark actions
	- Improve responsiveness of messages displaying (#1486986)
	- Add option for minimum length of autocomplete's string (#1486428)
	- Fix operations on messages in unsubscribed folder (#1487107)
	- Add support for shared folders (#1403507)
	- Fix handling of folders with name "0" (#1487119)
	- Fix handling of folders with "<>" characters in name
	- jQuery 1.4.4
	- Fix handling of HTML entity strings in plain text messages
	- Fix focused elements aren't unfocused when clicking on the list (#1487123)
	- Fix error in MSSQL DDL scripts (#1487112)
	- Lock submit button in onsubmit event on login page (#1487036)
	- Don't set attachment's charset in Content-type header (#1487122)
	- Fix handling of message bodies (quoted-printable encoded) with NULL characters (#1486189)
	- Add workaround for MSOE's multipart/related messages with non-related attachments

	RELEASE 0.4.2
	-------------
	- Fix handling of backslash as IMAP delimiter
	- Fix charset replacement in HTML message bodies (#1487021)
	- Fix: contact group input is empty when using rename action more than once on the same group record
	- Fix "Server Error! (Not Found)" when using utils/save-pref action (#1487023)
	- Fix handling of Thunderbird's vCards (#1487024)

	RELEASE 0.4.1
	-------------
	- Fix space-stuffing in format=flowed messages (#1487018)
	- Fix msgexport.sh now using the new imap wrapper
	- Avoid displaying password on shell (#1486947)
	- Only lower-case user name if first login attempt failed (#1486393)
	- Make alias setting in squirrelmail_usercopy plugin configurable (patch by pommi, #1487007)
	- Prevent from saving a non-existing skin path in user prefs (#1486936)
	- Improve handling of single-part messages with bogus BODYSTRUCTURE (#1486898)
	- Fix path to SQL files when using pgsql/mysqli/sqlsrv drivers (#1486902)
	- Fix upgrade script for SQLite (#1486903)
	- Fixes in SQL init script + added update script for MSSQL database
	- Remove redundant date in syslog messages (#1486945)
	- Fix contacts list page controls when a group is selected (#1486946)
	- Fix SMTP test in Installer (#1486952)
	- Fix "Select all" causes message to be opened in folder with exactly one message (#1486913)
	- Fix Tab key doesn't work in HTML editor in Google Chrome (#1486925)
	- Fix TinyMCE uses zh_CN when zh_TW locale is set (#1486929)
	- Fix TinyMCE buttons are hidden in Opera (#1486922)
	- Fix JS error on IE when trying to send HTML message with enabled spellchecker (#1486940)
	- Display inline images with known extensions and non-image content-type (#1486934)
	- Fix "Threaded" checkbox after subfolder creation (#1486928)
	- Fix timezone string in sent mail (#1486961)
	- Show disabled checkboxes for protected folders instead of dots (#1485498)
	- Added fieldsets in Identity form, added 'identity_form' hook
	- Re-added 'Close' button in upload form (#1486930, #1486823)
	- Fix handling of charsets with LATIN-* label
	- Fix messages background image handling in some cases (#1486990)
	- Fix format=flowed handling (#1486989)
	- Fix when IMAP connection fails in 'get' action session shouldn't be destroyed (#1486995)
	- Fix list_cols is not updated after column dragging (#1486999)
	- Support %z variable in host configuration options (#1487003)

	RELEASE 0.4
	-----------
	- Fix disapearing upload form disapears when user selects a file on Safari (#1486823)
	- Don't replace error messages with loading info (#1486300)
	- Fix JS errors on compose mode switch (#1486870)
	- Fix message structure parsing when it lacks optional fields (#1486881)
	- Include all recipients in sendmail log
	- Support HTTP_X_FORWARDED_PROTO header for HTTPS detecting (#1486866)
	- Fix default IMAP port configuration (#1486864)
	- Create Sent folder when starting to compose a new message (#1486802)
	- Fix handling of messages with Content-Type: application/* and no filename (#1484050)
	- Improved compose screen: resizable body and attachments list, vertical splitter, options menu
	- Fix RC forgets search results (#1483883)
	- TinyMCE 3.3.7
	- Improve parsing of styled empty tags in HTML messages (#1486812)
	- Add %dc variable support in base_dn/bind_dn config (#1486779)
	- Add button to hide/unhide the preview pane (#1484215)
	- Fix no-cache headers on https to prevent content caching by proxies (#1486798)
	- Fix attachment filenames broken with TNEF decoder using long filenames (#1486795)
	- Use user's timezone in Date header, not server's timezone (#1486119)
	- Add option to set separate footer for HTML messages (#1486660)
	- Add real SMTP error description to displayed error messages (#1485927)
	- Fix some IMAP errors handling when opening the message (#1485443)
	- Fix related parts aren't displayed when got mimetype other than image/* (#1486432)
	- Multiple identity and database support for squirrelmail_usercopy plugin (#1486517)
	- Support dynamic hostname (%d/%n) variables in configuration options (#1485438)
	- Add 'messages_list' hook (#1486266)
	- Add request* event triggers in http_post/http_request (#1486054)
	- Fix use RFC-compliant line-delimiter when saving messages on IMAP (#1486712)
	- Add 'imap_timeout' option (#1486760)
	- Fix forwarding of messages with winmail attachments
	- Fix handling of uuencoded attachments in message body (#1485839)
	- Added list_mailboxes hook in rcube_imap::list_unsubscribed() (#1486668)
	- Fix wrong message on file upload error (#1486725)
	- Add support for data URI scheme [RFC2397] (#1486740)
	- Added 'actionbefore', 'actionafter', 'responsebefore', 'responseafter' events
	- Fix double-addition of e-mail domain to content ID in HTML images
	- Read and send messages with format=flowed (#1484370), fixes word wrapping issues (#1486543)
	- Fix duplicated attachments when forwarding a message (#1486487)
	- Fix message/rfc822 attachments containing only attachments are not parsed properly (#1486743)
	- Fix %00 character in winmail.dat attachments names (#1486738)
	- Fix handling errors of folder deletion (#1486705)
	- Parse untagged CAPABILITY response for LOGIN command (#1486742)
	- Renamed all php-cli scripts to use .sh extension
	- Some files from /bin + spellchecking actions moved to the new 'utils' task
	- Added thread tree icons
	- Extend contact groups support (#1486682)
	- Fix check-recent action issues and performance (#1486526)
	- Fix messages order after checking for recent (#1484664)
	- Fix autocomplete shows entries without email (#1486452)
	- Fix listupdate event doesn't trigger on search response (#1486708)
	- Fix select_all_mode value after selecting a message (#1486720)
	- Set focus to editor on reply in HTML mode (#1486632)
	- Fix composing in HTML jumps cursor to body instead of recipients (#1486674)
	- Allow columns order change per user - drag&drop (#1485795)
	- Add References header in read receipt (#1486681)
	- Fix database constraint violation when opening a message (#1486696)
	- Add 'loading' message while login is in progress (#1486667)
	- Fix quota_zero_as_unlimited (#1486662)
	- Fix folder subscription checking (#1486684)
	- Fix INBOX appears (sometimes) twice in mailbox list (#1486672)
	- Fix listing of attachments of some types e.g. "x-epoc/x-sisx-app" (#1486653)
	- Fix DB Schema checking when some db_table_* options are not set (#1486654)

	RELEASE 0.4-beta
	----------------
	- Add sizelimit and timelimit variables in LDAP config (#1486544)
	- Hide IMAP host dropdown when single host is defined (#1486326)
	- Add images pre-loading on login page (#1451160)
	- Add HTTP_X_REAL_IP and HTTP_X_FORWARDED_FOR to successful logins log (#1486441)
	- Fix setting spellcheck languages with extended codes (#1486605)
	- Fix messages list scrolling in FF3.6 (#1486472)
	- Fix quicksearch input focus (#1486637)
	- Always set changed date when flagging a DB record as deleted + provide a cleanup script
	- Fix address book/group selection (#1486619)
	- Assign newly created contacts to the active group (#1486626)
	- Added option not to mark messages as read when viewed in preview pane (#1485012)
	- Allow plugins modify the Sent folder when composing (#1486548)
	- Added optional (max_recipients) support to restrict total number of recipients per message (#1484542)
	- Re-organize editor buttons, add blockquote and search buttons
	- Make possible to write inside or after a quoted html message (#1485476)
	- Fix bugs on unexpected IMAP connection close (#1486190, #1486270)
	- Iloha's imap.inc rewritten into rcube_imap_generic class
	- Added contact groups in address book (not finished yet)
	- Added PageUp/PageDown/Home/End keys support on lists (#1486430)
	- Added possibility to select all messages in a folder (#1484756)
	- Added 'imap_force_caps' option for after-login CAPABILITY checking (#1485750)
	- Password: Support dovecotpw encryption
	- TinyMCE 3.3.1
	- Implemented messages copying using drag&drop + SHIFT (#1484086)
	- Improved performance of folders operations (#1486525)
	- Fix blocked.gif attachment is not attached to the message (#1486516)
	- Managesieve: import from Horde-INGO
	- Managesieve: support for more than one match (#1486078)
	- Managesieve: support for selectively disabling rules within a single sieve script (#1485882)
	- Threaded message listing now available
	- Added sorting by ARRIVAL and CC
	- Message list columns configurable by the user
	- Removed 'index_sort' option, now we're using empty 'message_sort_col' for this
	- virtuser_query: support other identity data (#1486148)
	- Options virtuser_* replaced with virtuser_* plugins
	- Plugin API: Implemented 'email2user' and 'user2email' hooks
	- Fix forwarding message omits CC header (#1486305)
	- Add 'default_charset' option to user preferences (#1485451)
	- Add 'delete_always' option to user preferences
	- Support/Require tls:// prefix in 'smtp_server' option for TLS connections
	- Fix inconsistent behaviour of 'delete_always' option (#1486299)
	- Fix deleting all messages from last list page (#1486293)
	- Flag original messages when sending a draft (#1486203)
	- Changed signature separator when top-posting (#1486330)
	- Let the admin define defaults for search modifiers (#1485897)
	- Fix long e-mail addresses validation (#1486453)
	- Remember search modifiers in user prefs (#1486146)
	- Added force_7bit option to force MIME encoding of plain/text messages (#1486510)
	- Use case sensitive check when checking for default folders (#1486346)
	- Fix checking for new mail: now checks unseen count of inbox (#1485794)
	- Improve performance by avoiding unnecessary updates to the session table (#1486325)
	- Fix invalid <font> tags which cause HTML message rendering problems (#1486521)
	- Fix CVE-2010-0464: Disable DNS prefetching (#1486449)
	- Fix Received headers to behave better with SpamAssassin (#1486513)
	- Password: Make passwords encoding consistent with core, add 'password_charset' global option (#1486473)
	- Fix adding contacts SQL error on mysql (#1486459)
	- Squirrelmail_usercopy: support reply-to field (#1486506)
	- Fix IE spellcheck suggestion popup issue (#1486471)
	- Fix email address auto-completion shows regexp pattern (#1486258)
	- Fix merging of configuration parameters: user prefs always survive (#1486368)
	- Fix quota indicator value after folder purge/expunge (#1486488)
	- Fix external mailto links support for use as protocol handler (#1486037)
	- Fix attachment excessive memory use, support messages of any size (#1484660)
	- Fix setting task name according to auth state
	- Password: fix vpopmaild driver (#1486478)
	- Add workaround for MySQL bug [http://bugs.mysql.com/bug.php?id=46293] (#1486474)
	- Fix quoted text wrapping when replying to an HTML email in plain text (#1484141)
	- Fix handling of extended mailto links (with params) (#1486354)
	- Fix sorting by date of messages without date header on servers without SORT (#1486286)
	- Fix inconsistency when not using default table names (#1486467)
	- Fix folder rename/delete buttons do not appear on creation of first folder (#1486468)
	- Fix character set conversion fails on systems where iconv doesn't accept //IGNORE (#1486375)
	- Log in performance: Create default folders on first login only
	- Import contacts into the selected address book (by Phil Weir)
	- Add support for MDB2's 'sqlsrv' driver (#1486395)
	- Use jQuery-1.4
	- Removed problematic browser-caching of messages
	- Fix incompatybility with suhosin.executor.disable_emodifier (#1486321)
	- Use PLAIN auth when CRAM fails and imap_auth_type='check' (#1486371)
	- Fix removal of <title> tag from HTML messages (#1486432)
	- Fix 'force_https' to specified port when URL contains a port number (#1486411)
	- Fix to-text converting of HTML entities inside b/strong/th/hX tags (#1486422)
	- Bug in spellchecker suggestions when server charset != UTF8 (#1486406)
	- Managesieve: Fix requires generation for multiple actions (#1486397)
	- Fix LDAP problem with special characters in RDN (#1486320)
	- Improved handling of message parts of type message/rfc822
	- Plugin API: added 'quota' hook
	- Fix parsing conditional comments in HTML messages (#1486350)
	- Use built-in json_encode() for proper JSON format in AJAX replies
	- Allow setting only selected params in 'message_compose' hook (#1486312)
	- Plugin API: added 'message_compose_body' hook (#1486285)
	- Fix counters of all folders are checked in 'getunread' action with check_all_folders disabled (#1486128)
	- Fix displaying alternative parts in messages of type message/rfc822 (#1486246)
	- Fix possible messages exposure when using Roundcube behind a proxy (#1486281)
	- Fix unicode para and line separators in javascript response (#1486310)
	- Additional_message_headers: allow unsetting headers, support plugin's config file (#1486268)
	- Fix displaying of hidden directories in skins list (#1486301)
	- Fix open_basedir restriction error when reading skins list (#1486304)
	- Fix pasting from Office apps into html editor (#1486271)
	- Fix empty <a> tags parsing (#1486272)
	- Don't cut off attachment names when using non-RFC2231 encoding (#1485515)
	- Allow inserting signatures above replied message body (#1484272)
	- Managesieve 2.0: multi-script support
	- Fix imap_auth_type regression (#1486263)

	RELEASE 0.3.1
	------------------
	- Specify toolbar container in compose template (#1486247)
	- Fix $_SERVER['HTTPS'] check for SSL forcing on IIS (#1486243)
	- Avoid unnecessary page loads for selected tab (#1486032)
	- Fix quota indicator issues by content generation on client-size (#1486197, #1486220)
	- Don't display disabled sections in Settings (#1486099)
	- Added server-side e-mail address validation with 'email_dns_check' option (#1485857)
	- Fix login page loading into an iframe when session expires (#1485952)
	- Allow setting port number in 'force_https' option (#1486091)
	- Option 'force_https' replaced by 'force_https' plugin
	- Fix IE issue with non-UTF-8 characters in AJAX response (#1486159)
	- Partially fixed "empty body" issue by showing raw body of malformed message (#1486166)
	- Fix importing/sending to email address with whitespace (#1486214)
	- Added XIMSS (CommuniGate) driver for Password plugin
	- Fix newly attached files are not saved in drafts w/o editing any text (#1486202)
	- Added attachment upload indicator with parallel upload (#1486058)
	- Use default_charset for bodies of messages without charset definition (#1486187)
	- Password: added cPanel driver
	- Fix return to first page from e-mail screen (#1486105)
	- Fix handling HTML comments in HTML messages (#1486189)
	- Fix folder/messagelist controls alignment - icons used (#1486072)
	- Fix LDAP addressbook shows 'Contact not found' error sometimes (#1486178)
	- Fix cache status checking + improve cache operations performance (#1486104)
	- Prevent from setting INBOX as any of special folders (#1486114)
	- Fix regular expression for e-mail address (#1486152)
	- Fix Received header format
	- Implemented sorting by message index - added 'index_sort' option (#1485936)
	- Fix dl() use in installer (#1486150)
	- Added 'ldap_debug' option
	- Fix "Empty startup greeting" bug (#1486085)
	- Fix setting user name in 'new_user_identity' plugin (#1486137)
	- Fix incorrect count of new messages in folder list when using multiple IMAP clients (#1485995)
	- Fix all folders checking for new messages with disabled caching (#1486128)
	- Support skins in 'archive' and 'markasjunk' plugins
	- Added 'html_editor' hook (#1486068)
	- Fix DB constraint violation when populating messages cache (#1486052)
	- Password: added password strength options (#1486062)
	- Fix LDAP partial result warning (#1485536)
	- Fix delete in message view deletes permanently with flag_for_deletion=true (#1486101)
	- Use faster/secure mt_rand() (#1486094)
	- Fix roundcube hangs on empty inbox with bincimapd (#1486093)
	- Fix wrong headers for IE on servers without $_SERVER['HTTPS'] (#1485926)
	- Force IE style headers for attachments in non-HTTPS session, 'use_https' option (#1485655)
	- Check 'post_max_size' for upload max filesize (#1486089)
	- Password Plugin: Fix %d inserts username instead of domain (#1486088)
	- Fix rcube_mdb2::affected_rows() (#1486082)

	RELEASE 0.3-stable
	------------------
	- Fix gn and givenName should be synonymous in LDAP addressbook (#1485892)
	- Add mail_domain to LDAP email entries without @ sign (#1485201)
	- Fix saving empty values in LDAP contact data (#1485781)
	- Fix LDAP contact update when RDN field is changed (#1485788)
	- Fix LDAP attributes case senitivity problems (#1485830)
	- Fix LDAP addressbook browsing when only one directory is used (#1486022)
	- Fix endless loop on error response for APPEND command (#1486060)
	- Don't require date.timezone setting in installer (#1485989)
	- Fix date sorting problem with Courier IMAP server (#1486065)
	- Unselect pressed buttons on mouse up (#1485987)
	- Don't set php_value error_log in .htaccess but mention in INSTALL (#1485924)
	- Fix too small status/flag/attachment columns in Safari 4 (#1486063)
	- Fix selection disabling while dragging splitter in webkit browsers (#1486056)
	- Added 'new_messages' plugin hook (#1486005)
	- Added 'logout_after' plugin hook (#1486042)
	- Added 'message_compose' hook
	- Added 'imap_connect' hook (#1485956)
	- Fix vcard_attachments plugin (#1486035)
	- Updated PEAR::Auth_SASL to 1.0.3 version
	- Use sequence names only with PostgreSQL (#1486018)
	- Re-designed User Preferences interface
	- Fix MS SQL DDL (#1486020)
	- Fix rcube_mdb2.php: call to setCharset not implemented in mssql driver (#1486019)
	- Added 'display_next' option
	- Fix rcube_mdb2::unixtimestamp for MS SQL (#1486015)
	- Fix HTML washing to respect character encoding
	- Fix endless loop in iil_C_Login() with Courier IMAP (#1486010)
	- Fix #messagemenu display on IE (#1486006)
	- Speedup UI by using sprites for (toolbar) buttons
	- Fix charset names with X- prefix handling
	- Fix displaying of HTML messages with unknown/malformed tags (#1486003)

	RELEASE 0.3-RC1
	---------------
	- Fix import of vCard entries with params (#1485453)
	- Fix HTML messages output with empty block elements (#1485974)
	- Use request tokens to protect POST requests from CSRF
	- Added hook when killing a session
	- Added hook to write_log function (#1485971)
	- Performance improvements by use UID commands (#1485690)
	- Fix HTML editor tabIndex setting (#1485972)
	- Added 'imap_debug' and 'smtp_debug' options
	- Support strftime's format modifiers in date_* options (#1484806)
	- Support %h variable in 'smtp_server' option (#1485766)
	- Show SMTP errors in browser (#1485927)
	- Allow WBR tag in HTML message (#1485960)
	- Use spl_autoload_register() instead of __autoload (#1485947)
	- Add hook for identities listing (#1485958)
	- Trigger hook 'smtp_connect' when opening an SMTP connection (#1485954)
	- Added config option to enforce HTTPS connections
	- Fix non-unicode characters caching in unicode database (#1484608)
	- Performance improvements of messages caching
	- Fix empty Date header issue (#1485923)
	- Open collapsed folders during drag & drop (#1485914)
	- Fixed link text replacements (#1485789)
	- Also trigger 'insertrow' events on page load (#1485826)
	- No link on subject in IE browsers (#1484913)
	- Fixed filename encoding according to RFC2231 (#1485875)
	- Added message Edit feature (#1483891, #1484440)
	- Fix message Etag generation for counter issues (#1485623)
	- Fix messages searching on MailEnable IMAP (#1485762)
	- Fixed many 'skip_deleted' issues (#1485634)
	- Fixed messages list sorting on servers without SORT capability
	- Colorized signatures in plain text messages
	- Reviewed/fixed skip_deleted/read_when_deleted/flag_for_deletion options handling in UI
	- Fix displaying of big maximum upload filesize (#1485889)
	- Added possibility to invert messages selection
	- After move/delete from 'show' action display next message instead of messages list (#1485887)
	- Fixed problem with double quote at the end of folder name (#1485884)
	- Speedup UI by using CSS sprites and etags/expires/deflate in Apache config (#1484858,#1485800)
	- Support UID EXPUNGE: remove only moved/deleted messages
	- Add drag cancelling with ESC key (#1484344)
	- Support initial identity name from virtuser_query (#1484003)
	- Added message menu, removed Print and Source buttons
	- Added possibility to save message as .eml file (#1485861)
	- Added 1 minute interval in autosave options (#1485854)
	- Support UTF-7 encoding in messages (#1485832)
	- Better support for malformed character names (#1485758)

	RELEASE 0.3-BETA
	----------------
	- Plugin API + jQuery engine
	- Added possibility to encrypt received header, option 'http_received_header_encrypt',
	added some more logic in encrypt/decrypt functions for security
	- Fix Answered/Forwarded flag setting for messages in subfolders
	- Fix autocomplete problem with capital letters (#1485792)
	- Support UUencode content encoding (#1485839)
	- Minimize chance of race condition in session handling (#1485659, #1484678)
	- Fix session handling on non-session SQL query error (#1485734)
	- Fix html editor mode setting when reopening draft message (#1485834)
	- Added quick search box menu (#1484304)
	- Fix wrong column sort order icons (#1485823)
	- Updated TinyMCE to 3.2.3 version
	- Fix attachment names encoding when charset isn't specified in attachment part (#1484969)
	- Fix message normal priority problem (#1485820)
	- Fix autocomplete spinning wheel does not disappear (#1485804)
	- Added log_date_format option (#1485709)
	- Fix text wrapping in HTML editor after switching from plain text to HTML (#1485521)
	- Fix auto-complete function hangs with plus sign (#1485815)
	- Fix AJAX requests errors handler (#1485000)
	- Speed up message list displaying on IE
	- Fix read/write database recognition (#1485811)

	RELEASE 0.2.2
	-------------
	- Fix quicksearchbox look in Chrome and Konqueror (#1484841)
	- Fix UTF-8 byte-order mark removing (#1485514)
	- Fix folders subscribtions on Konqueror (#1484841)
	- Fix debug console on Konqueror and Safari
	- Fix messagelist focus issue when modifying status of selected messages (#1485807)
	- Support STARTTLS in IMAP connection (#1485284)
	- Fix DEL key problem in search boxes (#1485528)
	- Support several e-mail addresses per user from virtuser_file (#1485678)
	- Fix drag&drop with scrolling on IE (#1485786)
	- Fix adding signature separator in html mode (#1485350)
	- Fix opening attachment marks message as read (#1485803)
	- Fix 'temp_dir' does not support relative path under Windows (#1484529)
	- Fix "Initialize Database" button missing from installer (#1485802)
	- Fix compose window doesn't fit 1024x768 window (#1485396)
	- Fix service not available error when pressing back from compose dialog (#1485552)
	- Fix using mail() on Windows (#1485779)
	- Fix word wrapping in message-part's <PRE>s for printing (#1485787)
	- Fix incorrect word wrapping in outgoing plaintext multibyte messages (#1485714)
	- Fix double footer in HTML message with embedded images
	- Fix TNEF implementation bug (#1485773)
	- Fix incorrect row id parsing for LDAP contacts list (#1485784)
	- Fix 'mode' parameter in sqlite DSN (#1485772)

	RELEASE 0.2.1
	------------------
	- Use US-ASCII as failover when Unicode searching fails (#1485762)
	- Fix errors handling in IMAP command continuations (#1485762)
	- Fix FETCH result parsing for servers returning flags at the end of result (#1485763)
	- Fix datetime columns defaults in mysql's DDL (#1485641)
	- Fix attaching more than nine inline images (#1485759)
	- Support 'UNICODE-1-1-UTF-7' alias for UTF-7 encoding (#1485758)
	- Fix mime-type detection using a hard-coded map (#1485311)
	- Don't return empty string if charset conversion failed (#1485757)
	- Disable concurrent autocomplete query results display (#1485743)
	- Fix new lines stripped from message footer (#1485751)
	- Fix IE problem with mouse click autocomplete (#1485739)
	- Fix html body washing on reply/forward + fix attachments handling (#1485676)
	- Fix multiple recipients input parsing (#1485733)
	- Fix replying to message with html attachment (#1485676)
	- Use default_charset for messages without specified charset (#1485661, #1484961)
	- Support non-standard "GMT-XXXX" literal in date header (#1485729)
	- Added TNEF support to decode MS Outlook attachments (winmail.dat)
	- Fix "value continuation" MIME headers by adding required semicolon (#1485727)
	- Fix pressing select all/unread multiple times (#1485723)
	- Fix selecting all unread does not honor new messages (#1485724)
	- Fix some base64 encoded attachments handling (#1485725)
	- Support NGINX as IMAP backend: better BAD response handling (#1485720)
	- Performance fix: don't fetch attachment parts headers twice to parse filename
	- Fix checking for recent messages on various IMAP servers (#1485702)
	- Performance fix: Don't fetch quota and recent messages in "message view" mode
	- Fix displaying of alternative-inside-alternative messages (#1485713)
	- Fix MDNSent flag checking, use arbitrary keywords (asterisk) flag (#1485706)
	- Fix creation of folders with '&' sign in name
	- Fix parsing of email addresses without angle brackets (#1485693)
	- Save spellcheck corrections when switching from plain to html editor (and spellchecking is on)
	- Fix large search results on server without SORT capability (#1485668)
	- Get rid of preg_replace() with eval modifier and create_function usage (#1485686)
	- Bring back <base> and <link> tags in HTML messages
	- Fix XSS vulnerability through background attributes as reported by Julien Cayssol
	- Fix problems with backslash as IMAP hierarchy delimiter (#1484467)
	- Secure vcard export by getting rid of preg's 'e' modifier use (#1485689)
	- Fix authentication when submitting form with existing session (#1485679)
	- Allow absolute URLs to images in HTML messages/sigs (#1485666)
	- Fix message body which contains both inline attachments and emotions
	- Fix SQL query execution errors handling in rcube_mdb2 class (#1485509)
	- Fix address names with '@' sign handling (#1485654)
	- Improve messages display performance
	- Fix messages searching with 'to:' modifier

	RELEASE 0.2-STABLE
	------------------
	- Fix mark popup in IE 7 (#1485369)
	- Fix line-break issue when copy & paste in Firefox (#1485425)
	- Fix autocomplete "unknown server error" (#1485637)
	- Fix STARTTLS before AUTH in SMTP connection (#1484883)
	- Support multiple quota values in QUOTAROOT resonse (#1485626)
	- Only abbreviate file name for IE < 7 browsers (#1485063)
	- Performance: allow setting imap rootdir and delimiter before connect (#1485172)
	- Fix sorting of folders with more than 2 levels (#1485569)
	- Fix search results page jumps in LDAP addressbook (#1485253)
	- Fix empty line before the signature in IE (#1485351)
	- Fix horizontal scrollbar in preview pane on IE (#1484633)
	- Add Robots meta tag in login page and installer (#1484846)
	- Added 'show_images' option, removed 'addrbook_show_images' (#1485597)
	- Option to check for new mails in all folders (#1484374)
	- Don't set client busy when checking for new messages (#1485276)
	- Allow UTF-8 folder names in config (#1485579)
	- Add junk_mbox option configuration in installer (#1485579)
	- Do serverside addressbook queries for autocompletion (#1485531)
	- Allow setting attachment col position in 'list_cols' option
	- Allow override 'list_cols' via skin (#1485577)
	- Fix 'cache' table cleanup on session destroy (#1485516)
	- Increase speed of session destroy and garbage clean up
	- Fix session timeout when DB server got clock skew (#1485490)
	- Fix handling of some malformed messages (#1484438)
	- Speed up raw message body handling
	- Better HTML entities conversion in html2text (#1485519)
	- Fix big memory consumption and speed up searching on servers without SORT capability
	- Fix setting locale to tr_TR, ku and az_AZ (#1485470)
	- Use SORT for searching on servers with SORT capability
	- Added message status filter
	- Fix empty file sending (#1485389)
	- Improved searching with many criterias (calling one SEARCH command)
	- Fix HTML editor initialization on IE (#1485304)
	- Add warning when switching editor mode from html to plain (#1485488)
	- Make identities list scrollable (#1485538)
	- Fix problem with numeric folder names (#1485527)
	- Added BYE response simple support to prevent from endless loops in imap.inc (#1483956)
	- Fix unread message unintentionally marked as read if read_when_deleted=true (#1485409)
	- Remove port number from SERVER_NAME in smtp_helo_host (#1485518)
	- Don't send disposition notification receipts for messages marked as 'read' (#1485523)
	- Added 'keep_alive' and 'min_keep_alive' options (#1485360)
	- Added option 'identities_level', removed 'multiple_identities'
	- Allow deleting identities when multiple_identities=false (#1485435)
	- Added option focus_on_new_message (#1485374)
	- Fix html2text class autoloading on Windows (#1485505)
	- Fix html signature formatting when identity save error occured (#1485426)
	- Add feedback and set busy when moving folder (#1485497)
	- Fix 'Empty' link visibility for some languages e.g. Slovak (#1485489)
	- Fix messages count bar overlapping (#1485270)
	- Fix adding signature in drafts compose mode (#1485484)
	- Fix iil_C_Sort() to support very long and/or divided responses (#1485283)
	- Fix matching case sensitivity when setting identity on reply (#1485480)
	- Prefer default identity on reply
	- Fix imap searching on ISMail server (#1485466)
	- Add css class for flagged messages (#1485464)
	- Write username instead of id in sendmail log (#1485477)
	- Fix htmlspecialchars() use for PHP version < 5.2.3 (#1485475)
	- Fix js keywords escaping in json_serialize() for IE/Opera (#1485472)
	- Added bin/killcache.php script (#1485434)
	- Add support for SJIS, GB2312, BIG5 in rc_detect_encoding()
	- Fix vCard file encoding detection for non-UTF-8 strings (#1485410)
	- Add 'skip_deleted' option in User Preferences (#1485445)
	- Minimize "inline" javascript scripts use (#1485433)
	- Fix css class setting for folders with names matching defined classes names (#1485355)
	- Fix race conditions when changing mailbox
	- Fix spellchecking when switching to html editor (#1485362)
	- Fix compose window width/height (#1485396)
	- Allow calling msgimport.sh/msgexport.sh from any directory (#1485431)
	- Localized filesize units (#1485340)
	- Better handling of "no identity" and "no email in identity" situations (#1485117)
	- Added 'mime_param_folding' option with possibility to choose long/non-ascii attachment names encoding eg. to be readable in MS Outlook/OE (#1485320)
	- Added "advanced options" feature in User Preferences
	- Fix unread counter when displaying cached massage in preview panel (#1485290)
	- Fix htmleditor spellchecking on MS Windows (#1485397)
	- Fix problem with non-ascii attachment names in Mail_mime (#1485267, #1485096)
	- Fix language autodetection (#1485401)
	- Fix button label in folders management (#1485405)
	- Fix collapsed folder not indicating unread msgs count of all subfolders (#1485403)
	- Fix handling of apostrophes in filenames decoded according to rfc2231

	RELEASE 0.2-BETA
	----------------
	- Made config files location configurable (#1485215)
	- Reduced memory footprint when forwarding attachments (#1485345)
	- Allow and use spellcheck attribute for input/textarea fields (#1485060)
	- Added icons for forwarded/forwarded+replied messages (#1485257)
	- Added Reply-To to forwarded emails (#1485315)
	- Display progress message for folders create/delete/rename (#1485357)
	- Smart Tags and NOBR tag support in html messages (#1485363, #1485327)
	- Redesign of the identities settings (#1484042)
	- Add config option to disable creation/deletion of identities (#1484498)
	- Added 'sendmail_delay' option to restrict messages sending interval (#1484491)
	- Added vertical splitter for folders list resizing
	- Added possibility to view all headers in message view
	- Fixed splitter drag/resize on Opera (#1485170)
	- Fixed quota img height/width setting from template (#1484857)
	- Refactor drag & drop functionality. Don't rely on browser events anymore (#1484453)
	- Insert "virtual" folders in subscription list (#1484779)
	- Added link to open message in new window
	- Enable export of address book contacts as vCard
	- Add feature to import contacts from vcard files (#1326103)
	- Respect Content-Location headers in multipart/related messages according to RFC2110 (#1484946)
	- Allowed max. attachment size now indicated in compose screen (#1485030)
	- Also capture backspace key in list mode (#1484566)
	- Allow application/pgp parts to be displayed (#1484753)
	- Correctly handle options in mailto-links (#1485228)
	- Immediately save sort_col/sort_order in user prefs (#1485265)
	- Truncate very long (above 50 characters) attachment filenames when displaying
	- Allow to auto-detect client language if none set (#1484434)
	- Auto-detect the client timezone (user configurable)
	- Add RFC2231 header value continuations support for attachment filenames + hack for servers that not support that feature
	- Fix Reply-To header displaying (#1485314)
	- Mark form buttons that provide the most obvious operation (mainaction)
	- Added option 'quota_zero_as_unlimited' (#1484604)
	- Added PRE handling in html2text class (#1484740)
	- Added folder hierarchy collapsing
	- Added options to use syslog instead of log file (#1484850)
	- Added Logging & Debugging section in Installer
	- Fix In-Reply-To and References headers when composing saved draft message (#1485288)
	- Fix html message charset conversion for charsets with underline (#1485287)
	- Fix buttons status after contacts deletion (#1485233)
	- Fix escaping of To: and From: fields when building message body for reply or forward in the HTML editor (#1484904)
	- Use current mailbox name in template (#1485256)
	- Better fix for skipping untagged responses (#1485261)
	- Added pspell support patch by Kris Steinhoff (#1483960)
	- Enable spellchecker for HTML editor (#1485114)
	- Respect spellcheck_uri in tinyMCE spellchecker (#1484196)
	- Case insensitive contacts searching using PostgreSQL (#1485259)
	- Make default imap folders configurable for each user (#1485075)
	- Save outgoing mail to selectable folder (#1324581)
	- Fix hiding of mark menu when clicking th button again (#1484944)
	- Use long date format in print mode (#1485191)
	- Updated TinyMCE to version 3.1.0.1
	- Re-enable autocomplete attribute for login form (#1485211)
	- Check PERMANENTFLAGS before saving $MDNSent flag (#1484963, #1485163)
	- Added flag column on messages list (#1484623)
	- Patched Mail/MimePart.php (http://pear.php.net/bugs/bug.php?id=14232)
	- Allow trash/junk subfolders to be purged (#1485085)
	- Store compose parameters in session and redirect to a unique URL
	- Fixed CRAM-MD5 authentication (#1484819)
	- Fixed forwarding messages with one HTML attachment (#1484442)
	- Fixed encoding of message/rfc822 attachments and image/pjpeg handling (#1484914)
	- Added option to select skin in user preferences
	- Added option to configure displaying of attached images below the message body
	- Added option to display images in messages from known senders (#1484601)
	- User preferences grouped in more fieldsets
	- Fix corrupted MIME headers of messages in Sent folder (#1485111)
	- Fixed bug in MDB2 package: http://pear.php.net/bugs/bug.php?id=14124
	- Use keypress instead of keydown to select list's row (#1484816)
	- Don't call expunge and don't remove message row after message move if flag_for_deletion is set to true (#1485002)

	RELEASE 0.2-ALPHA
	-----------------
	- Added option to disable autocompletion from selected LDAP address books (#1484922)
	- TLS support in LDAP connections: 'use_tls' property (#1485104)
	- Fixed removing messages from search set after deleting them (#1485106)
	- imap.inc: Fixed iil_C_FetchStructureString() to handle many
	literal strings in response (#1484969)
	- Support for subfolders in default/protected folders (#1484665)
	- Disallowed delimiter in folder name (#1484803)
	- Support " and \ in folder names
	- Escape \ in login (#1484614)
	- Better HTML sanitization with the DOM-based washtml script (#1484701)
	- Fixed sorting of folders with non-ascii characters
	- Fixed Mysql DDL for default identities creation (#1485070)
	- In Preferences added possibility to configure 'read_when_deleted',
	'mdn_requests', 'flag_for_deletion' options
	- Made IMAP auth type configurable (#1483825)
	- Fixed empty values with FROM_UNIXTIME() in rcube_mdb2 (#1485055)
	- Fixed attachment list on IE 6/7 (#1484807)
	- Fixed JavaScript in compose.html that shows cc/bcc fields if populated
	- Make password input fields of type password in installer (#1484886)
	- Don't attempt to delete cache entries if enable_caching is FALSE (#1485051)
	- Optimized messages sorting on servers without sort capability (#1485049)
	- Corrected message headers decoding when charset isn't specified and improved
	support for native languages (#1485050, #1485048)
	- Expanded LDAP configuration options to support LDAP server writes.
	- Installer: encode special characters in DB username/password (#1485042)
	- Fixed management of folders with national characters in names (#1485036, #1485001)
	- Fixed identities saving when using MDB2 pgsql driver (#1485032)
	- Fixed BCC header reset (#1484997)
	- Improved messages list performance - patch from Justin Heesemann
	- Append skin_path to images location only when it starts with '/' sign (#1484859)
	- Fix IMAP response in message body when message has no body (#1484964)
	- Fixed non-RFC dates formatting (#1484901)
	- Fixed typo in set_charset() (#1484991)
	- Decode entities when inserting HTML signature to plain text message (#1484990)
	- HTML editing is now working with PHP5 updates and TinyMCE v3.0.6
	- Fixed signature loading on Windows (#1484545)
	- Added language support to HTML editing (#1484862)
	- Fixed remove signature when replying (#1333167)
	- Fixed problem with line with a space at the end (#1484916)
	- Fixed <!DOCTYPE> tag filtering (#1484391)
	- Fixed <?xml> tag filtering (#1484403)
	- Added sections (fieldset+label) in Settings interface
	- Mark as read in one action with message preview (#1484972)
	- Deleted redundant quota reads (#1484972)
	- Added options for empty trash and expunge inbox on logout (#1483863)
	- Removed lines wrapping when displaying message
	- Fixed month localization
	- Changed codebase to PHP5 with autoloader

	RELEASE 0.1.1
	-------------
	- Clear selection when selecting single item (#1484942)
	- Remove hard-coded image size in skin templates (#1484893)
	- Database schema improvements (dropped unnecessary indexes)
	- Fixed creating a new folder with a comma in its name (#1484681)
	- Fixed sorting of messages when default mailbox is empty (#1484317)
	- Improve message previewpane - less loading (#1484316)
	- Fixed login form autoompletion (#1484839)
	- Fixed virtuser_query option for mdb2 backend (#1484874)
	- Fixed attachment resoting from Drafts when message body was empty (#1484506)
	- Fixed usage of ob_gzhandler (#1484851)
	- Fixed message part window in IE6 (#1484610)
	- Fixed decoding of mime-encoded strings (#1484191)
	- Fixed some iconv/mb_string problems (#1484598)
	- Correctly quote mailbox name when using in URL (#1484313)
	- Fixed "headers already sent" errors (#1484860)

	RELEASE 0.1-STABLE
	------------------
	- Added interactive installer script
	- Fix folder adding/renaming inspired by #1484800
	- Localize folder name in page title (#1484785)
	- Fix code using wrong variable name (#1484018)
	- Allow to send mail with BCC recipients only
	- condense TinyMCE toolbar down to one line, removing table buttons (#1484747)
	- Add function to mark the selected messages as read/unread (#1457360)
	- Also do charset decoding as suggested in RFC 2231 (fix #1484321)
	- Show message count in folder list and hint when creating a subfolder
	- Distinguish ssl and tls for imap connections (#1484667)
	- Added some charset aliases to fix typical mis-labelling (#1484565)
	- Remember decision to display images for a certain message during session (#1484754)
	- Truncate attachment filenames to 55 characters due to an IE bug (#1484757)
	- Make sending of read receipts configurable
	- Respect config when localize folder names (#1484707)
	- Also respect receipt and priority settings when re-opening a draft message
	- Remember search results (closes #1483883), patch by the_glu
	- Add Received header on outgoing mail
	- Upgrade to TinyMCE 2.1.3
	- Allow inserting image attachments into HTML messages while composing (#1484557)
	- Implement Message-Disposition-Notification (Receipts)
	- Fix overriding of session vars when register_globals is on (#1484670)
	- Fix bug with case-sensitive folder names (#1484245)
	- Don't create default folders by default
	- Fixed some potential security risks (audited by Andris)
	- Only show new messages if they match the current search (#1484176)
	- Switch to/from when searcing in Sent folder (#1484555)
	- Correctly read the References header (#1484646)
	- Unset old cookie before sending a new value (#1484639)
	- Correctly decode attachments when downloading them (#1484645 and #1484642)
	- Suppress IE errors when clearing attachments form (#1484356)
	- Log error when login fails due to auto_create_user turned off
	- Filter linked/imported CSS files (closes #1484056)
	- Improve message compose screen (closes #1484383)
	- Select next row after removing one from list (#1484387)

	RELEASE 0.1-RC2
	---------------
	- Enable drag-&-dropping of folders to a new parent and allow to create subfolders (#1457344)
	- Suppress IE errors when clearing attachments form (#1484356)
	- Set preferences field in user table to NULL (#1484386)
	- Log error when login fails due to auto_create_user turned off
	- Filter linked/imported CSS files (closes #1484056)
	- Improve message compose screen (closes #1484383)
	- Select next row after removing one from list (#1484387)
	- Make smtp HELO/EHLO hostname configurable (#1484067)
	- IPv6 Compatability (#1484322), Patch #1484373
	- Unlock interface when message sending fails (#1484570)
	- Eval PHP code in template includes (if configured)
	- Show message when folder is empty. Mo more static text in table (#1484395)
	- Only display unread count in page title when new messages arrived
	- Fixed wrong delete button tooltip (#1483965)
	- Fixed charset encoding bug (#1484429)
	- Applied patch for LDAP version (#1484552)
	- Improved XHTML validation
	- Fix message list selection (#1484550)
	- Better fix lowercased usernames (#1484473)
	- Update pngbehavior Script as suggested in #1484490
	- Fixed moving/deleting messages when more than 1 is selected
	- Applied patch for LDAP contacts listing by Glen Ogilvie
	- Applied patch for more address fields in LDAP contacts (#1484402)
	- Add alternative for getallheaders() (fix #1484508)
	- Identify mailboxes case-sensitive
	- Sort mailbox list case-insensitive (closes #1484338)
	- Fix display of multipart messages from Apple Mail (closes #1484027)
	- Protect AJAX request from being fetched by a foreign site (XSS)
	- Make autocomplete for loginform configurable by the skin template
	- Fix compose function from address book (closes #1484426)
	- Added //IGNORE to iconv call (patch #1484420, closes #1484023)
	- Check if mbstring supports charset (#1484290 and #1484292)
	- Prefer iconv over mbstring (as suggested in #1484292)
	- Check filesize of template includes (#1484409)
	- Fixed bug with buttons not dimming/enabling properly after switching folders
	- Fixed compose window becoming unresponsive after saving a draft (#1484487)
	- Re-enabled "Back" button in compose window now that bug #1484487 is fixed
	- Fixed unresponsive interface issue when downloading attachments (#1484496)
	- Lowered status message time from 5 to 3 seconds to improve responsiveness
	- Raised .htaccess upload_max_filesize from 2M to 5M to differ from default php.ini
	- Increased "mailboxcontrols" mail.css width from 160 to 170px to fix non-english languages (#1484499)
	- Fix status message bug #1484464 with regard to #1484353
	- Fix address adding bug reported by David Koblas
	- Applied socket error patch by Thomas Mangin
	- Pass-by-reference workarround for PHP5 in sendmail.inc
	- Fixed buggy imap_root settings (closes #1484379)
	- Prevent default events on subject links (#1484399)
	- Use HTTP-POST requests for actions that change state

	RELEASE 0.1-RC1
	---------------
	- Use global filters and bind username/ for Ldap searches (#1484159)
	- Hide quota display if imap server does not support it
	- Hide address groups if no LDAP servers configured
	- Add link to message subjects (closes #1484257)
	- Better SQL query for contact listing/search (closes #1484369)
	- Fixed marking as read in preview pane (closes #1484364)
	- CSS hack to display attachments correctly in IE6
	- Wrap message body text (closes #1484148)
	- LDAP access is back in address book (closes #1484087)
	- Added search function for contacts
	- New Template parsing and output encoding
	- Fixed bugs #1484119 and #1483978
	- Fixed message moving procedure (closes #1484308)
	- Fixed display of multiple attachments (closes #1466563)
	- Fixed check for new messages (closes #1484310)
	- List attachments without filename
	- New session authentication: Change sessid cookie when login, authentication with sessauth cookie is now configurable.
	Should close bugs #1483951 and #1484299
	- Correctly translate mailbox names (closes #1484276)
	- Quote e-mail address links (closes #1484300)
	- Updated PEAR::Mail_mime package
	- Accept single quotes for HTML attributes when modifying message body (thanks Jason)
	- Sanitize input for new users/identities (thanks Colin Alston)
	- Don't download HTML message parts
	- Convert HTML parts to plaintext if 'prefer_html' is off
	- Correctly parse message/rfc822 parts (closes #1484045)
	- Also use user_id for unique key in messages table (closes #1484074)
	- Hide contacts drop down on blur (closes #1484203)
	- Make entries in contacts drop down clickable
	- Turn off browser autocompletion on login page
	- Quote <? in text/html message parts
	- Hide border around radio buttons
	- Applied patch for attachment download by crichardson (closes #1484198)
	- Fixed bug in Postgres DB handling (closes #1484068)
	- Fixed bug of invalid calls to fetchRow() in rcube_db.inc (closes #1484280)
	- Fixed array_merge bug (closes #1484281)
	- Fixed flag for deletion in list view (closes #1484264)
	- Finally support semicolons as recipient separator (closes ##1484251)
	- Fixed message headers (subject) encoding
	- check if safe mode is on or not (closes #1484269)
	- Show "no subject" in message list if subject is missing (closes #1484243)
	- Solved page caching of message preview (closes #1484153)
	- Only use gzip compression if configured (closes #1484236)
	- Fixed priority selector issue (#1484150)
	- Fixed some CSS issues in default skin (closes #1484210 and #1484161)
	- Prevent from double quoting of numeric HTML character references (closes #1484253)
	- Fixed display of HTML message attachments (closes #1484178)
	- Applied patch for preview caching (closes #1484186)
	- Added error handling for attachment uploads
	- Use multibyte safe string functions where necessary (closes #1483988)
	- Applied security patch to validate the submitted host value (by Kees Cook)
	- Applied security patch to validate input values when deleting contacts (by Kees Cook)
	- Applied security patch that sanitizes emoticon paths when attaching them (by Kees Cook)
	- Applied a patch to more aggressively sanitize a HTML message
	- Visualize blocked images in HTML messages
	- Fixed wrong message listing when showing search results (closes #1484131)
	- Show remote images when opening HTML message part as attachment
	- Improve memory usage when sending mail (closes #1484098)
	- Mark messages as read once the preview is loaded (closes #1484132)
	- Include smtp final response in log (closes #1484081)
	- Corrected date string in sent message header (closes #1484125)
	- Correclty choose "To" column in sent and draft mailboxes (closes #1483943)
	- Changed srong tooltips for message browse buttons (closes #1483930)
	- Fixed signature delimeter character to be standard (Bug #1484035)
	- Fixed XSS vulnerability (Bug #1484109)
	- Remove newlines from mail headers (Bug #1484031)
	- Selection issues when moving/deleting (Bug #1484044)
	- Applied patch of Clement Moulin for imap host auto-selection
	- ISO-encode IMAP password for plaintext login (Bugs #1483977 & #1483886)
	- Fixed folder name encoding in subscription list (Bug #1484113)
	- Fixed JS errors in identity list (Bug #1484120)
	- Translate foldernames in folder form (closes #1484113)
	- Added first and last buttons to message list, address book
	and message detail
	- Pressing Shift-Del bypasses Trash folder
	- Enable purge command for Junk folder
	- Fetch all aliases if virtuser_query is used instead
	- Re-enabled multi select of contacts (Bug #1484017)
	- Enable contact editing right after creation (Bug #1459641)
	- Correct UTF-7 to UTF-8 conversion if mbstring is not available
	- Fixed IMAP fetch of message body (Bug #1484019)
	- Fixed safe_mode problems (Bug #1418381)
	- Fixed wrong header encoding (Bug #1483976)
	- Made automatic draft saving configurable
	- Fixed JS bug when renaming folders (Bug #1483989)
	- Added quota display as image (by Brett Patterson)
	- Corrected creation of a message-id
	- New indentation for quoted message text
	- Improved HTML validity
	- Fixed URL character set (Ticket #1445501)
	- Fixed saving of contact into MySQL from LDAP query results (Ticket #1483820)
	- Fixed folder renaming: unsubscribe before rename (Bug #1483920)
	- Finalized new message parsing (+ chaching)
	- Fixed wrong usage of mbstring (Bug #1462439)
	- Set default spelling language (Ticket #1483938)
	- Added support for Nox Spell Server
	- Re-built message parsing (Bug #1327068)
	Now based on the message structure delivered by the IMAP server.
	- Fixed some XSS and SQL injection issues
	- Fixed charset problems with folder renaming
	diff --git a/config/main.inc.php.dist b/config/main.inc.php.dist
	index 64312b6a9..1b7ae5a54 100644
	--- a/config/main.inc.php.dist
	+++ b/config/main.inc.php.dist
	@@ -1,871 +1,871 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| Main configuration file \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2011, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	+-----------------------------------------------------------------------+

	*/

	$rcmail_config = array();

	// ----------------------------------
	// LOGGING/DEBUGGING
	// ----------------------------------

	// system error reporting, sum of: 1 = log; 4 = show, 8 = trace
	$rcmail_config['debug_level'] = 1;

	// log driver: 'syslog' or 'file'.
	$rcmail_config['log_driver'] = 'file';

	// date format for log entries
	// (read http://php.net/manual/en/function.date.php for all format characters)
	$rcmail_config['log_date_format'] = 'd-M-Y H:i:s O';

	// Syslog ident string to use, if using the 'syslog' log driver.
	$rcmail_config['syslog_id'] = 'roundcube';

	// Syslog facility to use, if using the 'syslog' log driver.
	// For possible values see installer or http://php.net/manual/en/function.openlog.php
	$rcmail_config['syslog_facility'] = LOG_USER;

	// Log sent messages to <log_dir>/sendmail or to syslog
	$rcmail_config['smtp_log'] = true;

	// Log successful logins to <log_dir>/userlogins or to syslog
	$rcmail_config['log_logins'] = false;

	// Log session authentication errors to <log_dir>/session or to syslog
	$rcmail_config['log_session'] = false;

	// Log SQL queries to <log_dir>/sql or to syslog
	$rcmail_config['sql_debug'] = false;

	// Log IMAP conversation to <log_dir>/imap or to syslog
	$rcmail_config['imap_debug'] = false;

	// Log LDAP conversation to <log_dir>/ldap or to syslog
	$rcmail_config['ldap_debug'] = false;

	// Log SMTP conversation to <log_dir>/smtp or to syslog
	$rcmail_config['smtp_debug'] = false;

	// ----------------------------------
	// IMAP
	// ----------------------------------

	// the mail host chosen to perform the log-in
	// leave blank to show a textbox at login, give a list of hosts
	// to display a pulldown menu or set one host as string.
	// To use SSL/TLS connection, enter hostname with prefix ssl:// or tls://
	// Supported replacement variables:
	// %n - hostname ($_SERVER['SERVER_NAME'])
	// %t - hostname without the first part
	// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
	// %s - domain name after the '@' from e-mail address provided at login screen
	// For example %n = mail.domain.tld, %t = domain.tld
	$rcmail_config['default_host'] = '';

	// TCP port used for IMAP connections
	$rcmail_config['default_port'] = 143;

	// IMAP AUTH type (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or null to use
	// best server supported one)
	$rcmail_config['imap_auth_type'] = null;

	// If you know your imap's folder delimiter, you can specify it here.
	// Otherwise it will be determined automatically
	$rcmail_config['imap_delimiter'] = null;

	// If IMAP server doesn't support NAMESPACE extension, but you're
	// using shared folders or personal root folder is non-empty, you'll need to
	// set these options. All can be strings or arrays of strings.
	// Folders need to be ended with directory separator, e.g. "INBOX."
	// (special directory "~" is an exception to this rule)
	// These can be used also to overwrite server's namespaces
	$rcmail_config['imap_ns_personal'] = null;
	$rcmail_config['imap_ns_other'] = null;
	$rcmail_config['imap_ns_shared'] = null;

	// By default IMAP capabilities are readed after connection to IMAP server
	// In some cases, e.g. when using IMAP proxy, there's a need to refresh the list
	// after login. Set to True if you've got this case.
	$rcmail_config['imap_force_caps'] = false;

	// By default list of subscribed folders is determined using LIST-EXTENDED
	// extension if available. Some servers (dovecot 1.x) returns wrong results
	// for shared namespaces in this case. http://trac.roundcube.net/ticket/1486225
	// Enable this option to force LSUB command usage instead.
	$rcmail_config['imap_force_lsub'] = false;

	// Some server configurations (e.g. Courier) doesn't list folders in all namespaces
	// Enable this option to force listing of folders in all namespaces
	$rcmail_config['imap_force_ns'] = false;

	// IMAP connection timeout, in seconds. Default: 0 (no limit)
	$rcmail_config['imap_timeout'] = 0;

	// Optional IMAP authentication identifier to be used as authorization proxy
	$rcmail_config['imap_auth_cid'] = null;

	// Optional IMAP authentication password to be used for imap_auth_cid
	$rcmail_config['imap_auth_pw'] = null;

	// Type of IMAP indexes cache. Supported values: 'db', 'apc' and 'memcache'.
	$rcmail_config['imap_cache'] = null;

	// Enables messages cache. Only 'db' cache is supported.
	$rcmail_config['messages_cache'] = false;


	// ----------------------------------
	// SMTP
	// ----------------------------------

	// SMTP server host (for sending mails).
	// To use SSL/TLS connection, enter hostname with prefix ssl:// or tls://
	// If left blank, the PHP mail() function is used
	// Supported replacement variables:
	// %h - user's IMAP hostname
	// %n - hostname ($_SERVER['SERVER_NAME'])
	// %t - hostname without the first part
	// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
	// %z - IMAP domain (IMAP hostname without the first part)
	// For example %n = mail.domain.tld, %t = domain.tld
	$rcmail_config['smtp_server'] = '';

	// SMTP port (default is 25; use 587 for STARTTLS or 465 for the
	// deprecated SSL over SMTP (aka SMTPS))
	$rcmail_config['smtp_port'] = 25;

	// SMTP username (if required) if you use %u as the username Roundcube
	// will use the current username for login
	$rcmail_config['smtp_user'] = '';

	// SMTP password (if required) if you use %p as the password Roundcube
	// will use the current user's password for login
	$rcmail_config['smtp_pass'] = '';

	// SMTP AUTH type (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or empty to use
	// best server supported one)
	$rcmail_config['smtp_auth_type'] = '';

	// Optional SMTP authentication identifier to be used as authorization proxy
	$rcmail_config['smtp_auth_cid'] = null;

	// Optional SMTP authentication password to be used for smtp_auth_cid
	$rcmail_config['smtp_auth_pw'] = null;

	// SMTP HELO host
	// Hostname to give to the remote server for SMTP 'HELO' or 'EHLO' messages
	// Leave this blank and you will get the server variable 'server_name' or
	// localhost if that isn't defined.
	$rcmail_config['smtp_helo_host'] = '';

	// SMTP connection timeout, in seconds. Default: 0 (no limit)
	$rcmail_config['smtp_timeout'] = 0;

	// ----------------------------------
	// SYSTEM
	// ----------------------------------

	// THIS OPTION WILL ALLOW THE INSTALLER TO RUN AND CAN EXPOSE SENSITIVE CONFIG DATA.
	// ONLY ENABLE IT IF YOU'RE REALLY SURE WHAT YOU'RE DOING!
	$rcmail_config['enable_installer'] = false;

	// don't allow these settings to be overriden by the user
	$rcmail_config['dont_override'] = array();

	// provide an URL where a user can get support for this Roundcube installation
	// PLEASE DO NOT LINK TO THE ROUNDCUBE.NET WEBSITE HERE!
	$rcmail_config['support_url'] = '';

	// replace Roundcube logo with this image
	// specify an URL relative to the document root of this Roundcube installation
	$rcmail_config['skin_logo'] = null;

	// automatically create a new Roundcube user when log-in the first time.
	// a new user will be created once the IMAP login succeeds.
	// set to false if only registered users can use this service
	$rcmail_config['auto_create_user'] = true;

	// Enables possibility to log in using email address from user identities
	$rcmail_config['user_aliases'] = false;

	// use this folder to store log files (must be writeable for apache user)
	// This is used by the 'file' log driver.
	$rcmail_config['log_dir'] = 'logs/';

	// use this folder to store temp files (must be writeable for apache user)
	$rcmail_config['temp_dir'] = 'temp/';

	// lifetime of message cache
	// possible units: s, m, h, d, w
	$rcmail_config['message_cache_lifetime'] = '10d';

	// enforce connections over https
	// with this option enabled, all non-secure connections will be redirected.
	// set the port for the ssl connection as value of this option if it differs from the default 443
	$rcmail_config['force_https'] = false;

	// tell PHP that it should work as under secure connection
	// even if it doesn't recognize it as secure ($_SERVER['HTTPS'] is not set)
	// e.g. when you're running Roundcube behind a https proxy
	// this option is mutually exclusive to 'force_https' and only either one of them should be set to true.
	$rcmail_config['use_https'] = false;

	// Allow browser-autocompletion on login form.
	// 0 - disabled, 1 - username and host only, 2 - username, host, password
	$rcmail_config['login_autocomplete'] = 0;

	// Forces conversion of logins to lower case.
	// 0 - disabled, 1 - only domain part, 2 - domain and local part.
	// If users authentication is case-insensitive this must be enabled.
	// Note: After enabling it all user records need to be updated, e.g. with query:
	// UPDATE users SET username = LOWER(username);
	$rcmail_config['login_lc'] = 2;

	// Includes should be interpreted as PHP files
	$rcmail_config['skin_include_php'] = false;

	// display software version on login screen
	$rcmail_config['display_version'] = false;

	// Session lifetime in minutes
	$rcmail_config['session_lifetime'] = 10;

	// Session domain: .example.org
	$rcmail_config['session_domain'] = '';

	// Session name. Default: 'roundcube_sessid'
	$rcmail_config['session_name'] = null;

	// Session path. Defaults to PHP session.cookie_path setting.
	$rcmail_config['session_path'] = null;

	// Backend to use for session storage. Can either be 'db' (default) or 'memcache'
	// If set to memcache, a list of servers need to be specified in 'memcache_hosts'
	// Make sure the Memcache extension (http://pecl.php.net/package/memcache) version >= 2.0.0 is installed
	$rcmail_config['session_storage'] = 'db';

	// Use these hosts for accessing memcached
	// Define any number of hosts in the form of hostname:port or unix:///path/to/socket.file
	$rcmail_config['memcache_hosts'] = null; // e.g. array( 'localhost:11211', '192.168.1.12:11211', 'unix:///var/tmp/memcached.sock' );

	// check client IP in session athorization
	$rcmail_config['ip_check'] = false;

	// check referer of incoming requests
	$rcmail_config['referer_check'] = false;

	// X-Frame-Options HTTP header value sent to prevent from Clickjacking.
	// Possible values: sameorigin\|deny. Set to false in order to disable sending them
	$rcmail_config['x_frame_options'] = 'sameorigin';

	// this key is used to encrypt the users imap password which is stored
	// in the session record (and the client cookie if remember password is enabled).
	// please provide a string of exactly 24 chars.
	$rcmail_config['des_key'] = 'rcmail-!24ByteDESkey*Str';

	// Automatically add this domain to user names for login
	// Only for IMAP servers that require full e-mail addresses for login
	// Specify an array with 'host' => 'domain' values to support multiple hosts
	// Supported replacement variables:
	// %h - user's IMAP hostname
	// %n - hostname ($_SERVER['SERVER_NAME'])
	// %t - hostname without the first part
	// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
	// %z - IMAP domain (IMAP hostname without the first part)
	// For example %n = mail.domain.tld, %t = domain.tld
	$rcmail_config['username_domain'] = '';

	// This domain will be used to form e-mail addresses of new users
	// Specify an array with 'host' => 'domain' values to support multiple hosts
	// Supported replacement variables:
	// %h - user's IMAP hostname
	// %n - http hostname ($_SERVER['SERVER_NAME'])
	// %d - domain (http hostname without the first part)
	// %z - IMAP domain (IMAP hostname without the first part)
	// For example %n = mail.domain.tld, %t = domain.tld
	$rcmail_config['mail_domain'] = '';

	// Password charset.
	// Use it if your authentication backend doesn't support UTF-8.
	// Defaults to ISO-8859-1 for backward compatibility
	$rcmail_config['password_charset'] = 'ISO-8859-1';

	// How many seconds must pass between emails sent by a user
	$rcmail_config['sendmail_delay'] = 0;

	// Maximum number of recipients per message. Default: 0 (no limit)
	$rcmail_config['max_recipients'] = 0;

	// Maximum allowednumber of members of an address group. Default: 0 (no limit)
	// If 'max_recipients' is set this value should be less or equal
	$rcmail_config['max_group_members'] = 0;

	// add this user-agent to message headers when sending
	$rcmail_config['useragent'] = 'Roundcube Webmail/'.RCMAIL_VERSION;

	// use this name to compose page titles
	$rcmail_config['product_name'] = 'Roundcube Webmail';

	// try to load host-specific configuration
	// see http://trac.roundcube.net/wiki/Howto_Config for more details
	$rcmail_config['include_host_config'] = false;

	// path to a text file which will be added to each sent message
	// paths are relative to the Roundcube root folder
	$rcmail_config['generic_message_footer'] = '';

	// path to a text file which will be added to each sent HTML message
	// paths are relative to the Roundcube root folder
	$rcmail_config['generic_message_footer_html'] = '';

	// add a received header to outgoing mails containing the creators IP and hostname
	$rcmail_config['http_received_header'] = false;

	// Whether or not to encrypt the IP address and the host name
	// these could, in some circles, be considered as sensitive information;
	// however, for the administrator, these could be invaluable help
	// when tracking down issues.
	$rcmail_config['http_received_header_encrypt'] = false;

	// This string is used as a delimiter for message headers when sending
	// a message via mail() function. Leave empty for auto-detection
	$rcmail_config['mail_header_delimiter'] = NULL;

	// number of chars allowed for line when wrapping text.
	// text wrapping is done when composing/sending messages
	$rcmail_config['line_length'] = 72;

	// send plaintext messages as format=flowed
	$rcmail_config['send_format_flowed'] = true;

	// Set identities access level:
	// 0 - many identities with possibility to edit all params
	// 1 - many identities with possibility to edit all params but not email address
	// 2 - one identity with possibility to edit all params
	// 3 - one identity with possibility to edit all params but not email address
	$rcmail_config['identities_level'] = 0;

	// Mimetypes supported by the browser.
	// attachments of these types will open in a preview window
	// either a comma-separated list or an array: 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,application/pdf'
	$rcmail_config['client_mimetypes'] = null; # null == default

	// mime magic database
	$rcmail_config['mime_magic'] = '/usr/share/misc/magic';

	// path to imagemagick identify binary
	$rcmail_config['im_identify_path'] = null;

	// path to imagemagick convert binary
	$rcmail_config['im_convert_path'] = null;

	// maximum size of uploaded contact photos in pixel
	$rcmail_config['contact_photo_size'] = 160;

	// Enable DNS checking for e-mail address validation
	$rcmail_config['email_dns_check'] = false;

	// Disables saving sent messages in Sent folder (like gmail) (Default: false)
	// Note: useful when SMTP server stores sent mail in user mailbox
	$rcmail_config['no_save_sent_messages'] = false;

	// ----------------------------------
	// PLUGINS
	// ----------------------------------

	// List of active plugins (in plugins/ directory)
	$rcmail_config['plugins'] = array();

	// ----------------------------------
	// USER INTERFACE
	// ----------------------------------

	// default messages sort column. Use empty value for default server's sorting,
	// or 'arrival', 'date', 'subject', 'from', 'to', 'fromto', 'size', 'cc'
	$rcmail_config['message_sort_col'] = '';

	// default messages sort order
	$rcmail_config['message_sort_order'] = 'DESC';

	// These cols are shown in the message list. Available cols are:
	// subject, from, to, fromto, cc, replyto, date, size, status, flag, attachment, 'priority'
	$rcmail_config['list_cols'] = array('subject', 'status', 'fromto', 'date', 'size', 'flag', 'attachment');

	// the default locale setting (leave empty for auto-detection)
	// RFC1766 formatted language name like en_US, de_DE, de_CH, fr_FR, pt_BR
	$rcmail_config['language'] = null;

	// use this format for date display (date or strftime format)
	$rcmail_config['date_format'] = 'Y-m-d';

	// give this choice of date formats to the user to select from
	$rcmail_config['date_formats'] = array('Y-m-d', 'd-m-Y', 'Y/m/d', 'm/d/Y', 'd/m/Y', 'd.m.Y', 'j.n.Y');

	// use this format for time display (date or strftime format)
	$rcmail_config['time_format'] = 'H:i';

	// give this choice of time formats to the user to select from
	$rcmail_config['time_formats'] = array('G:i', 'H:i', 'g:i a', 'h:i A');

	// use this format for short date display (derived from date_format and time_format)
	$rcmail_config['date_short'] = 'D H:i';

	// use this format for detailed date/time formatting (derived from date_format and time_format)
	$rcmail_config['date_long'] = 'Y-m-d H:i';

	// store draft message is this mailbox
	// leave blank if draft messages should not be stored
	// NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
	$rcmail_config['drafts_mbox'] = 'Drafts';

	// store spam messages in this mailbox
	// NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
	$rcmail_config['junk_mbox'] = 'Junk';

	// store sent message is this mailbox
	// leave blank if sent messages should not be stored
	// NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
	$rcmail_config['sent_mbox'] = 'Sent';

	// move messages to this folder when deleting them
	// leave blank if they should be deleted directly
	// NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
	$rcmail_config['trash_mbox'] = 'Trash';

	// display these folders separately in the mailbox list.
	// these folders will also be displayed with localized names
	// NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
	$rcmail_config['default_folders'] = array('INBOX', 'Drafts', 'Sent', 'Junk', 'Trash');

	// automatically create the above listed default folders on first login
	$rcmail_config['create_default_folders'] = false;

	// protect the default folders from renames, deletes, and subscription changes
	$rcmail_config['protect_default_folders'] = true;

	// if in your system 0 quota means no limit set this option to true
	$rcmail_config['quota_zero_as_unlimited'] = false;

	// Make use of the built-in spell checker. It is based on GoogieSpell.
	// Since Google only accepts connections over https your PHP installatation
	// requires to be compiled with Open SSL support
	$rcmail_config['enable_spellcheck'] = true;

	// Enables spellchecker exceptions dictionary.
	// Setting it to 'shared' will make the dictionary shared by all users.
	$rcmail_config['spellcheck_dictionary'] = false;

	// Set the spell checking engine. 'googie' is the default. 'pspell' is also available,
	// but requires the Pspell extensions. When using Nox Spell Server, also set 'googie' here.
	$rcmail_config['spellcheck_engine'] = 'googie';

	// For a locally installed Nox Spell Server, please specify the URI to call it.
	// Get Nox Spell Server from http://orangoo.com/labs/?page_id=72
	// Leave empty to use the Google spell checking service, what means
	// that the message content will be sent to Google in order to check spelling
	$rcmail_config['spellcheck_uri'] = '';

	// These languages can be selected for spell checking.
	// Configure as a PHP style hash array: array('en'=>'English', 'de'=>'Deutsch');
	// Leave empty for default set of available language.
	$rcmail_config['spellcheck_languages'] = NULL;

	// Makes that words with all letters capitalized will be ignored (e.g. GOOGLE)
	$rcmail_config['spellcheck_ignore_caps'] = false;

	// Makes that words with numbers will be ignored (e.g. g00gle)
	$rcmail_config['spellcheck_ignore_nums'] = false;

	// Makes that words with symbols will be ignored (e.g. g@@gle)
	$rcmail_config['spellcheck_ignore_syms'] = false;

	// Use this char/string to separate recipients when composing a new message
	$rcmail_config['recipients_separator'] = ',';

	// don't let users set pagesize to more than this value if set
	$rcmail_config['max_pagesize'] = 200;

	-// Minimal value of user's 'keep_alive' setting (in seconds)
	-$rcmail_config['min_keep_alive'] = 60;
	+// Minimal value of user's 'refresh_interval' setting (in seconds)
	+$rcmail_config['min_refresh_interval'] = 60;

	// Enables files upload indicator. Requires APC installed and enabled apc.rfc1867 option.
	// By default refresh time is set to 1 second. You can set this value to true
	// or any integer value indicating number of seconds.
	$rcmail_config['upload_progress'] = false;

	// Specifies for how many seconds the Undo button will be available
	// after object delete action. Currently used with supporting address book sources.
	// Setting it to 0, disables the feature.
	$rcmail_config['undo_timeout'] = 0;

	// ----------------------------------
	// ADDRESSBOOK SETTINGS
	// ----------------------------------

	// This indicates which type of address book to use. Possible choises:
	// 'sql' (default), 'ldap' and ''.
	// If set to 'ldap' then it will look at using the first writable LDAP
	// address book as the primary address book and it will not display the
	// SQL address book in the 'Address Book' view.
	// If set to '' then no address book will be displayed or only the
	// addressbook which is created by a plugin (like CardDAV).
	$rcmail_config['address_book_type'] = 'sql';

	// In order to enable public ldap search, configure an array like the Verisign
	// example further below. if you would like to test, simply uncomment the example.
	// Array key must contain only safe characters, ie. a-zA-Z0-9_
	$rcmail_config['ldap_public'] = array();

	// If you are going to use LDAP for individual address books, you will need to
	// set 'user_specific' to true and use the variables to generate the appropriate DNs to access it.
	//
	// The recommended directory structure for LDAP is to store all the address book entries
	// under the users main entry, e.g.:
	//
	// o=root
	// ou=people
	// uid=user@domain
	// mail=contact@contactdomain
	//
	// So the base_dn would be uid=%fu,ou=people,o=root
	// The bind_dn would be the same as based_dn or some super user login.
	/*
	* example config for Verisign directory
	*
	$rcmail_config['ldap_public']['Verisign'] = array(
	'name' => 'Verisign.com',
	// Replacement variables supported in host names:
	// %h - user's IMAP hostname
	// %n - hostname ($_SERVER['SERVER_NAME'])
	// %t - hostname without the first part
	// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
	// %z - IMAP domain (IMAP hostname without the first part)
	// For example %n = mail.domain.tld, %t = domain.tld
	'hosts' => array('directory.verisign.com'),
	'port' => 389,
	'use_tls' => false,
	'ldap_version' => 3, // using LDAPv3
	'user_specific' => false, // If true the base_dn, bind_dn and bind_pass default to the user's IMAP login.
	// %fu - The full username provided, assumes the username is an email
	// address, uses the username_domain value if not an email address.
	// %u - The username prior to the '@'.
	// %d - The domain name after the '@'.
	// %dc - The domain name hierarchal string e.g. "dc=test,dc=domain,dc=com"
	// %dn - DN found by ldap search when search_filter/search_base_dn are used
	'base_dn' => '',
	'bind_dn' => '',
	'bind_pass' => '',
	// It's possible to bind for an individual address book
	// The login name is used to search for the DN to bind with
	'search_base_dn' => '',
	'search_filter' => '', // e.g. '(&(objectClass=posixAccount)(uid=%u))'
	// DN and password to bind as before searching for bind DN, if anonymous search is not allowed
	'search_bind_dn' => '',
	'search_bind_pw' => '',
	// Default for %dn variable if search doesn't return DN value
	'search_dn_default' => '',
	// Optional authentication identifier to be used as SASL authorization proxy
	// bind_dn need to be empty
	'auth_cid' => '',
	// SASL authentication method (for proxy auth), e.g. DIGEST-MD5
	'auth_method' => '',
	// Indicates if the addressbook shall be hidden from the list.
	// With this option enabled you can still search/view contacts.
	'hidden' => false,
	// Indicates if the addressbook shall not list contacts but only allows searching.
	'searchonly' => false,
	// Indicates if we can write to the LDAP directory or not.
	// If writable is true then these fields need to be populated:
	// LDAP_Object_Classes, required_fields, LDAP_rdn
	'writable' => false,
	// To create a new contact these are the object classes to specify
	// (or any other classes you wish to use).
	'LDAP_Object_Classes' => array('top', 'inetOrgPerson'),
	// The RDN field that is used for new entries, this field needs
	// to be one of the search_fields, the base of base_dn is appended
	// to the RDN to insert into the LDAP directory.
	'LDAP_rdn' => 'cn',
	// The required fields needed to build a new contact as required by
	// the object classes (can include additional fields not required by the object classes).
	'required_fields' => array('cn', 'sn', 'mail'),
	'search_fields' => array('mail', 'cn'), // fields to search in
	// mapping of contact fields to directory attributes
	// for every attribute one can specify the number of values (limit) allowed.
	// default is 1, a wildcard * means unlimited
	'fieldmap' => array(
	// Roundcube => LDAP:limit
	'name' => 'cn',
	'surname' => 'sn',
	'firstname' => 'givenName',
	'jobtitle' => 'title',
	'email' => 'mail:*',
	'phone:home' => 'homePhone',
	'phone:work' => 'telephoneNumber',
	'phone:mobile' => 'mobile',
	'phone:pager' => 'pager',
	'street' => 'street',
	'zipcode' => 'postalCode',
	'region' => 'st',
	'locality' => 'l',
	// if you country is a complex object, you need to configure 'sub_fields' below
	'country' => 'c',
	'organization' => 'o',
	'department' => 'ou',
	'jobtitle' => 'title',
	'notes' => 'description',
	// these currently don't work:
	// 'phone:workfax' => 'facsimileTelephoneNumber',
	// 'photo' => 'jpegPhoto',
	// 'manager' => 'manager',
	// 'assistant' => 'secretary',
	),
	// Map of contact sub-objects (attribute name => objectClass(es)), e.g. 'c' => 'country'
	'sub_fields' => array(),
	'sort' => 'cn', // The field to sort the listing by.
	'scope' => 'sub', // search mode: sub\|base\|list
	'filter' => '(objectClass=inetOrgPerson)', // used for basic listing (if not empty) and will be &'d with search queries. example: status=act
	'fuzzy_search' => true, // server allows wildcard search
	'vlv' => false, // Enable Virtual List View to more efficiently fetch paginated data (if server supports it)
	'numsub_filter' => '(objectClass=organizationalUnit)', // with VLV, we also use numSubOrdinates to query the total number of records. Set this filter to get all numSubOrdinates attributes for counting
	'sizelimit' => '0', // Enables you to limit the count of entries fetched. Setting this to 0 means no limit.
	'timelimit' => '0', // Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit.
	'referrals' => true\|false, // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups

	// definition for contact groups (uncomment if no groups are supported)
	// for the groups base_dn, the user replacements %fu, %u, $d and %dc work as for base_dn (see above)
	// if the groups base_dn is empty, the contact base_dn is used for the groups as well
	// -> in this case, assure that groups and contacts are separated due to the concernig filters!
	'groups' => array(
	'base_dn' => '',
	'scope' => 'sub', // search mode: sub\|base\|list
	'filter' => '(objectClass=groupOfNames)',
	'object_classes' => array("top", "groupOfNames"),
	'member_attr' => 'member', // name of the member attribute, e.g. uniqueMember
	'name_attr' => 'cn', // attribute to be used as group name
	),
	);
	*/

	// An ordered array of the ids of the addressbooks that should be searched
	// when populating address autocomplete fields server-side. ex: array('sql','Verisign');
	$rcmail_config['autocomplete_addressbooks'] = array('sql');

	// The minimum number of characters required to be typed in an autocomplete field
	// before address books will be searched. Most useful for LDAP directories that
	// may need to do lengthy results building given overly-broad searches
	$rcmail_config['autocomplete_min_length'] = 1;

	// Number of parallel autocomplete requests.
	// If there's more than one address book, n parallel (async) requests will be created,
	// where each request will search in one address book. By default (0), all address
	// books are searched in one request.
	$rcmail_config['autocomplete_threads'] = 0;

	// Max. numer of entries in autocomplete popup. Default: 15.
	$rcmail_config['autocomplete_max'] = 15;

	// show address fields in this order
	// available placeholders: {street}, {locality}, {zipcode}, {country}, {region}
	$rcmail_config['address_template'] = '{street}<br/>{locality} {zipcode}<br/>{country} {region}';

	// Matching mode for addressbook search (including autocompletion)
	// 0 - partial (abc), default
	// 1 - strict (abc)
	// 2 - prefix (abc*)
	// Note: For LDAP sources fuzzy_search must be enabled to use 'partial' or 'prefix' mode
	$rcmail_config['addressbook_search_mode'] = 0;

	// ----------------------------------
	// USER PREFERENCES
	// ----------------------------------

	// Use this charset as fallback for message decoding
	$rcmail_config['default_charset'] = 'ISO-8859-1';

	// skin name: folder from skins/
	$rcmail_config['skin'] = 'larry';

	// show up to X items in messages list view
	$rcmail_config['mail_pagesize'] = 50;

	// show up to X items in contacts list view
	$rcmail_config['addressbook_pagesize'] = 50;

	// sort contacts by this col (preferably either one of name, firstname, surname)
	$rcmail_config['addressbook_sort_col'] = 'surname';

	// the way how contact names are displayed in the list
	// 0: display name
	// 1: (prefix) firstname middlename surname (suffix)
	// 2: (prefix) surname firstname middlename (suffix)
	// 3: (prefix) surname, firstname middlename (suffix)
	$rcmail_config['addressbook_name_listing'] = 0;

	// use this timezone to display date/time
	// valid timezone identifers are listed here: php.net/manual/en/timezones.php
	// 'auto' will use the browser's timezone settings
	$rcmail_config['timezone'] = 'auto';

	// prefer displaying HTML messages
	$rcmail_config['prefer_html'] = true;

	// display remote inline images
	// 0 - Never, always ask
	// 1 - Ask if sender is not in address book
	// 2 - Always show inline images
	$rcmail_config['show_images'] = 0;

	// open messages in new window
	$rcmail_config['message_extwin'] = false;

	// open message compose form in new window
	$rcmail_config['compose_extwin'] = false;

	// compose html formatted messages by default
	// 0 - never, 1 - always, 2 - on reply to HTML message, 3 - on forward or reply to HTML message
	$rcmail_config['htmleditor'] = 0;

	// show pretty dates as standard
	$rcmail_config['prettydate'] = true;

	// save compose message every 300 seconds (5min)
	$rcmail_config['draft_autosave'] = 300;

	// default setting if preview pane is enabled
	$rcmail_config['preview_pane'] = false;

	// Mark as read when viewed in preview pane (delay in seconds)
	// Set to -1 if messages in preview pane should not be marked as read
	$rcmail_config['preview_pane_mark_read'] = 0;

	// Clear Trash on logout
	$rcmail_config['logout_purge'] = false;

	// Compact INBOX on logout
	$rcmail_config['logout_expunge'] = false;

	// Display attached images below the message body
	$rcmail_config['inline_images'] = true;

	// Encoding of long/non-ascii attachment names:
	// 0 - Full RFC 2231 compatible
	// 1 - RFC 2047 for 'name' and RFC 2231 for 'filename' parameter (Thunderbird's default)
	// 2 - Full 2047 compatible
	$rcmail_config['mime_param_folding'] = 1;

	// Set true if deleted messages should not be displayed
	// This will make the application run slower
	$rcmail_config['skip_deleted'] = false;

	// Set true to Mark deleted messages as read as well as deleted
	// False means that a message's read status is not affected by marking it as deleted
	$rcmail_config['read_when_deleted'] = true;

	// Set to true to never delete messages immediately
	// Use 'Purge' to remove messages marked as deleted
	$rcmail_config['flag_for_deletion'] = false;

	// Default interval for auto-refresh requests (in seconds)
	// These are requests for system state updates e.g. checking for new messages, etc.
	// Setting it to 0 disables the feature.
	-$rcmail_config['keep_alive'] = 60;
	+$rcmail_config['refresh_interval'] = 60;

	// If true all folders will be checked for recent messages
	$rcmail_config['check_all_folders'] = false;

	// If true, after message delete/move, the next message will be displayed
	$rcmail_config['display_next'] = true;

	// 0 - Do not expand threads
	// 1 - Expand all threads automatically
	// 2 - Expand only threads with unread messages
	$rcmail_config['autoexpand_threads'] = 0;

	// When replying:
	// -1 - don't cite the original message
	// 0 - place cursor below the original message
	// 1 - place cursor above original message (top posting)
	$rcmail_config['reply_mode'] = 0;

	// When replying strip original signature from message
	$rcmail_config['strip_existing_sig'] = true;

	// Show signature:
	// 0 - Never
	// 1 - Always
	// 2 - New messages only
	// 3 - Forwards and Replies only
	$rcmail_config['show_sig'] = 1;

	// When replying or forwarding place sender's signature above existing message
	$rcmail_config['sig_above'] = false;

	// Use MIME encoding (quoted-printable) for 8bit characters in message body
	$rcmail_config['force_7bit'] = false;

	// Defaults of the search field configuration.
	// The array can contain a per-folder list of header fields which should be considered when searching
	// The entry with key '*' stands for all folders which do not have a specific list set.
	// Please note that folder names should to be in sync with $rcmail_config['default_folders']
	$rcmail_config['search_mods'] = null; // Example: array('*' => array('subject'=>1, 'from'=>1), 'Sent' => array('subject'=>1, 'to'=>1));

	// Defaults of the addressbook search field configuration.
	$rcmail_config['addressbook_search_mods'] = null; // Example: array('name'=>1, 'firstname'=>1, 'surname'=>1, 'email'=>1, '*'=>1);

	// 'Delete always'
	// This setting reflects if mail should be always deleted
	// when moving to Trash fails. This is necessary in some setups
	// when user is over quota and Trash is included in the quota.
	$rcmail_config['delete_always'] = false;

	// Directly delete messages in Junk instead of moving to Trash
	$rcmail_config['delete_junk'] = false;

	// Behavior if a received message requests a message delivery notification (read receipt)
	// 0 = ask the user, 1 = send automatically, 2 = ignore (never send or ask)
	// 3 = send automatically if sender is in addressbook, otherwise ask the user
	// 4 = send automatically if sender is in addressbook, otherwise ignore
	$rcmail_config['mdn_requests'] = 0;

	// Return receipt checkbox default state
	$rcmail_config['mdn_default'] = 0;

	// Delivery Status Notification checkbox default state
	$rcmail_config['dsn_default'] = 0;

	// Place replies in the folder of the message being replied to
	$rcmail_config['reply_same_folder'] = false;

	// Sets default mode of Forward feature to "forward as attachment"
	$rcmail_config['forward_attachment'] = false;

	// Defines address book (internal index) to which new contacts will be added
	// By default it is the first writeable addressbook.
	// Note: Use '0' for built-in address book.
	$rcmail_config['default_addressbook'] = null;

	// Enables spell checking before sending a message.
	$rcmail_config['spellcheck_before_send'] = false;

	// Skip alternative email addresses in autocompletion (show one address per contact)
	$rcmail_config['autocomplete_single'] = false;

	// Default font for composed HTML message.
	// Supported values: Andale Mono, Arial, Arial Black, Book Antiqua, Courier New,
	// Georgia, Helvetica, Impact, Tahoma, Terminal, Times New Roman, Trebuchet MS, Verdana
	$rcmail_config['default_font'] = '';

	// end of config file
	diff --git a/installer/rcube_install.php b/installer/rcube_install.php
	index d1dce9d0e..06c57c0ac 100644
	--- a/installer/rcube_install.php
	+++ b/installer/rcube_install.php
	@@ -1,729 +1,726 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| rcube_install.php \|
	\| \|
	\| This file is part of the Roundcube Webmail package \|
	\| Copyright (C) 2008-2012, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	+-----------------------------------------------------------------------+
	*/


	/**
	* Class to control the installation process of the Roundcube Webmail package
	*
	* @category Install
	* @package Roundcube
	* @author Thomas Bruederli
	*/
	class rcube_install
	{
	var $step;
	var $is_post = false;
	var $failures = 0;
	var $config = array();
	var $configured = false;
	var $last_error = null;
	var $db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql', 'sqlsrv' => 'mssql');
	var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]@[a-z0-9]([a-z0-9\-][.]?)[a-z0-9])';
	var $bool_config_props = array();

	var $obsolete_config = array('db_backend', 'double_auth');
	var $replaced_config = array(
	'skin_path' => 'skin',
	'locale_string' => 'language',
	'multiple_identities' => 'identities_level',
	'addrbook_show_images' => 'show_images',
	'imap_root' => 'imap_ns_personal',
	'pagesize' => 'mail_pagesize',
	'default_imap_folders' => 'default_folders',
	'top_posting' => 'reply_mode',
	);

	// these config options are required for a working system
	var $required_config = array(
	'db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers',
	'des_key', 'session_lifetime', 'support_url',
	);

	// list of supported database drivers
	var $supported_dbs = array(
	'MySQL' => 'pdo_mysql',
	'PostgreSQL' => 'pdo_pgsql',
	'SQLite' => 'pdo_sqlite',
	'SQLite (v2)' => 'pdo_sqlite2',
	'SQL Server (SQLSRV)' => 'pdo_sqlsrv',
	'SQL Server (DBLIB)' => 'pdo_dblib',
	);


	/**
	* Constructor
	*/
	function rcube_install()
	{
	$this->step = intval($_REQUEST['_step']);
	$this->is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
	}

	/**
	* Singleton getter
	*/
	function get_instance()
	{
	static $inst;

	if (!$inst)
	$inst = new rcube_install();

	return $inst;
	}

	/**
	* Read the default config files and store properties
	*/
	function load_defaults()
	{
	$this->_load_config('.php.dist');
	}


	/**
	* Read the local config files and store properties
	*/
	function load_config()
	{
	$this->config = array();
	$this->_load_config('.php');
	$this->configured = !empty($this->config);
	}

	/**
	* Read the default config file and store properties
	* @access private
	*/
	function _load_config($suffix)
	{
	if (is_readable($main_inc = RCMAIL_CONFIG_DIR . '/main.inc' . $suffix)) {
	include($main_inc);
	if (is_array($rcmail_config))
	$this->config += $rcmail_config;
	}
	if (is_readable($db_inc = RCMAIL_CONFIG_DIR . '/db.inc'. $suffix)) {
	include($db_inc);
	if (is_array($rcmail_config))
	$this->config += $rcmail_config;
	}
	}


	/**
	* Getter for a certain config property
	*
	* @param string Property name
	* @param string Default value
	* @return string The property value
	*/
	function getprop($name, $default = '')
	{
	$value = $this->config[$name];

	if ($name == 'des_key' && !$this->configured && !isset($_REQUEST["_$name"]))
	$value = rcube_install::random_key(24);

	return $value !== null && $value !== '' ? $value : $default;
	}


	/**
	* Take the default config file and replace the parameters
	* with the submitted form data
	*
	* @param string Which config file (either 'main' or 'db')
	* @return string The complete config file content
	*/
	function create_config($which, $force = false)
	{
	$out = @file_get_contents(RCMAIL_CONFIG_DIR . "/{$which}.inc.php.dist");

	if (!$out)
	return '[Warning: could not read the config template file]';

	foreach ($this->config as $prop => $default) {

	$is_default = !isset($_POST["_$prop"]);
	$value = !$is_default \|\| $this->bool_config_props[$prop] ? $_POST["_$prop"] : $default;

	// convert some form data
	if ($prop == 'debug_level' && !$is_default) {
	if (is_array($value)) {
	$val = 0;
	foreach ($value as $dbgval)
	$val += intval($dbgval);
	$value = $val;
	}
	}
	else if ($which == 'db' && $prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
	if ($_POST['_dbtype'] == 'sqlite')
	$value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'], $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']);
	else if ($_POST['_dbtype'])
	$value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'],
	rawurlencode($_POST['_dbuser']), rawurlencode($_POST['_dbpass']), $_POST['_dbhost'], $_POST['_dbname']);
	}
	else if ($prop == 'smtp_auth_type' && $value == '0') {
	$value = '';
	}
	else if ($prop == 'default_host' && is_array($value)) {
	$value = rcube_install::_clean_array($value);
	if (count($value) <= 1)
	$value = $value[0];
	}
	else if ($prop == 'mail_pagesize' \|\| $prop == 'addressbook_pagesize') {
	$value = max(2, intval($value));
	}
	else if ($prop == 'smtp_user' && !empty($_POST['_smtp_user_u'])) {
	$value = '%u';
	}
	else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) {
	$value = '%p';
	}
	else if ($prop == 'default_folders') {
	$value = array();
	foreach ($this->config['default_folders'] as $_folder) {
	switch ($_folder) {
	case 'Drafts': $_folder = $this->config['drafts_mbox']; break;
	case 'Sent': $_folder = $this->config['sent_mbox']; break;
	case 'Junk': $_folder = $this->config['junk_mbox']; break;
	case 'Trash': $_folder = $this->config['trash_mbox']; break;
	}
	if (!in_array($_folder, $value))
	$value[] = $_folder;
	}
	}
	else if (is_bool($default)) {
	$value = (bool)$value;
	}
	else if (is_numeric($value)) {
	$value = intval($value);
	}

	// skip this property
	if (!$force && !$this->configured && ($value == $default))
	continue;

	// save change
	$this->config[$prop] = $value;

	// replace the matching line in config file
	$out = preg_replace(
	'/(\$rcmail_config\[\''.preg_quote($prop).'\'\])\s+=\s+(.+);/Uie',
	"'\\1 = ' . rcube_install::_dump_var(\$value, \$prop) . ';'",
	$out);
	}

	return trim($out);
	}


	/**
	* Check the current configuration for missing properties
	* and deprecated or obsolete settings
	*
	* @return array List with problems detected
	*/
	function check_config()
	{
	$this->config = array();
	$this->load_defaults();
	$defaults = $this->config;

	$this->load_config();
	if (!$this->configured)
	return null;

	$out = $seen = array();
	$required = array_flip($this->required_config);

	// iterate over the current configuration
	foreach ($this->config as $prop => $value) {
	if ($replacement = $this->replaced_config[$prop]) {
	$out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement);
	$seen[$replacement] = true;
	}
	else if (!$seen[$prop] && in_array($prop, $this->obsolete_config)) {
	$out['obsolete'][] = array('prop' => $prop);
	$seen[$prop] = true;
	}
	}

	// iterate over default config
	foreach ($defaults as $prop => $value) {
	if (!isset($seen[$prop]) && isset($required[$prop]) && !(is_bool($this->config[$prop]) \|\| strlen($this->config[$prop])))
	$out['missing'][] = array('prop' => $prop);
	}

	// check config dependencies and contradictions
	if ($this->config['enable_spellcheck'] && $this->config['spellcheck_engine'] == 'pspell') {
	if (!extension_loaded('pspell')) {
	$out['dependencies'][] = array('prop' => 'spellcheck_engine',
	'explain' => 'This requires the <tt>pspell</tt> extension which could not be loaded.');
	}
	else if (!empty($this->config['spellcheck_languages'])) {
	foreach ($this->config['spellcheck_languages'] as $lang => $descr)
	if (!@pspell_new($lang))
	$out['dependencies'][] = array('prop' => 'spellcheck_languages',
	'explain' => "You are missing pspell support for language $lang ($descr)");
	}
	}

	if ($this->config['log_driver'] == 'syslog') {
	if (!function_exists('openlog')) {
	$out['dependencies'][] = array('prop' => 'log_driver',
	'explain' => 'This requires the <tt>sylog</tt> extension which could not be loaded.');
	}
	if (empty($this->config['syslog_id'])) {
	$out['dependencies'][] = array('prop' => 'syslog_id',
	'explain' => 'Using <tt>syslog</tt> for logging requires a syslog ID to be configured');
	}
	}

	// check ldap_public sources having global_search enabled
	if (is_array($this->config['ldap_public']) && !is_array($this->config['autocomplete_addressbooks'])) {
	foreach ($this->config['ldap_public'] as $ldap_public) {
	if ($ldap_public['global_search']) {
	$out['replaced'][] = array('prop' => 'ldap_public::global_search', 'replacement' => 'autocomplete_addressbooks');
	break;
	}
	}
	}

	return $out;
	}


	/**
	* Merge the current configuration with the defaults
	* and copy replaced values to the new options.
	*/
	function merge_config()
	{
	$current = $this->config;
	$this->config = array();
	$this->load_defaults();

	foreach ($this->replaced_config as $prop => $replacement) {
	if (isset($current[$prop])) {
	if ($prop == 'skin_path')
	$this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
	else if ($prop == 'multiple_identities')
	$this->config[$replacement] = $current[$prop] ? 2 : 0;
	else
	$this->config[$replacement] = $current[$prop];
	}
	unset($current[$prop]);
	}

	foreach ($this->obsolete_config as $prop) {
	unset($current[$prop]);
	}

	// add all ldap_public sources having global_search enabled to autocomplete_addressbooks
	if (is_array($current['ldap_public'])) {
	foreach ($current['ldap_public'] as $key => $ldap_public) {
	if ($ldap_public['global_search']) {
	$this->config['autocomplete_addressbooks'][] = $key;
	unset($current['ldap_public'][$key]['global_search']);
	}
	}
	}

	- if ($current['keep_alive'] && $current['session_lifetime'] < $current['keep_alive'])
	- $current['session_lifetime'] = max(10, ceil($current['keep_alive'] / 60) * 2);
	-
	$this->config = array_merge($this->config, $current);

	foreach ((array)$current['ldap_public'] as $key => $values) {
	$this->config['ldap_public'][$key] = $current['ldap_public'][$key];
	}
	}

	/**
	* Compare the local database schema with the reference schema
	* required for this version of Roundcube
	*
	* @param boolean True if the schema schould be updated
	* @return boolean True if the schema is up-to-date, false if not or an error occured
	*/
	function db_schema_check($DB, $update = false)
	{
	if (!$this->configured)
	return false;

	// read reference schema from mysql.initial.sql
	$db_schema = $this->db_read_schema(INSTALL_PATH . 'SQL/mysql.initial.sql');
	$errors = array();

	// check list of tables
	$existing_tables = $DB->list_tables();

	foreach ($db_schema as $table => $cols) {
	$table = !empty($this->config['db_table_'.$table]) ? $this->config['db_table_'.$table] : $table;
	if (!in_array($table, $existing_tables)) {
	$errors[] = "Missing table '".$table."'";
	}
	else { // compare cols
	$db_cols = $DB->list_cols($table);
	$diff = array_diff(array_keys($cols), $db_cols);
	if (!empty($diff))
	$errors[] = "Missing columns in table '$table': " . join(',', $diff);
	}
	}

	return !empty($errors) ? $errors : false;
	}

	/**
	* Utility function to read database schema from an .sql file
	*/
	private function db_read_schema($schemafile)
	{
	$lines = file($schemafile);
	$table_block = false;
	$schema = array();
	foreach ($lines as $line) {
	if (preg_match('/^\s*create table `?([a-z0-9_]+)`?/i', $line, $m)) {
	$table_block = $m[1];
	}
	else if ($table_block && preg_match('/^\s*`?([a-z0-9_-]+)`?\s+([a-z]+)/', $line, $m)) {
	$col = $m[1];
	if (!in_array(strtoupper($col), array('PRIMARY','KEY','INDEX','UNIQUE','CONSTRAINT','REFERENCES','FOREIGN'))) {
	$schema[$table_block][$col] = $m[2];
	}
	}
	}

	return $schema;
	}


	/**
	* Getter for the last error message
	*
	* @return string Error message or null if none exists
	*/
	function get_error()
	{
	return $this->last_error['message'];
	}


	/**
	* Return a list with all imap hosts configured
	*
	* @return array Clean list with imap hosts
	*/
	function get_hostlist()
	{
	$default_hosts = (array)$this->getprop('default_host');
	$out = array();

	foreach ($default_hosts as $key => $name) {
	if (!empty($name))
	$out[] = rcube_parse_host(is_numeric($key) ? $name : $key);
	}

	return $out;
	}

	/**
	* Create a HTML dropdown to select a previous version of Roundcube
	*/
	function versions_select($attrib = array())
	{
	$select = new html_select($attrib);
	$select->add(array(
	'0.1-stable', '0.1.1',
	'0.2-alpha', '0.2-beta', '0.2-stable',
	'0.3-stable', '0.3.1',
	'0.4-beta', '0.4.2',
	'0.5-beta', '0.5', '0.5.1',
	'0.6-beta', '0.6',
	'0.7-beta', '0.7', '0.7.1', '0.7.2', '0.7.3',
	'0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2',
	));
	return $select;
	}

	/**
	* Return a list with available subfolders of the skin directory
	*/
	function list_skins()
	{
	$skins = array();
	$skindir = INSTALL_PATH . 'skins/';
	foreach (glob($skindir . '*') as $path) {
	if (is_dir($path) && is_readable($path)) {
	$skins[] = substr($path, strlen($skindir));
	}
	}
	return $skins;
	}

	/**
	* Display OK status
	*
	* @param string Test name
	* @param string Confirm message
	*/
	function pass($name, $message = '')
	{
	echo Q($name) . ':  <span class="success">OK</span>';
	$this->_showhint($message);
	}


	/**
	* Display an error status and increase failure count
	*
	* @param string Test name
	* @param string Error message
	* @param string URL for details
	*/
	function fail($name, $message = '', $url = '')
	{
	$this->failures++;

	echo Q($name) . ':  <span class="fail">NOT OK</span>';
	$this->_showhint($message, $url);
	}


	/**
	* Display an error status for optional settings/features
	*
	* @param string Test name
	* @param string Error message
	* @param string URL for details
	*/
	function optfail($name, $message = '', $url = '')
	{
	echo Q($name) . ':  <span class="na">NOT OK</span>';
	$this->_showhint($message, $url);
	}


	/**
	* Display warning status
	*
	* @param string Test name
	* @param string Warning message
	* @param string URL for details
	*/
	function na($name, $message = '', $url = '')
	{
	echo Q($name) . ':  <span class="na">NOT AVAILABLE</span>';
	$this->_showhint($message, $url);
	}


	function _showhint($message, $url = '')
	{
	$hint = Q($message);

	if ($url)
	$hint .= ($hint ? '; ' : '') . 'See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>';

	if ($hint)
	echo '<span class="indent">(' . $hint . ')</span>';
	}


	static function _clean_array($arr)
	{
	$out = array();

	foreach (array_unique($arr) as $k => $val) {
	if (!empty($val)) {
	if (is_numeric($k))
	$out[] = $val;
	else
	$out[$k] = $val;
	}
	}

	return $out;
	}


	static function _dump_var($var, $name=null) {
	// special values
	switch ($name) {
	case 'syslog_facility':
	$list = array(32 => 'LOG_AUTH', 80 => 'LOG_AUTHPRIV', 72 => ' LOG_CRON',
	24 => 'LOG_DAEMON', 0 => 'LOG_KERN', 128 => 'LOG_LOCAL0',
	136 => 'LOG_LOCAL1', 144 => 'LOG_LOCAL2', 152 => 'LOG_LOCAL3',
	160 => 'LOG_LOCAL4', 168 => 'LOG_LOCAL5', 176 => 'LOG_LOCAL6',
	184 => 'LOG_LOCAL7', 48 => 'LOG_LPR', 16 => 'LOG_MAIL',
	56 => 'LOG_NEWS', 40 => 'LOG_SYSLOG', 8 => 'LOG_USER', 64 => 'LOG_UUCP');
	if ($val = $list[$var])
	return $val;
	break;
	}


	if (is_array($var)) {
	if (empty($var)) {
	return 'array()';
	}
	else { // check if all keys are numeric
	$isnum = true;
	foreach ($var as $key => $value) {
	if (!is_numeric($key)) {
	$isnum = false;
	break;
	}
	}

	if ($isnum)
	return 'array(' . join(', ', array_map(array('rcube_install', '_dump_var'), $var)) . ')';
	}
	}

	return var_export($var, true);
	}


	/**
	* Initialize the database with the according schema
	*
	* @param object rcube_db Database connection
	* @return boolen True on success, False on error
	*/
	function init_db($DB)
	{
	$engine = isset($this->db_map[$DB->db_provider]) ? $this->db_map[$DB->db_provider] : $DB->db_provider;

	// read schema file from /SQL/*
	$fname = INSTALL_PATH . "SQL/$engine.initial.sql";
	if ($sql = @file_get_contents($fname)) {
	$this->exec_sql($sql, $DB);
	}
	else {
	$this->fail('DB Schema', "Cannot read the schema file: $fname");
	return false;
	}

	if ($err = $this->get_error()) {
	$this->fail('DB Schema', "Error creating database schema: $err");
	return false;
	}

	return true;
	}


	/**
	* Update database with SQL statements from SQL/*.update.sql
	*
	* @param object rcube_db Database connection
	* @param string Version to update from
	* @return boolen True on success, False on error
	*/
	function update_db($DB, $version)
	{
	$version = strtolower($version);
	$engine = isset($this->db_map[$DB->db_provider]) ? $this->db_map[$DB->db_provider] : $DB->db_provider;

	// read schema file from /SQL/*
	$fname = INSTALL_PATH . "SQL/$engine.update.sql";
	if ($lines = @file($fname, FILE_SKIP_EMPTY_LINES)) {
	$from = false; $sql = '';
	foreach ($lines as $line) {
	$is_comment = preg_match('/^--/', $line);
	if (!$from && $is_comment && preg_match('/from version\s([0-9.]+[a-z-]*)/', $line, $m)) {
	$v = strtolower($m[1]);
	if ($v == $version \|\| version_compare($version, $v, '<='))
	$from = true;
	}
	if ($from && !$is_comment)
	$sql .= $line. "\n";
	}

	if ($sql)
	$this->exec_sql($sql, $DB);
	}
	else {
	$this->fail('DB Schema', "Cannot read the update file: $fname");
	return false;
	}

	if ($err = $this->get_error()) {
	$this->fail('DB Schema', "Error updating database: $err");
	return false;
	}

	return true;
	}


	/**
	* Execute the given SQL queries on the database connection
	*
	* @param string SQL queries to execute
	* @param object rcube_db Database connection
	* @return boolen True on success, False on error
	*/
	function exec_sql($sql, $DB)
	{
	$buff = '';
	foreach (explode("\n", $sql) as $line) {
	if (preg_match('/^--/', $line) \|\| trim($line) == '')
	continue;

	$buff .= $line . "\n";
	if (preg_match('/(;\|^GO)$/', trim($line))) {
	$DB->query($buff);
	$buff = '';
	if ($DB->is_error())
	break;
	}
	}

	return !$DB->is_error();
	}


	/**
	* Handler for Roundcube errors
	*/
	function raise_error($p)
	{
	$this->last_error = $p;
	}


	/**
	* Generarte a ramdom string to be used as encryption key
	*
	* @param int Key length
	* @return string The generated random string
	* @static
	*/
	function random_key($length)
	{
	$alpha = 'ABCDEFGHIJKLMNOPQERSTUVXYZabcdefghijklmnopqrtsuvwxyz0123456789+*%&?!$-_=';
	$out = '';

	for ($i=0; $i < $length; $i++)
	$out .= $alpha{rand(0, strlen($alpha)-1)};

	return $out;
	}

	}

	diff --git a/program/include/rcmail.php b/program/include/rcmail.php
	index 04b87e48c..99a68e81d 100644
	--- a/program/include/rcmail.php
	+++ b/program/include/rcmail.php
	@@ -1,2111 +1,2111 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/include/rcmail.php \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2008-2012, The Roundcube Dev Team \|
	\| Copyright (C) 2011-2012, Kolab Systems AG \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Application class providing core functions and holding \|
	\| instances of all 'global' objects like db- and imap-connections \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	\| Author: Aleksander Machniak <alec@alec.pl> \|
	+-----------------------------------------------------------------------+
	*/


	/**
	* Application class of Roundcube Webmail
	* implemented as singleton
	*
	* @package Core
	*/
	class rcmail extends rcube
	{
	/**
	* Main tasks.
	*
	* @var array
	*/
	static public $main_tasks = array('mail','settings','addressbook','login','logout','utils','dummy');

	/**
	* Current task.
	*
	* @var string
	*/
	public $task;

	/**
	* Current action.
	*
	* @var string
	*/
	public $action = '';
	public $comm_path = './';

	private $address_books = array();
	private $action_map = array();


	const JS_OBJECT_NAME = 'rcmail';

	const ERROR_STORAGE = -2;
	const ERROR_INVALID_REQUEST = 1;
	const ERROR_INVALID_HOST = 2;
	const ERROR_COOKIES_DISABLED = 3;


	/**
	* This implements the 'singleton' design pattern
	*
	* @return rcmail The one and only instance
	*/
	static function get_instance()
	{
	if (!self::$instance \|\| !is_a(self::$instance, 'rcmail')) {
	self::$instance = new rcmail();
	self::$instance->startup(); // init AFTER object was linked with self::$instance
	}

	return self::$instance;
	}


	/**
	* Initial startup function
	* to register session, create database and imap connections
	*/
	protected function startup()
	{
	$this->init(self::INIT_WITH_DB \| self::INIT_WITH_PLUGINS);

	// start session
	$this->session_init();

	// create user object
	$this->set_user(new rcube_user($_SESSION['user_id']));

	// set task and action properties
	$this->set_task(rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC));
	$this->action = asciiwords(rcube_utils::get_input_value('_action', rcube_utils::INPUT_GPC));

	// reset some session parameters when changing task
	if ($this->task != 'utils') {
	if ($this->session && $_SESSION['task'] != $this->task)
	$this->session->remove('page');
	// set current task to session
	$_SESSION['task'] = $this->task;
	}

	// init output class
	if (!empty($_REQUEST['_remote']))
	$GLOBALS['OUTPUT'] = $this->json_init();
	else
	$GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));

	// load plugins
	$this->plugins->init($this, $this->task);
	$this->plugins->load_plugins((array)$this->config->get('plugins', array()), array('filesystem_attachments', 'jqueryui'));
	}


	/**
	* Setter for application task
	*
	* @param string Task to set
	*/
	public function set_task($task)
	{
	$task = asciiwords($task);

	if ($this->user && $this->user->ID)
	$task = !$task ? 'mail' : $task;
	else
	$task = 'login';

	$this->task = $task;
	$this->comm_path = $this->url(array('task' => $this->task));

	if ($this->output)
	$this->output->set_env('task', $this->task);
	}


	/**
	* Setter for system user object
	*
	* @param rcube_user Current user instance
	*/
	public function set_user($user)
	{
	if (is_object($user)) {
	$this->user = $user;

	// overwrite config with user preferences
	$this->config->set_user_prefs((array)$this->user->get_prefs());
	}

	$lang = $this->language_prop($this->config->get('language', $_SESSION['language']));
	$_SESSION['language'] = $this->user->language = $lang;

	// set localization
	setlocale(LC_ALL, $lang . '.utf8', $lang . '.UTF-8', 'en_US.utf8', 'en_US.UTF-8');

	// workaround for http://bugs.php.net/bug.php?id=18556
	if (in_array($lang, array('tr_TR', 'ku', 'az_AZ'))) {
	setlocale(LC_CTYPE, 'en_US.utf8', 'en_US.UTF-8');
	}
	}


	/**
	* Return instance of the internal address book class
	*
	* @param string Address book identifier (-1 for default addressbook)
	* @param boolean True if the address book needs to be writeable
	*
	* @return rcube_contacts Address book object
	*/
	public function get_address_book($id, $writeable = false)
	{
	$contacts = null;
	$ldap_config = (array)$this->config->get('ldap_public');

	// 'sql' is the alias for '0' used by autocomplete
	if ($id == 'sql')
	$id = '0';
	else if ($id == -1) {
	$id = $this->config->get('default_addressbook');
	$default = true;
	}

	// use existing instance
	if (isset($this->address_books[$id]) && ($this->address_books[$id] instanceof rcube_addressbook)) {
	$contacts = $this->address_books[$id];
	}
	else if ($id && $ldap_config[$id]) {
	$contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['storage_host']));
	}
	else if ($id === '0') {
	$contacts = new rcube_contacts($this->db, $this->get_user_id());
	}
	else {
	$plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));

	// plugin returned instance of a rcube_addressbook
	if ($plugin['instance'] instanceof rcube_addressbook) {
	$contacts = $plugin['instance'];
	}
	}

	// Get first addressbook from the list if configured default doesn't exist
	// This can happen when user deleted the addressbook (e.g. Kolab folder)
	if (!$contacts && (!$id \|\| $default)) {
	$source = reset($this->get_address_sources($writeable));
	if (!empty($source)) {
	$contacts = $this->get_address_book($source['id']);
	if ($contacts)
	$id = $source['id'];
	}
	}

	if (!$contacts) {
	self::raise_error(array(
	'code' => 700, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Addressbook source ($id) not found!"),
	true, true);
	}

	if ($writeable && $contacts->readonly) {
	return null;
	}

	// set configured sort order
	if ($sort_col = $this->config->get('addressbook_sort_col'))
	$contacts->set_sort_order($sort_col);

	// add to the 'books' array for shutdown function
	$this->address_books[$id] = $contacts;

	return $contacts;
	}


	/**
	* Return address books list
	*
	* @param boolean True if the address book needs to be writeable
	*
	* @return array Address books array
	*/
	public function get_address_sources($writeable = false)
	{
	$abook_type = strtolower($this->config->get('address_book_type'));
	$ldap_config = $this->config->get('ldap_public');
	$autocomplete = (array) $this->config->get('autocomplete_addressbooks');
	$list = array();

	// We are using the DB address book or a plugin address book
	if ($abook_type != 'ldap' && $abook_type != '') {
	if (!isset($this->address_books['0']))
	$this->address_books['0'] = new rcube_contacts($this->db, $this->get_user_id());
	$list['0'] = array(
	'id' => '0',
	'name' => $this->gettext('personaladrbook'),
	'groups' => $this->address_books['0']->groups,
	'readonly' => $this->address_books['0']->readonly,
	'autocomplete' => in_array('sql', $autocomplete),
	'undelete' => $this->address_books['0']->undelete && $this->config->get('undo_timeout'),
	);
	}

	if ($ldap_config) {
	$ldap_config = (array) $ldap_config;
	foreach ($ldap_config as $id => $prop) {
	// handle misconfiguration
	if (empty($prop) \|\| !is_array($prop)) {
	continue;
	}
	$list[$id] = array(
	'id' => $id,
	'name' => html::quote($prop['name']),
	'groups' => is_array($prop['groups']),
	'readonly' => !$prop['writable'],
	'hidden' => $prop['hidden'],
	'autocomplete' => in_array($id, $autocomplete)
	);
	}
	}

	$plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list));
	$list = $plugin['sources'];

	foreach ($list as $idx => $item) {
	// register source for shutdown function
	if (!is_object($this->address_books[$item['id']]))
	$this->address_books[$item['id']] = $item;
	// remove from list if not writeable as requested
	if ($writeable && $item['readonly'])
	unset($list[$idx]);
	}

	return $list;
	}


	/**
	* Init output object for GUI and add common scripts.
	* This will instantiate a rcube_output_html object and set
	* environment vars according to the current session and configuration
	*
	* @param boolean True if this request is loaded in a (i)frame
	* @return rcube_output_html Reference to HTML output object
	*/
	public function load_gui($framed = false)
	{
	// init output page
	if (!($this->output instanceof rcube_output_html))
	$this->output = new rcube_output_html($this->task, $framed);

	- // set keep-alive interval
	- $this->output->set_env('keep_alive', $this->config->get('keep_alive', 0));
	+ // set refresh interval
	+ $this->output->set_env('refresh_interval', $this->config->get('refresh_interval', 0));
	$this->output->set_env('session_lifetime', $this->config->get('session_lifetime', 0) * 60);

	if ($framed) {
	$this->comm_path .= '&_framed=1';
	$this->output->set_env('framed', true);
	}

	$this->output->set_env('task', $this->task);
	$this->output->set_env('action', $this->action);
	$this->output->set_env('comm_path', $this->comm_path);
	$this->output->set_charset(RCMAIL_CHARSET);

	// add some basic labels to client
	$this->output->add_label('loading', 'servererror', 'requesttimedout', 'refreshing');

	return $this->output;
	}


	/**
	* Create an output object for JSON responses
	*
	* @return rcube_output_json Reference to JSON output object
	*/
	public function json_init()
	{
	if (!($this->output instanceof rcube_output_json))
	$this->output = new rcube_output_json($this->task);

	return $this->output;
	}


	/**
	* Create session object and start the session.
	*/
	public function session_init()
	{
	parent::session_init();

	// set initial session vars
	if (!$_SESSION['user_id'])
	$_SESSION['temp'] = true;

	// restore skin selection after logout
	if ($_SESSION['temp'] && !empty($_SESSION['skin']))
	$this->config->set('skin', $_SESSION['skin']);
	}


	/**
	* Perfom login to the mail server and to the webmail service.
	* This will also create a new user entry if auto_create_user is configured.
	*
	* @param string Mail storage (IMAP) user name
	* @param string Mail storage (IMAP) password
	* @param string Mail storage (IMAP) host
	* @param bool Enables cookie check
	*
	* @return boolean True on success, False on failure
	*/
	function login($username, $pass, $host = null, $cookiecheck = false)
	{
	$this->login_error = null;

	if (empty($username)) {
	return false;
	}

	if ($cookiecheck && empty($_COOKIE)) {
	$this->login_error = self::ERROR_COOKIES_DISABLED;
	return false;
	}

	$config = $this->config->all();

	if (!$host)
	$host = $config['default_host'];

	// Validate that selected host is in the list of configured hosts
	if (is_array($config['default_host'])) {
	$allowed = false;
	foreach ($config['default_host'] as $key => $host_allowed) {
	if (!is_numeric($key))
	$host_allowed = $key;
	if ($host == $host_allowed) {
	$allowed = true;
	break;
	}
	}
	if (!$allowed) {
	$host = null;
	}
	}
	else if (!empty($config['default_host']) && $host != rcube_utils::parse_host($config['default_host'])) {
	$host = null;
	}

	if (!$host) {
	$this->login_error = self::ERROR_INVALID_HOST;
	return false;
	}

	// parse $host URL
	$a_host = parse_url($host);
	if ($a_host['host']) {
	$host = $a_host['host'];
	$ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
	if (!empty($a_host['port']))
	$port = $a_host['port'];
	else if ($ssl && $ssl != 'tls' && (!$config['default_port'] \|\| $config['default_port'] == 143))
	$port = 993;
	}

	if (!$port) {
	$port = $config['default_port'];
	}

	/* Modify username with domain if required
	Inspired by Marco <P0L0_notspam_binware.org>
	*/
	// Check if we need to add domain
	if (!empty($config['username_domain']) && strpos($username, '@') === false) {
	if (is_array($config['username_domain']) && isset($config['username_domain'][$host]))
	$username .= '@'.rcube_utils::parse_host($config['username_domain'][$host], $host);
	else if (is_string($config['username_domain']))
	$username .= '@'.rcube_utils::parse_host($config['username_domain'], $host);
	}

	if (!isset($config['login_lc'])) {
	$config['login_lc'] = 2; // default
	}

	// Convert username to lowercase. If storage backend
	// is case-insensitive we need to store always the same username (#1487113)
	if ($config['login_lc']) {
	if ($config['login_lc'] == 2 \|\| $config['login_lc'] === true) {
	$username = mb_strtolower($username);
	}
	else if (strpos($username, '@')) {
	// lowercase domain name
	list($local, $domain) = explode('@', $username);
	$username = $local . '@' . mb_strtolower($domain);
	}
	}

	// try to resolve email address from virtuser table
	if (strpos($username, '@') && ($virtuser = rcube_user::email2user($username))) {
	$username = $virtuser;
	}

	// Here we need IDNA ASCII
	// Only rcube_contacts class is using domain names in Unicode
	$host = rcube_utils::idn_to_ascii($host);
	$username = rcube_utils::idn_to_ascii($username);

	// user already registered -> overwrite username
	if ($user = rcube_user::query($username, $host)) {
	$username = $user->data['username'];
	}

	$storage = $this->get_storage();

	// try to log in
	if (!$storage->connect($host, $username, $pass, $port, $ssl)) {
	return false;
	}

	// user already registered -> update user's record
	if (is_object($user)) {
	// update last login timestamp
	$user->touch();
	}
	// create new system user
	else if ($config['auto_create_user']) {
	if ($created = rcube_user::create($username, $host)) {
	$user = $created;
	}
	else {
	self::raise_error(array(
	'code' => 620, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Failed to create a user record. Maybe aborted by a plugin?"
	), true, false);
	}
	}
	else {
	self::raise_error(array(
	'code' => 621, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Access denied for new user $username. 'auto_create_user' is disabled"
	), true, false);
	}

	// login succeeded
	if (is_object($user) && $user->ID) {
	// Configure environment
	$this->set_user($user);
	$this->set_storage_prop();

	// fix some old settings according to namespace prefix
	$this->fix_namespace_settings($user);

	// create default folders on first login
	if ($config['create_default_folders'] && (!empty($created) \|\| empty($user->data['last_login']))) {
	$storage->create_default_folders();
	}

	// set session vars
	$_SESSION['user_id'] = $user->ID;
	$_SESSION['username'] = $user->data['username'];
	$_SESSION['storage_host'] = $host;
	$_SESSION['storage_port'] = $port;
	$_SESSION['storage_ssl'] = $ssl;
	$_SESSION['password'] = $this->encrypt($pass);
	$_SESSION['login_time'] = time();

	if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_')
	$_SESSION['timezone'] = rcube_utils::get_input_value('_timezone', rcube_utils::INPUT_GPC);

	// force reloading complete list of subscribed mailboxes
	$storage->clear_cache('mailboxes', true);

	return true;
	}

	return false;
	}


	/**
	* Returns error code of last login operation
	*
	* @return int Error code
	*/
	public function login_error()
	{
	if ($this->login_error) {
	return $this->login_error;
	}

	if ($this->storage && $this->storage->get_error_code() < -1) {
	return self::ERROR_STORAGE;
	}
	}


	/**
	* Auto-select IMAP host based on the posted login information
	*
	* @return string Selected IMAP host
	*/
	public function autoselect_host()
	{
	$default_host = $this->config->get('default_host');
	$host = null;

	if (is_array($default_host)) {
	$post_host = rcube_utils::get_input_value('_host', rcube_utils::INPUT_POST);
	$post_user = rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST);

	list($user, $domain) = explode('@', $post_user);

	// direct match in default_host array
	if ($default_host[$post_host] \|\| in_array($post_host, array_values($default_host))) {
	$host = $post_host;
	}
	// try to select host by mail domain
	else if (!empty($domain)) {
	foreach ($default_host as $storage_host => $mail_domains) {
	if (is_array($mail_domains) && in_array_nocase($domain, $mail_domains)) {
	$host = $storage_host;
	break;
	}
	else if (stripos($storage_host, $domain) !== false \|\| stripos(strval($mail_domains), $domain) !== false) {
	$host = is_numeric($storage_host) ? $mail_domains : $storage_host;
	break;
	}
	}
	}

	// take the first entry if $host is still not set
	if (empty($host)) {
	list($key, $val) = each($default_host);
	$host = is_numeric($key) ? $val : $key;
	}
	}
	else if (empty($default_host)) {
	$host = rcube_utils::get_input_value('_host', rcube_utils::INPUT_POST);
	}
	else
	$host = rcube_utils::parse_host($default_host);

	return $host;
	}


	/**
	* Destroy session data and remove cookie
	*/
	public function kill_session()
	{
	$this->plugins->exec_hook('session_destroy');

	$this->session->kill();
	$_SESSION = array('language' => $this->user->language, 'temp' => true, 'skin' => $this->config->get('skin'));
	$this->user->reset();
	}


	/**
	* Do server side actions on logout
	*/
	public function logout_actions()
	{
	$config = $this->config->all();
	$storage = $this->get_storage();

	if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
	$storage->clear_folder($config['trash_mbox']);
	}

	if ($config['logout_expunge']) {
	$storage->expunge_folder('INBOX');
	}

	// Try to save unsaved user preferences
	if (!empty($_SESSION['preferences'])) {
	$this->user->save_prefs(unserialize($_SESSION['preferences']));
	}
	}


	/**
	* Generate a unique token to be used in a form request
	*
	* @return string The request token
	*/
	public function get_request_token()
	{
	$sess_id = $_COOKIE[ini_get('session.name')];
	if (!$sess_id) $sess_id = session_id();

	$plugin = $this->plugins->exec_hook('request_token', array(
	'value' => md5('RT' . $this->get_user_id() . $this->config->get('des_key') . $sess_id)));

	return $plugin['value'];
	}


	/**
	* Check if the current request contains a valid token
	*
	* @param int Request method
	* @return boolean True if request token is valid false if not
	*/
	public function check_request($mode = rcube_utils::INPUT_POST)
	{
	$token = rcube_utils::get_input_value('_token', $mode);
	$sess_id = $_COOKIE[ini_get('session.name')];
	return !empty($sess_id) && $token == $this->get_request_token();
	}


	/**
	* Create unique authorization hash
	*
	* @param string Session ID
	* @param int Timestamp
	* @return string The generated auth hash
	*/
	private function get_auth_hash($sess_id, $ts)
	{
	$auth_string = sprintf('rcmailsess%sR%sChk:%s;%s',
	$sess_id,
	$ts,
	$this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] : '*...*',
	$_SERVER['HTTP_USER_AGENT']);

	if (function_exists('sha1'))
	return sha1($auth_string);
	else
	return md5($auth_string);
	}


	/**
	* Build a valid URL to this instance of Roundcube
	*
	* @param mixed Either a string with the action or url parameters as key-value pairs
	*
	* @return string Valid application URL
	*/
	public function url($p)
	{
	if (!is_array($p)) {
	if (strpos($p, 'http') === 0)
	return $p;

	$p = array('_action' => @func_get_arg(0));
	}

	$task = $p['_task'] ? $p['_task'] : ($p['task'] ? $p['task'] : $this->task);
	$p['_task'] = $task;
	unset($p['task']);

	$url = './';
	$delm = '?';
	foreach (array_reverse($p) as $key => $val) {
	if ($val !== '' && $val !== null) {
	$par = $key[0] == '_' ? $key : '_'.$key;
	$url .= $delm.urlencode($par).'='.urlencode($val);
	$delm = '&';
	}
	}
	return $url;
	}


	/**
	* Function to be executed in script shutdown
	*/
	public function shutdown()
	{
	parent::shutdown();

	foreach ($this->address_books as $book) {
	if (is_object($book) && is_a($book, 'rcube_addressbook'))
	$book->close();
	}

	// before closing the database connection, write session data
	if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
	session_write_close();
	}

	// write performance stats to logs/console
	if ($this->config->get('devel_mode')) {
	if (function_exists('memory_get_usage'))
	$mem = $this->show_bytes(memory_get_usage());
	if (function_exists('memory_get_peak_usage'))
	$mem .= '/'.$this->show_bytes(memory_get_peak_usage());

	$log = $this->task . ($this->action ? '/'.$this->action : '') . ($mem ? " [$mem]" : '');
	if (defined('RCMAIL_START'))
	self::print_timer(RCMAIL_START, $log);
	else
	self::console($log);
	}
	}


	/**
	* Registers action aliases for current task
	*
	* @param array $map Alias-to-filename hash array
	*/
	public function register_action_map($map)
	{
	if (is_array($map)) {
	foreach ($map as $idx => $val) {
	$this->action_map[$idx] = $val;
	}
	}
	}


	/**
	* Returns current action filename
	*
	* @param array $map Alias-to-filename hash array
	*/
	public function get_action_file()
	{
	if (!empty($this->action_map[$this->action])) {
	return $this->action_map[$this->action];
	}

	return strtr($this->action, '-', '_') . '.inc';
	}


	/**
	* Fixes some user preferences according to namespace handling change.
	* Old Roundcube versions were using folder names with removed namespace prefix.
	* Now we need to add the prefix on servers where personal namespace has prefix.
	*
	* @param rcube_user $user User object
	*/
	private function fix_namespace_settings($user)
	{
	$prefix = $this->storage->get_namespace('prefix');
	$prefix_len = strlen($prefix);

	if (!$prefix_len)
	return;

	$prefs = $this->config->all();
	if (!empty($prefs['namespace_fixed']))
	return;

	// Build namespace prefix regexp
	$ns = $this->storage->get_namespace();
	$regexp = array();

	foreach ($ns as $entry) {
	if (!empty($entry)) {
	foreach ($entry as $item) {
	if (strlen($item[0])) {
	$regexp[] = preg_quote($item[0], '/');
	}
	}
	}
	}
	$regexp = '/^('. implode('\|', $regexp).')/';

	// Fix preferences
	$opts = array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox', 'archive_mbox');
	foreach ($opts as $opt) {
	if ($value = $prefs[$opt]) {
	if ($value != 'INBOX' && !preg_match($regexp, $value)) {
	$prefs[$opt] = $prefix.$value;
	}
	}
	}

	if (!empty($prefs['default_folders'])) {
	foreach ($prefs['default_folders'] as $idx => $name) {
	if ($name != 'INBOX' && !preg_match($regexp, $name)) {
	$prefs['default_folders'][$idx] = $prefix.$name;
	}
	}
	}

	if (!empty($prefs['search_mods'])) {
	$folders = array();
	foreach ($prefs['search_mods'] as $idx => $value) {
	if ($idx != 'INBOX' && $idx != '*' && !preg_match($regexp, $idx)) {
	$idx = $prefix.$idx;
	}
	$folders[$idx] = $value;
	}
	$prefs['search_mods'] = $folders;
	}

	if (!empty($prefs['message_threading'])) {
	$folders = array();
	foreach ($prefs['message_threading'] as $idx => $value) {
	if ($idx != 'INBOX' && !preg_match($regexp, $idx)) {
	$idx = $prefix.$idx;
	}
	$folders[$prefix.$idx] = $value;
	}
	$prefs['message_threading'] = $folders;
	}

	if (!empty($prefs['collapsed_folders'])) {
	$folders = explode('&&', $prefs['collapsed_folders']);
	$count = count($folders);
	$folders_str = '';

	if ($count) {
	$folders[0] = substr($folders[0], 1);
	$folders[$count-1] = substr($folders[$count-1], 0, -1);
	}

	foreach ($folders as $value) {
	if ($value != 'INBOX' && !preg_match($regexp, $value)) {
	$value = $prefix.$value;
	}
	$folders_str .= '&'.$value.'&';
	}
	$prefs['collapsed_folders'] = $folders_str;
	}

	$prefs['namespace_fixed'] = true;

	// save updated preferences and reset imap settings (default folders)
	$user->save_prefs($prefs);
	$this->set_storage_prop();
	}


	/**
	* Overwrite action variable
	*
	* @param string New action value
	*/
	public function overwrite_action($action)
	{
	$this->action = $action;
	$this->output->set_env('action', $action);
	}


	/**
	* Send the given message using the configured method.
	*
	* @param object $message Reference to Mail_MIME object
	* @param string $from Sender address string
	* @param array $mailto Array of recipient address strings
	* @param array $smtp_error SMTP error array (reference)
	* @param string $body_file Location of file with saved message body (reference),
	* used when delay_file_io is enabled
	* @param array $smtp_opts SMTP options (e.g. DSN request)
	*
	* @return boolean Send status.
	*/
	public function deliver_message(&$message, $from, $mailto, &$smtp_error, &$body_file = null, $smtp_opts = null)
	{
	$headers = $message->headers();

	// send thru SMTP server using custom SMTP library
	if ($this->config->get('smtp_server')) {
	// generate list of recipients
	$a_recipients = array($mailto);

	if (strlen($headers['Cc']))
	$a_recipients[] = $headers['Cc'];
	if (strlen($headers['Bcc']))
	$a_recipients[] = $headers['Bcc'];

	// clean Bcc from header for recipients
	$send_headers = $headers;
	unset($send_headers['Bcc']);
	// here too, it because txtHeaders() below use $message->_headers not only $send_headers
	unset($message->_headers['Bcc']);

	$smtp_headers = $message->txtHeaders($send_headers, true);

	if ($message->getParam('delay_file_io')) {
	// use common temp dir
	$temp_dir = $this->config->get('temp_dir');
	$body_file = tempnam($temp_dir, 'rcmMsg');
	if (PEAR::isError($mime_result = $message->saveMessageBody($body_file))) {
	self::raise_error(array('code' => 650, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Could not create message: ".$mime_result->getMessage()),
	TRUE, FALSE);
	return false;
	}
	$msg_body = fopen($body_file, 'r');
	}
	else {
	$msg_body = $message->get();
	}

	// send message
	if (!is_object($this->smtp)) {
	$this->smtp_init(true);
	}

	$sent = $this->smtp->send_mail($from, $a_recipients, $smtp_headers, $msg_body, $smtp_opts);
	$smtp_response = $this->smtp->get_response();
	$smtp_error = $this->smtp->get_error();

	// log error
	if (!$sent) {
	self::raise_error(array('code' => 800, 'type' => 'smtp',
	'line' => __LINE__, 'file' => __FILE__,
	'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
	}
	}
	// send mail using PHP's mail() function
	else {
	// unset some headers because they will be added by the mail() function
	$headers_enc = $message->headers($headers);
	$headers_php = $message->_headers;
	unset($headers_php['To'], $headers_php['Subject']);

	// reset stored headers and overwrite
	$message->_headers = array();
	$header_str = $message->txtHeaders($headers_php);

	// #1485779
	if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
	if (preg_match_all('/<([^@]+@[^>]+)>/', $headers_enc['To'], $m)) {
	$headers_enc['To'] = implode(', ', $m[1]);
	}
	}

	$msg_body = $message->get();

	if (PEAR::isError($msg_body)) {
	self::raise_error(array('code' => 650, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Could not create message: ".$msg_body->getMessage()),
	TRUE, FALSE);
	}
	else {
	$delim = $this->config->header_delimiter();
	$to = $headers_enc['To'];
	$subject = $headers_enc['Subject'];
	$header_str = rtrim($header_str);

	if ($delim != "\r\n") {
	$header_str = str_replace("\r\n", $delim, $header_str);
	$msg_body = str_replace("\r\n", $delim, $msg_body);
	$to = str_replace("\r\n", $delim, $to);
	$subject = str_replace("\r\n", $delim, $subject);
	}

	if (ini_get('safe_mode'))
	$sent = mail($to, $subject, $msg_body, $header_str);
	else
	$sent = mail($to, $subject, $msg_body, $header_str, "-f$from");
	}
	}

	if ($sent) {
	$this->plugins->exec_hook('message_sent', array('headers' => $headers, 'body' => $msg_body));

	// remove MDN headers after sending
	unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);

	// get all recipients
	if ($headers['Cc'])
	$mailto .= $headers['Cc'];
	if ($headers['Bcc'])
	$mailto .= $headers['Bcc'];
	if (preg_match_all('/<([^@]+@[^>]+)>/', $mailto, $m))
	$mailto = implode(', ', array_unique($m[1]));

	if ($this->config->get('smtp_log')) {
	self::write_log('sendmail', sprintf("User %s [%s]; Message for %s; %s",
	$this->user->get_username(),
	$_SERVER['REMOTE_ADDR'],
	$mailto,
	!empty($smtp_response) ? join('; ', $smtp_response) : ''));
	}
	}

	if (is_resource($msg_body)) {
	fclose($msg_body);
	}

	$message->_headers = array();
	$message->headers($headers);

	return $sent;
	}


	/**
	* Unique Message-ID generator.
	*
	* @return string Message-ID
	*/
	public function gen_message_id()
	{
	$local_part = md5(uniqid('rcmail'.mt_rand(),true));
	$domain_part = $this->user->get_username('domain');

	// Try to find FQDN, some spamfilters doesn't like 'localhost' (#1486924)
	if (!preg_match('/\.[a-z]+$/i', $domain_part)) {
	foreach (array($_SERVER['HTTP_HOST'], $_SERVER['SERVER_NAME']) as $host) {
	$host = preg_replace('/:[0-9]+$/', '', $host);
	if ($host && preg_match('/\.[a-z]+$/i', $host)) {
	$domain_part = $host;
	}
	}
	}

	return sprintf('<%s@%s>', $local_part, $domain_part);
	}


	/**
	* Returns RFC2822 formatted current date in user's timezone
	*
	* @return string Date
	*/
	public function user_date()
	{
	// get user's timezone
	try {
	$tz = new DateTimeZone($this->config->get('timezone'));
	$date = new DateTime('now', $tz);
	}
	catch (Exception $e) {
	$date = new DateTime();
	}

	return $date->format('r');
	}


	/**
	* Write login data (name, ID, IP address) to the 'userlogins' log file.
	*/
	public function log_login()
	{
	if (!$this->config->get('log_logins')) {
	return;
	}

	$user_name = $this->get_user_name();
	$user_id = $this->get_user_id();

	if (!$user_id) {
	return;
	}

	self::write_log('userlogins',
	sprintf('Successful login for %s (ID: %d) from %s in session %s',
	$user_name, $user_id, rcube_utils::remote_ip(), session_id()));
	}


	/**
	* Create a HTML table based on the given data
	*
	* @param array Named table attributes
	* @param mixed Table row data. Either a two-dimensional array or a valid SQL result set
	* @param array List of cols to show
	* @param string Name of the identifier col
	*
	* @return string HTML table code
	*/
	public function table_output($attrib, $table_data, $a_show_cols, $id_col)
	{
	$table = new html_table(/array('cols' => count($a_show_cols))/);

	// add table header
	if (!$attrib['noheader']) {
	foreach ($a_show_cols as $col) {
	$table->add_header($col, $this->Q($this->gettext($col)));
	}
	}

	if (!is_array($table_data)) {
	$db = $this->get_dbh();
	while ($table_data && ($sql_arr = $db->fetch_assoc($table_data))) {
	$table->add_row(array('id' => 'rcmrow' . rcube_utils::html_identifier($sql_arr[$id_col])));

	// format each col
	foreach ($a_show_cols as $col) {
	$table->add($col, $this->Q($sql_arr[$col]));
	}
	}
	}
	else {
	foreach ($table_data as $row_data) {
	$class = !empty($row_data['class']) ? $row_data['class'] : '';
	$rowid = 'rcmrow' . rcube_utils::html_identifier($row_data[$id_col]);

	$table->add_row(array('id' => $rowid, 'class' => $class));

	// format each col
	foreach ($a_show_cols as $col) {
	$table->add($col, $this->Q(is_array($row_data[$col]) ? $row_data[$col][0] : $row_data[$col]));
	}
	}
	}

	return $table->show($attrib);
	}


	/**
	* Convert the given date to a human readable form
	* This uses the date formatting properties from config
	*
	* @param mixed Date representation (string, timestamp or DateTime object)
	* @param string Date format to use
	* @param bool Enables date convertion according to user timezone
	*
	* @return string Formatted date string
	*/
	public function format_date($date, $format = null, $convert = true)
	{
	if (is_object($date) && is_a($date, 'DateTime')) {
	$timestamp = $date->format('U');
	}
	else {
	if (!empty($date)) {
	$timestamp = rcube_utils::strtotime($date);
	}

	if (empty($timestamp)) {
	return '';
	}

	try {
	$date = new DateTime("@".$timestamp);
	}
	catch (Exception $e) {
	return '';
	}
	}

	if ($convert) {
	try {
	// convert to the right timezone
	$stz = date_default_timezone_get();
	$tz = new DateTimeZone($this->config->get('timezone'));
	$date->setTimezone($tz);
	date_default_timezone_set($tz->getName());

	$timestamp = $date->format('U');
	}
	catch (Exception $e) {
	}
	}

	// define date format depending on current time
	if (!$format) {
	$now = time();
	$now_date = getdate($now);
	$today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
	$week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
	$pretty_date = $this->config->get('prettydate');

	if ($pretty_date && $timestamp > $today_limit && $timestamp < $now) {
	$format = $this->config->get('date_today', $this->config->get('time_format', 'H:i'));
	$today = true;
	}
	else if ($pretty_date && $timestamp > $week_limit && $timestamp < $now) {
	$format = $this->config->get('date_short', 'D H:i');
	}
	else {
	$format = $this->config->get('date_long', 'Y-m-d H:i');
	}
	}

	// strftime() format
	if (preg_match('/%[a-z]+/i', $format)) {
	$format = strftime($format, $timestamp);
	if ($stz) {
	date_default_timezone_set($stz);
	}
	return $today ? ($this->gettext('today') . ' ' . $format) : $format;
	}

	// parse format string manually in order to provide localized weekday and month names
	// an alternative would be to convert the date() format string to fit with strftime()
	$out = '';
	for ($i=0; $i<strlen($format); $i++) {
	if ($format[$i] == "\\") { // skip escape chars
	continue;
	}

	// write char "as-is"
	if ($format[$i] == ' ' \|\| $format[$i-1] == "\\") {
	$out .= $format[$i];
	}
	// weekday (short)
	else if ($format[$i] == 'D') {
	$out .= $this->gettext(strtolower(date('D', $timestamp)));
	}
	// weekday long
	else if ($format[$i] == 'l') {
	$out .= $this->gettext(strtolower(date('l', $timestamp)));
	}
	// month name (short)
	else if ($format[$i] == 'M') {
	$out .= $this->gettext(strtolower(date('M', $timestamp)));
	}
	// month name (long)
	else if ($format[$i] == 'F') {
	$out .= $this->gettext('long'.strtolower(date('M', $timestamp)));
	}
	else if ($format[$i] == 'x') {
	$out .= strftime('%x %X', $timestamp);
	}
	else {
	$out .= date($format[$i], $timestamp);
	}
	}

	if ($today) {
	$label = $this->gettext('today');
	// replcae $ character with "Today" label (#1486120)
	if (strpos($out, '$') !== false) {
	$out = preg_replace('/\$/', $label, $out, 1);
	}
	else {
	$out = $label . ' ' . $out;
	}
	}

	if ($stz) {
	date_default_timezone_set($stz);
	}

	return $out;
	}


	/**
	* Return folders list in HTML
	*
	* @param array $attrib Named parameters
	*
	* @return string HTML code for the gui object
	*/
	public function folder_list($attrib)
	{
	static $a_mailboxes;

	$attrib += array('maxlength' => 100, 'realnames' => false, 'unreadwrap' => ' (%s)');

	$rcmail = rcmail::get_instance();
	$storage = $rcmail->get_storage();

	// add some labels to client
	$rcmail->output->add_label('purgefolderconfirm', 'deletemessagesconfirm');

	$type = $attrib['type'] ? $attrib['type'] : 'ul';
	unset($attrib['type']);

	if ($type == 'ul' && !$attrib['id']) {
	$attrib['id'] = 'rcmboxlist';
	}

	if (empty($attrib['folder_name'])) {
	$attrib['folder_name'] = '*';
	}

	// get current folder
	$mbox_name = $storage->get_folder();

	// build the folders tree
	if (empty($a_mailboxes)) {
	// get mailbox list
	$a_folders = $storage->list_folders_subscribed(
	'', $attrib['folder_name'], $attrib['folder_filter']);
	$delimiter = $storage->get_hierarchy_delimiter();
	$a_mailboxes = array();

	foreach ($a_folders as $folder) {
	$rcmail->build_folder_tree($a_mailboxes, $folder, $delimiter);
	}
	}

	// allow plugins to alter the folder tree or to localize folder names
	$hook = $rcmail->plugins->exec_hook('render_mailboxlist', array(
	'list' => $a_mailboxes,
	'delimiter' => $delimiter,
	'type' => $type,
	'attribs' => $attrib,
	));

	$a_mailboxes = $hook['list'];
	$attrib = $hook['attribs'];

	if ($type == 'select') {
	$attrib['is_escaped'] = true;
	$select = new html_select($attrib);

	// add no-selection option
	if ($attrib['noselection']) {
	$select->add(html::quote($rcmail->gettext($attrib['noselection'])), '');
	}

	$rcmail->render_folder_tree_select($a_mailboxes, $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
	$out = $select->show($attrib['default']);
	}
	else {
	$js_mailboxlist = array();
	$out = html::tag('ul', $attrib, $rcmail->render_folder_tree_html($a_mailboxes, $mbox_name, $js_mailboxlist, $attrib), html::$common_attrib);

	$rcmail->output->add_gui_object('mailboxlist', $attrib['id']);
	$rcmail->output->set_env('mailboxes', $js_mailboxlist);
	$rcmail->output->set_env('unreadwrap', $attrib['unreadwrap']);
	$rcmail->output->set_env('collapsed_folders', (string)$rcmail->config->get('collapsed_folders'));
	}

	return $out;
	}


	/**
	* Return folders list as html_select object
	*
	* @param array $p Named parameters
	*
	* @return html_select HTML drop-down object
	*/
	public function folder_selector($p = array())
	{
	$p += array('maxlength' => 100, 'realnames' => false, 'is_escaped' => true);
	$a_mailboxes = array();
	$storage = $this->get_storage();

	if (empty($p['folder_name'])) {
	$p['folder_name'] = '*';
	}

	if ($p['unsubscribed']) {
	$list = $storage->list_folders('', $p['folder_name'], $p['folder_filter'], $p['folder_rights']);
	}
	else {
	$list = $storage->list_folders_subscribed('', $p['folder_name'], $p['folder_filter'], $p['folder_rights']);
	}

	$delimiter = $storage->get_hierarchy_delimiter();

	foreach ($list as $folder) {
	if (empty($p['exceptions']) \|\| !in_array($folder, $p['exceptions'])) {
	$this->build_folder_tree($a_mailboxes, $folder, $delimiter);
	}
	}

	$select = new html_select($p);

	if ($p['noselection']) {
	$select->add(html::quote($p['noselection']), '');
	}

	$this->render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames'], 0, $p);

	return $select;
	}


	/**
	* Create a hierarchical array of the mailbox list
	*/
	public function build_folder_tree(&$arrFolders, $folder, $delm = '/', $path = '')
	{
	// Handle namespace prefix
	$prefix = '';
	if (!$path) {
	$n_folder = $folder;
	$folder = $this->storage->mod_folder($folder);

	if ($n_folder != $folder) {
	$prefix = substr($n_folder, 0, -strlen($folder));
	}
	}

	$pos = strpos($folder, $delm);

	if ($pos !== false) {
	$subFolders = substr($folder, $pos+1);
	$currentFolder = substr($folder, 0, $pos);

	// sometimes folder has a delimiter as the last character
	if (!strlen($subFolders)) {
	$virtual = false;
	}
	else if (!isset($arrFolders[$currentFolder])) {
	$virtual = true;
	}
	else {
	$virtual = $arrFolders[$currentFolder]['virtual'];
	}
	}
	else {
	$subFolders = false;
	$currentFolder = $folder;
	$virtual = false;
	}

	$path .= $prefix . $currentFolder;

	if (!isset($arrFolders[$currentFolder])) {
	$arrFolders[$currentFolder] = array(
	'id' => $path,
	'name' => rcube_charset::convert($currentFolder, 'UTF7-IMAP'),
	'virtual' => $virtual,
	'folders' => array());
	}
	else {
	$arrFolders[$currentFolder]['virtual'] = $virtual;
	}

	if (strlen($subFolders)) {
	$this->build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
	}
	}


	/**
	* Return html for a structured list <ul> for the mailbox tree
	*/
	public function render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel = 0)
	{
	$maxlength = intval($attrib['maxlength']);
	$realnames = (bool)$attrib['realnames'];
	$msgcounts = $this->storage->get_cache('messagecount');
	$collapsed = $this->config->get('collapsed_folders');

	$out = '';
	foreach ($arrFolders as $key => $folder) {
	$title = null;
	$folder_class = $this->folder_classname($folder['id']);
	$is_collapsed = strpos($collapsed, '&'.rawurlencode($folder['id']).'&') !== false;
	$unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;

	if ($folder_class && !$realnames) {
	$foldername = $this->gettext($folder_class);
	}
	else {
	$foldername = $folder['name'];

	// shorten the folder name to a given length
	if ($maxlength && $maxlength > 1) {
	$fname = abbreviate_string($foldername, $maxlength);
	if ($fname != $foldername) {
	$title = $foldername;
	}
	$foldername = $fname;
	}
	}

	// make folder name safe for ids and class names
	$folder_id = rcube_utils::html_identifier($folder['id'], true);
	$classes = array('mailbox');

	// set special class for Sent, Drafts, Trash and Junk
	if ($folder_class) {
	$classes[] = $folder_class;
	}

	if ($folder['id'] == $mbox_name) {
	$classes[] = 'selected';
	}

	if ($folder['virtual']) {
	$classes[] = 'virtual';
	}
	else if ($unread) {
	$classes[] = 'unread';
	}

	$js_name = $this->JQ($folder['id']);
	$html_name = $this->Q($foldername) . ($unread ? html::span('unreadcount', sprintf($attrib['unreadwrap'], $unread)) : '');
	$link_attrib = $folder['virtual'] ? array() : array(
	'href' => $this->url(array('_mbox' => $folder['id'])),
	'onclick' => sprintf("return %s.command('list','%s',this)", rcmail::JS_OBJECT_NAME, $js_name),
	'rel' => $folder['id'],
	'title' => $title,
	);

	$out .= html::tag('li', array(
	'id' => "rcmli".$folder_id,
	'class' => join(' ', $classes),
	'noclose' => true),
	html::a($link_attrib, $html_name) .
	(!empty($folder['folders']) ? html::div(array(
	'class' => ($is_collapsed ? 'collapsed' : 'expanded'),
	'style' => "position:absolute",
	'onclick' => sprintf("%s.command('collapse-folder', '%s')", rcmail::JS_OBJECT_NAME, $js_name)
	), ' ') : ''));

	$jslist[$folder_id] = array(
	'id' => $folder['id'],
	'name' => $foldername,
	'virtual' => $folder['virtual']
	);

	if (!empty($folder['folders'])) {
	$out .= html::tag('ul', array('style' => ($is_collapsed ? "display:none;" : null)),
	$this->render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
	}

	$out .= "</li>\n";
	}

	return $out;
	}


	/**
	* Return html for a flat list <select> for the mailbox tree
	*/
	public function render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames = false, $nestLevel = 0, $opts = array())
	{
	$out = '';

	foreach ($arrFolders as $key => $folder) {
	// skip exceptions (and its subfolders)
	if (!empty($opts['exceptions']) && in_array($folder['id'], $opts['exceptions'])) {
	continue;
	}

	// skip folders in which it isn't possible to create subfolders
	if (!empty($opts['skip_noinferiors'])) {
	$attrs = $this->storage->folder_attributes($folder['id']);
	if ($attrs && in_array('\\Noinferiors', $attrs)) {
	continue;
	}
	}

	if (!$realnames && ($folder_class = $this->folder_classname($folder['id']))) {
	$foldername = $this->gettext($folder_class);
	}
	else {
	$foldername = $folder['name'];

	// shorten the folder name to a given length
	if ($maxlength && $maxlength > 1) {
	$foldername = abbreviate_string($foldername, $maxlength);
	}
	}

	$select->add(str_repeat(' ', $nestLevel*4) . html::quote($foldername), $folder['id']);

	if (!empty($folder['folders'])) {
	$out .= $this->render_folder_tree_select($folder['folders'], $mbox_name, $maxlength,
	$select, $realnames, $nestLevel+1, $opts);
	}
	}

	return $out;
	}


	/**
	* Return internal name for the given folder if it matches the configured special folders
	*/
	public function folder_classname($folder_id)
	{
	if ($folder_id == 'INBOX') {
	return 'inbox';
	}

	// for these mailboxes we have localized labels and css classes
	foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx)
	{
	if ($folder_id === $this->config->get($smbx.'_mbox')) {
	return $smbx;
	}
	}
	}


	/**
	* Try to localize the given IMAP folder name.
	* UTF-7 decode it in case no localized text was found
	*
	* @param string $name Folder name
	*
	* @return string Localized folder name in UTF-8 encoding
	*/
	public function localize_foldername($name)
	{
	if ($folder_class = $this->folder_classname($name)) {
	return $this->gettext($folder_class);
	}
	else {
	return rcube_charset::convert($name, 'UTF7-IMAP');
	}
	}


	public function localize_folderpath($path)
	{
	$protect_folders = $this->config->get('protect_default_folders');
	$default_folders = (array) $this->config->get('default_folders');
	$delimiter = $this->storage->get_hierarchy_delimiter();
	$path = explode($delimiter, $path);
	$result = array();

	foreach ($path as $idx => $dir) {
	$directory = implode($delimiter, array_slice($path, 0, $idx+1));
	if ($protect_folders && in_array($directory, $default_folders)) {
	unset($result);
	$result[] = $this->localize_foldername($directory);
	}
	else {
	$result[] = rcube_charset::convert($dir, 'UTF7-IMAP');
	}
	}

	return implode($delimiter, $result);
	}


	public static function quota_display($attrib)
	{
	$rcmail = rcmail::get_instance();

	if (!$attrib['id']) {
	$attrib['id'] = 'rcmquotadisplay';
	}

	$_SESSION['quota_display'] = !empty($attrib['display']) ? $attrib['display'] : 'text';

	$rcmail->output->add_gui_object('quotadisplay', $attrib['id']);

	$quota = $rcmail->quota_content($attrib);

	$rcmail->output->add_script('rcmail.set_quota('.rcube_output::json_serialize($quota).');', 'docready');

	return html::span($attrib, '');
	}


	public function quota_content($attrib = null)
	{
	$quota = $this->storage->get_quota();
	$quota = $this->plugins->exec_hook('quota', $quota);

	$quota_result = (array) $quota;
	$quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';

	if (!$quota['total'] && $this->config->get('quota_zero_as_unlimited')) {
	$quota_result['title'] = $this->gettext('unlimited');
	$quota_result['percent'] = 0;
	}
	else if ($quota['total']) {
	if (!isset($quota['percent'])) {
	$quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
	}

	$title = sprintf('%s / %s (%.0f%%)',
	$this->show_bytes($quota['used'] * 1024), $this->show_bytes($quota['total'] * 1024),
	$quota_result['percent']);

	$quota_result['title'] = $title;

	if ($attrib['width']) {
	$quota_result['width'] = $attrib['width'];
	}
	if ($attrib['height']) {
	$quota_result['height'] = $attrib['height'];
	}
	}
	else {
	$quota_result['title'] = $this->gettext('unknown');
	$quota_result['percent'] = 0;
	}

	return $quota_result;
	}


	/**
	* Outputs error message according to server error/response codes
	*
	* @param string $fallback Fallback message label
	* @param array $fallback_args Fallback message label arguments
	*/
	public function display_server_error($fallback = null, $fallback_args = null)
	{
	$err_code = $this->storage->get_error_code();
	$res_code = $this->storage->get_response_code();

	if ($res_code == rcube_storage::NOPERM) {
	$this->output->show_message('errornoperm', 'error');
	}
	else if ($res_code == rcube_storage::READONLY) {
	$this->output->show_message('errorreadonly', 'error');
	}
	else if ($err_code && ($err_str = $this->storage->get_error_str())) {
	// try to detect access rights problem and display appropriate message
	if (stripos($err_str, 'Permission denied') !== false) {
	$this->output->show_message('errornoperm', 'error');
	}
	else {
	$this->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
	}
	}
	else if ($err_code < 0) {
	$this->output->show_message('storageerror', 'error');
	}
	else if ($fallback) {
	$this->output->show_message($fallback, 'error', $fallback_args);
	}
	}


	/**
	* Output HTML editor scripts
	*
	* @param string $mode Editor mode
	*/
	public function html_editor($mode = '')
	{
	$hook = $this->plugins->exec_hook('html_editor', array('mode' => $mode));

	if ($hook['abort']) {
	return;
	}

	$lang = strtolower($_SESSION['language']);

	// TinyMCE uses two-letter lang codes, with exception of Chinese
	if (strpos($lang, 'zh_') === 0) {
	$lang = str_replace('_', '-', $lang);
	}
	else {
	$lang = substr($lang, 0, 2);
	}

	if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$lang.'.js')) {
	$lang = 'en';
	}

	$script = json_encode(array(
	'mode' => $mode,
	'lang' => $lang,
	'skin_path' => $this->output->get_skin_path(),
	'spellcheck' => intval($this->config->get('enable_spellcheck')),
	'spelldict' => intval($this->config->get('spellcheck_dictionary'))
	));

	$this->output->include_script('tiny_mce/tiny_mce.js');
	$this->output->include_script('editor.js');
	$this->output->add_script("rcmail_editor_init($script)", 'docready');
	}


	/**
	* Replaces TinyMCE's emoticon images with plain-text representation
	*
	* @param string $html HTML content
	*
	* @return string HTML content
	*/
	public static function replace_emoticons($html)
	{
	$emoticons = array(
	'8-)' => 'smiley-cool',
	':-#' => 'smiley-foot-in-mouth',
	':-*' => 'smiley-kiss',
	':-X' => 'smiley-sealed',
	':-P' => 'smiley-tongue-out',
	':-@' => 'smiley-yell',
	":'(" => 'smiley-cry',
	':-(' => 'smiley-frown',
	':-D' => 'smiley-laughing',
	':-)' => 'smiley-smile',
	':-S' => 'smiley-undecided',
	':-$' => 'smiley-embarassed',
	'O:-)' => 'smiley-innocent',
	':-\|' => 'smiley-money-mouth',
	':-O' => 'smiley-surprised',
	';-)' => 'smiley-wink',
	);

	foreach ($emoticons as $idx => $file) {
	// <img title="Cry" src="http://.../program/js/tiny_mce/plugins/emotions/img/smiley-cry.gif" border="0" alt="Cry" />
	$search[] = '/<img title="[a-z ]+" src="https?:\/\/[a-z0-9_.\/-]+\/tiny_mce\/plugins\/emotions\/img\/'.$file.'.gif"[^>]+\/>/i';
	$replace[] = $idx;
	}

	return preg_replace($search, $replace, $html);
	}


	/**
	* File upload progress handler.
	*/
	public function upload_progress()
	{
	$prefix = ini_get('apc.rfc1867_prefix');
	$params = array(
	'action' => $this->action,
	'name' => rcube_utils::get_input_value('_progress', rcube_utils::INPUT_GET),
	);

	if (function_exists('apc_fetch')) {
	$status = apc_fetch($prefix . $params['name']);

	if (!empty($status)) {
	$status['percent'] = round($status['current']/$status['total']*100);
	$params = array_merge($status, $params);
	}
	}

	if (isset($params['percent']))
	$params['text'] = $this->gettext(array('name' => 'uploadprogress', 'vars' => array(
	'percent' => $params['percent'] . '%',
	'current' => $this->show_bytes($params['current']),
	'total' => $this->show_bytes($params['total'])
	)));

	$this->output->command('upload_progress_update', $params);
	$this->output->send();
	}


	/**
	* Initializes file uploading interface.
	*/
	public function upload_init()
	{
	// Enable upload progress bar
	if (($seconds = $this->config->get('upload_progress')) && ini_get('apc.rfc1867')) {
	if ($field_name = ini_get('apc.rfc1867_name')) {
	$this->output->set_env('upload_progress_name', $field_name);
	$this->output->set_env('upload_progress_time', (int) $seconds);
	}
	}

	// find max filesize value
	$max_filesize = parse_bytes(ini_get('upload_max_filesize'));
	$max_postsize = parse_bytes(ini_get('post_max_size'));
	if ($max_postsize && $max_postsize < $max_filesize) {
	$max_filesize = $max_postsize;
	}

	$this->output->set_env('max_filesize', $max_filesize);
	$max_filesize = self::show_bytes($max_filesize);
	$this->output->set_env('filesizeerror', $this->gettext(array(
	'name' => 'filesizeerror', 'vars' => array('size' => $max_filesize))));

	return $max_filesize;
	}


	/**
	* Initializes client-side autocompletion.
	*/
	public function autocomplete_init()
	{
	static $init;

	if ($init) {
	return;
	}

	$init = 1;

	if (($threads = (int)$this->config->get('autocomplete_threads')) > 0) {
	$book_types = (array) $this->config->get('autocomplete_addressbooks', 'sql');
	if (count($book_types) > 1) {
	$this->output->set_env('autocomplete_threads', $threads);
	$this->output->set_env('autocomplete_sources', $book_types);
	}
	}

	$this->output->set_env('autocomplete_max', (int)$this->config->get('autocomplete_max', 15));
	$this->output->set_env('autocomplete_min_length', $this->config->get('autocomplete_min_length'));
	$this->output->add_label('autocompletechars', 'autocompletemore');
	}


	/**
	* Returns supported font-family specifications
	*
	* @param string $font Font name
	*
	* @param string\|array Font-family specification array or string (if $font is used)
	*/
	public static function font_defs($font = null)
	{
	$fonts = array(
	'Andale Mono' => '"Andale Mono",Times,monospace',
	'Arial' => 'Arial,Helvetica,sans-serif',
	'Arial Black' => '"Arial Black","Avant Garde",sans-serif',
	'Book Antiqua' => '"Book Antiqua",Palatino,serif',
	'Courier New' => '"Courier New",Courier,monospace',
	'Georgia' => 'Georgia,Palatino,serif',
	'Helvetica' => 'Helvetica,Arial,sans-serif',
	'Impact' => 'Impact,Chicago,sans-serif',
	'Tahoma' => 'Tahoma,Arial,Helvetica,sans-serif',
	'Terminal' => 'Terminal,Monaco,monospace',
	'Times New Roman' => '"Times New Roman",Times,serif',
	'Trebuchet MS' => '"Trebuchet MS",Geneva,sans-serif',
	'Verdana' => 'Verdana,Geneva,sans-serif',
	);

	if ($font) {
	return $fonts[$font];
	}

	return $fonts;
	}


	/**
	* Create a human readable string for a number of bytes
	*
	* @param int Number of bytes
	*
	* @return string Byte string
	*/
	public function show_bytes($bytes)
	{
	if ($bytes >= 1073741824) {
	$gb = $bytes/1073741824;
	$str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . $this->gettext('GB');
	}
	else if ($bytes >= 1048576) {
	$mb = $bytes/1048576;
	$str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . $this->gettext('MB');
	}
	else if ($bytes >= 1024) {
	$str = sprintf("%d ", round($bytes/1024)) . $this->gettext('KB');
	}
	else {
	$str = sprintf('%d ', $bytes) . $this->gettext('B');
	}

	return $str;
	}


	/**
	* Quote a given string.
	* Shortcut function for rcube_utils::rep_specialchars_output()
	*
	* @return string HTML-quoted string
	*/
	public static function Q($str, $mode = 'strict', $newlines = true)
	{
	return rcube_utils::rep_specialchars_output($str, 'html', $mode, $newlines);
	}


	/**
	* Quote a given string for javascript output.
	* Shortcut function for rcube_utils::rep_specialchars_output()
	*
	* @return string JS-quoted string
	*/
	public static function JQ($str)
	{
	return rcube_utils::rep_specialchars_output($str, 'js');
	}


	/**
	* Returns real size (calculated) of the message part
	*
	* @param rcube_message_part Message part
	*
	* @return string Part size (and unit)
	*/
	public function message_part_size($part)
	{
	if (isset($part->d_parameters['size'])) {
	$size = $this->show_bytes((int)$part->d_parameters['size']);
	}
	else {
	$size = $part->size;
	if ($part->encoding == 'base64') {
	$size = $size / 1.33;
	}

	$size = '~' . $this->show_bytes($size);
	}

	return $size;
	}


	/************************************************************************
	******* Deprecated methods (to be removed) *******
	***********************************************************************/

	public static function setcookie($name, $value, $exp = 0)
	{
	rcube_utils::setcookie($name, $value, $exp);
	}

	public function imap_connect()
	{
	return $this->storage_connect();
	}

	public function imap_init()
	{
	return $this->storage_init();
	}

	/**
	* Connect to the mail storage server with stored session data
	*
	* @return bool True on success, False on error
	*/
	public function storage_connect()
	{
	$storage = $this->get_storage();

	if ($_SESSION['storage_host'] && !$storage->is_connected()) {
	$host = $_SESSION['storage_host'];
	$user = $_SESSION['username'];
	$port = $_SESSION['storage_port'];
	$ssl = $_SESSION['storage_ssl'];
	$pass = $this->decrypt($_SESSION['password']);

	if (!$storage->connect($host, $user, $pass, $port, $ssl)) {
	if (is_object($this->output)) {
	$this->output->show_message('storageerror', 'error');
	}
	}
	else {
	$this->set_storage_prop();
	}
	}

	return $storage->is_connected();
	}
	}
	diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
	index 1f165ba4a..bbc3e9c6e 100644
	--- a/program/include/rcube_config.php
	+++ b/program/include/rcube_config.php
	@@ -1,431 +1,433 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/include/rcube_config.php \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2008-2012, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Class to read configuration settings \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	/**
	* Configuration class for Roundcube
	*
	* @package Core
	*/
	class rcube_config
	{
	const DEFAULT_SKIN = 'larry';

	private $prop = array();
	private $errors = array();
	private $userprefs = array();

	/**
	* Renamed options
	*
	* @var array
	*/
	private $legacy_props = array(
	// new name => old name
	'default_folders' => 'default_imap_folders',
	'mail_pagesize' => 'pagesize',
	'addressbook_pagesize' => 'pagesize',
	'reply_mode' => 'top_posting',
	+ 'refresh_interval' => 'keep_alive',
	+ 'min_refresh_interval' => 'min_keep_alive',
	);


	/**
	* Object constructor
	*/
	public function __construct()
	{
	$this->load();

	// Defaults, that we do not require you to configure,
	// but contain information that is used in various
	// locations in the code:
	$this->set('contactlist_fields', array('name', 'firstname', 'surname', 'email'));
	}


	/**
	* Load config from local config file
	*
	* @todo Remove global $CONFIG
	*/
	private function load()
	{
	// load main config file
	if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/main.inc.php'))
	$this->errors[] = 'main.inc.php was not found.';

	// load database config
	if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/db.inc.php'))
	$this->errors[] = 'db.inc.php was not found.';

	// load host-specific configuration
	$this->load_host_config();

	// set skin (with fallback to old 'skin_path' property)
	if (empty($this->prop['skin'])) {
	if (!empty($this->prop['skin_path'])) {
	$this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
	}
	else {
	$this->prop['skin'] = self::DEFAULT_SKIN;
	}
	}

	// larry is the new default skin :-)
	if ($this->prop['skin'] == 'default')
	$this->prop['skin'] = self::DEFAULT_SKIN;

	// fix paths
	$this->prop['log_dir'] = $this->prop['log_dir'] ? realpath(unslashify($this->prop['log_dir'])) : INSTALL_PATH . 'logs';
	$this->prop['temp_dir'] = $this->prop['temp_dir'] ? realpath(unslashify($this->prop['temp_dir'])) : INSTALL_PATH . 'temp';

	// fix default imap folders encoding
	foreach (array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox') as $folder)
	$this->prop[$folder] = rcube_charset::convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP');

	if (!empty($this->prop['default_folders']))
	foreach ($this->prop['default_folders'] as $n => $folder)
	$this->prop['default_folders'][$n] = rcube_charset::convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP');

	// set PHP error logging according to config
	if ($this->prop['debug_level'] & 1) {
	ini_set('log_errors', 1);

	if ($this->prop['log_driver'] == 'syslog') {
	ini_set('error_log', 'syslog');
	}
	else {
	ini_set('error_log', $this->prop['log_dir'].'/errors');
	}
	}

	// enable display_errors in 'show' level, but not for ajax requests
	ini_set('display_errors', intval(empty($_REQUEST['_remote']) && ($this->prop['debug_level'] & 4)));

	// set timezone auto settings values
	if ($this->prop['timezone'] == 'auto') {
	$this->prop['_timezone_value'] = $this->client_timezone();
	}
	else if (is_numeric($this->prop['timezone']) && ($tz = timezone_name_from_abbr("", $this->prop['timezone'] * 3600, 0))) {
	$this->prop['timezone'] = $tz;
	}
	else if (empty($this->prop['timezone'])) {
	$this->prop['timezone'] = 'UTC';
	}

	// remove deprecated properties
	unset($this->prop['dst_active']);

	// export config data
	$GLOBALS['CONFIG'] = &$this->prop;
	}

	/**
	* Load a host-specific config file if configured
	* This will merge the host specific configuration with the given one
	*/
	private function load_host_config()
	{
	$fname = null;

	if (is_array($this->prop['include_host_config'])) {
	$fname = $this->prop['include_host_config'][$_SERVER['HTTP_HOST']];
	}
	else if (!empty($this->prop['include_host_config'])) {
	$fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
	}

	if ($fname) {
	$this->load_from_file(RCMAIL_CONFIG_DIR . '/' . $fname);
	}
	}


	/**
	* Read configuration from a file
	* and merge with the already stored config values
	*
	* @param string $fpath Full path to the config file to be loaded
	* @return booelan True on success, false on failure
	*/
	public function load_from_file($fpath)
	{
	if (is_file($fpath) && is_readable($fpath)) {
	// use output buffering, we don't need any output here
	ob_start();
	include($fpath);
	ob_end_clean();

	if (is_array($rcmail_config)) {
	$this->prop = array_merge($this->prop, $rcmail_config, $this->userprefs);
	return true;
	}
	}

	return false;
	}


	/**
	* Getter for a specific config parameter
	*
	* @param string $name Parameter name
	* @param mixed $def Default value if not set
	* @return mixed The requested config value
	*/
	public function get($name, $def = null)
	{
	if (isset($this->prop[$name])) {
	$result = $this->prop[$name];
	}
	else if (isset($this->legacy_props[$name])) {
	return $this->get($this->legacy_props[$name], $def);
	}
	else {
	$result = $def;
	}

	$rcube = rcube::get_instance();

	if ($name == 'timezone' && isset($this->prop['_timezone_value']))
	$result = $this->prop['_timezone_value'];

	$plugin = $rcube->plugins->exec_hook('config_get', array(
	'name' => $name, 'default' => $def, 'result' => $result));

	return $plugin['result'];
	}


	/**
	* Setter for a config parameter
	*
	* @param string $name Parameter name
	* @param mixed $value Parameter value
	*/
	public function set($name, $value)
	{
	$this->prop[$name] = $value;
	}


	/**
	* Override config options with the given values (eg. user prefs)
	*
	* @param array $prefs Hash array with config props to merge over
	*/
	public function merge($prefs)
	{
	$this->prop = array_merge($this->prop, $prefs, $this->userprefs);
	}


	/**
	* Merge the given prefs over the current config
	* and make sure that they survive further merging.
	*
	* @param array $prefs Hash array with user prefs
	*/
	public function set_user_prefs($prefs)
	{
	// Honor the dont_override setting for any existing user preferences
	$dont_override = $this->get('dont_override');
	if (is_array($dont_override) && !empty($dont_override)) {
	foreach ($dont_override as $key) {
	unset($prefs[$key]);
	}
	}

	// convert user's timezone into the new format
	if (is_numeric($prefs['timezone']) && ($tz = timezone_name_from_abbr('', $prefs['timezone'] * 3600, 0))) {
	$prefs['timezone'] = $tz;
	}

	// larry is the new default skin :-)
	if ($prefs['skin'] == 'default') {
	$prefs['skin'] = self::DEFAULT_SKIN;
	}

	$this->userprefs = $prefs;
	$this->prop = array_merge($this->prop, $prefs);

	// override timezone settings with client values
	if ($this->prop['timezone'] == 'auto') {
	$this->prop['_timezone_value'] = isset($_SESSION['timezone']) ? $this->client_timezone() : $this->prop['_timezone_value'];
	}
	else if (isset($this->prop['_timezone_value']))
	unset($this->prop['_timezone_value']);
	}


	/**
	* Getter for all config options
	*
	* @return array Hash array containg all config properties
	*/
	public function all()
	{
	return $this->prop;
	}

	/**
	* Special getter for user's timezone offset including DST
	*
	* @return float Timezone offset (in hours)
	* @deprecated
	*/
	public function get_timezone()
	{
	if ($tz = $this->get('timezone')) {
	try {
	$tz = new DateTimeZone($tz);
	return $tz->getOffset(new DateTime('now')) / 3600;
	}
	catch (Exception $e) {
	}
	}

	return 0;
	}

	/**
	* Return requested DES crypto key.
	*
	* @param string $key Crypto key name
	* @return string Crypto key
	*/
	public function get_crypto_key($key)
	{
	// Bomb out if the requested key does not exist
	if (!array_key_exists($key, $this->prop)) {
	rcube::raise_error(array(
	'code' => 500, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Request for unconfigured crypto key \"$key\""
	), true, true);
	}

	$key = $this->prop[$key];

	// Bomb out if the configured key is not exactly 24 bytes long
	if (strlen($key) != 24) {
	rcube::raise_error(array(
	'code' => 500, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Configured crypto key '$key' is not exactly 24 bytes long"
	), true, true);
	}

	return $key;
	}


	/**
	* Try to autodetect operating system and find the correct line endings
	*
	* @return string The appropriate mail header delimiter
	*/
	public function header_delimiter()
	{
	// use the configured delimiter for headers
	if (!empty($this->prop['mail_header_delimiter'])) {
	$delim = $this->prop['mail_header_delimiter'];
	if ($delim == "\n" \|\| $delim == "\r\n")
	return $delim;
	else
	rcube::raise_error(array(
	'code' => 500, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Invalid mail_header_delimiter setting"
	), true, false);
	}

	$php_os = strtolower(substr(PHP_OS, 0, 3));

	if ($php_os == 'win')
	return "\r\n";

	if ($php_os == 'mac')
	return "\r\n";

	return "\n";
	}


	/**
	* Return the mail domain configured for the given host
	*
	* @param string $host IMAP host
	* @param boolean $encode If true, domain name will be converted to IDN ASCII
	* @return string Resolved SMTP host
	*/
	public function mail_domain($host, $encode=true)
	{
	$domain = $host;

	if (is_array($this->prop['mail_domain'])) {
	if (isset($this->prop['mail_domain'][$host]))
	$domain = $this->prop['mail_domain'][$host];
	}
	else if (!empty($this->prop['mail_domain'])) {
	$domain = rcube_utils::parse_host($this->prop['mail_domain']);
	}

	if ($encode) {
	$domain = rcube_utils::idn_to_ascii($domain);
	}

	return $domain;
	}


	/**
	* Getter for error state
	*
	* @return mixed Error message on error, False if no errors
	*/
	public function get_error()
	{
	return empty($this->errors) ? false : join("\n", $this->errors);
	}


	/**
	* Internal getter for client's (browser) timezone identifier
	*/
	private function client_timezone()
	{
	if (isset($_SESSION['timezone']) && is_numeric($_SESSION['timezone'])
	&& ($ctz = timezone_name_from_abbr("", $_SESSION['timezone'] * 3600, 0))) {
	return $ctz;
	}
	else if (!empty($_SESSION['timezone'])) {
	try {
	$tz = timezone_open($_SESSION['timezone']);
	return $tz->getName();
	}
	catch (Exception $e) { /* gracefully ignore */ }
	}

	// fallback to server's timezone
	return date_default_timezone_get();
	}

	}
	diff --git a/program/js/app.js b/program/js/app.js
	index 25fddf10c..fb9c299ec 100644
	--- a/program/js/app.js
	+++ b/program/js/app.js
	@@ -1,6785 +1,6784 @@
	/*
	+-----------------------------------------------------------------------+
	\| Roundcube Webmail Client Script \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2012, The Roundcube Dev Team \|
	\| Copyright (C) 2011, Kolab Systems AG \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Authors: Thomas Bruederli <roundcube@gmail.com> \|
	\| Aleksander 'A.L.E.C' Machniak <alec@alec.pl> \|
	\| Charles McNulty <charles@charlesmcnulty.com> \|
	+-----------------------------------------------------------------------+
	\| Requires: jquery.js, common.js, list.js \|
	+-----------------------------------------------------------------------+
	*/

	function rcube_webmail()
	{
	this.env = { recipients_separator:',', recipients_delimiter:', ' };
	this.labels = {};
	this.buttons = {};
	this.buttons_sel = {};
	this.gui_objects = {};
	this.gui_containers = {};
	this.commands = {};
	this.command_handlers = {};
	this.onloads = [];
	this.messages = {};
	this.group2expand = {};

	// create protected reference to myself
	this.ref = 'rcmail';
	var ref = this;

	// webmail client settings
	this.dblclick_time = 500;
	this.message_time = 4000;

	this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');

	// default environment vars
	- this.env.keep_alive = 60; // seconds
	this.env.request_timeout = 180; // seconds
	this.env.draft_autosave = 0; // seconds
	this.env.comm_path = './';
	this.env.blankpage = 'program/resources/blank.gif';

	// set jQuery ajax options
	$.ajaxSetup({
	cache: false,
	timeout: this.env.request_timeout * 1000,
	error: function(request, status, err){ ref.http_error(request, status, err); },
	beforeSend: function(xmlhttp){ xmlhttp.setRequestHeader('X-Roundcube-Request', ref.env.request_token); }
	});

	$(window).bind('beforeunload', function() { rcmail.unload = true; });

	// set environment variable(s)
	this.set_env = function(p, value)
	{
	if (p != null && typeof p === 'object' && !value)
	for (var n in p)
	this.env[n] = p[n];
	else
	this.env[p] = value;
	};

	// add a localized label to the client environment
	this.add_label = function(p, value)
	{
	if (typeof p == 'string')
	this.labels[p] = value;
	else if (typeof p == 'object')
	$.extend(this.labels, p);
	};

	// add a button to the button list
	this.register_button = function(command, id, type, act, sel, over)
	{
	if (!this.buttons[command])
	this.buttons[command] = [];

	var button_prop = {id:id, type:type};
	if (act) button_prop.act = act;
	if (sel) button_prop.sel = sel;
	if (over) button_prop.over = over;

	this.buttons[command].push(button_prop);

	if (this.loaded)
	init_button(command, button_prop);
	};

	// register a specific gui object
	this.gui_object = function(name, id)
	{
	this.gui_objects[name] = this.loaded ? rcube_find_object(id) : id;
	};

	// register a container object
	this.gui_container = function(name, id)
	{
	this.gui_containers[name] = id;
	};

	// add a GUI element (html node) to a specified container
	this.add_element = function(elm, container)
	{
	if (this.gui_containers[container] && this.gui_containers[container].jquery)
	this.gui_containers[container].append(elm);
	};

	// register an external handler for a certain command
	this.register_command = function(command, callback, enable)
	{
	this.command_handlers[command] = callback;

	if (enable)
	this.enable_command(command, true);
	};

	// execute the given script on load
	this.add_onload = function(f)
	{
	this.onloads.push(f);
	};

	// initialize webmail client
	this.init = function()
	{
	var n, p = this;
	this.task = this.env.task;

	// check browser
	if (!bw.dom \|\| !bw.xmlhttp_test() \|\| (bw.mz && bw.vendver < 1.9)) {
	this.goto_url('error', '_code=0x199');
	return;
	}

	// find all registered gui containers
	for (n in this.gui_containers)
	this.gui_containers[n] = $('#'+this.gui_containers[n]);

	// find all registered gui objects
	for (n in this.gui_objects)
	this.gui_objects[n] = rcube_find_object(this.gui_objects[n]);

	// clickjacking protection
	if (this.env.x_frame_options) {
	try {
	// bust frame if not allowed
	if (this.env.x_frame_options == 'deny' && top.location.href != self.location.href)
	top.location.href = self.location.href;
	else if (top.location.hostname != self.location.hostname)
	throw 1;
	} catch (e) {
	// possible clickjacking attack: disable all form elements
	$('form').each(function(){ ref.lock_form(this, true); });
	this.display_message("Blocked: possible clickjacking attack!", 'error');
	return;
	}
	}

	// init registered buttons
	this.init_buttons();

	// tell parent window that this frame is loaded
	if (this.is_framed()) {
	parent.rcmail.set_busy(false, null, parent.rcmail.env.frame_lock);
	parent.rcmail.env.frame_lock = null;
	}

	// enable general commands
	this.enable_command('close', 'logout', 'mail', 'addressbook', 'settings', 'save-pref', 'compose', 'undo', 'about', 'switch-task', true);

	if (this.env.permaurl)
	this.enable_command('permaurl', 'extwin', true);

	switch (this.task) {

	case 'mail':
	// enable mail commands
	this.enable_command('list', 'checkmail', 'add-contact', 'search', 'reset-search', 'collapse-folder', true);

	if (this.gui_objects.messagelist) {

	this.message_list = new rcube_list_widget(this.gui_objects.messagelist, {
	multiselect:true, multiexpand:true, draggable:true, keyboard:true,
	column_movable:this.env.col_movable, dblclick_time:this.dblclick_time
	});
	this.message_list.row_init = function(o){ p.init_message_row(o); };
	this.message_list.addEventListener('dblclick', function(o){ p.msglist_dbl_click(o); });
	this.message_list.addEventListener('click', function(o){ p.msglist_click(o); });
	this.message_list.addEventListener('keypress', function(o){ p.msglist_keypress(o); });
	this.message_list.addEventListener('select', function(o){ p.msglist_select(o); });
	this.message_list.addEventListener('dragstart', function(o){ p.drag_start(o); });
	this.message_list.addEventListener('dragmove', function(e){ p.drag_move(e); });
	this.message_list.addEventListener('dragend', function(e){ p.drag_end(e); });
	this.message_list.addEventListener('expandcollapse', function(e){ p.msglist_expand(e); });
	this.message_list.addEventListener('column_replace', function(e){ p.msglist_set_coltypes(e); });

	document.onmouseup = function(e){ return p.doc_mouse_up(e); };
	this.gui_objects.messagelist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };

	this.message_list.init();
	this.enable_command('toggle_status', 'toggle_flag', 'menu-open', 'menu-save', 'sort', true);

	// load messages
	this.command('list');
	}

	if (this.gui_objects.qsearchbox) {
	if (this.env.search_text != null) {
	this.gui_objects.qsearchbox.value = this.env.search_text;
	}
	$(this.gui_objects.qsearchbox).focusin(function() { rcmail.message_list.blur(); });
	}

	this.set_button_titles();

	this.env.message_commands = ['show', 'reply', 'reply-all', 'reply-list', 'forward',
	'moveto', 'copy', 'delete', 'open', 'mark', 'edit', 'viewsource', 'download',
	'print', 'load-attachment', 'show-headers', 'hide-headers', 'forward-attachment'];

	if (this.env.action == 'show' \|\| this.env.action == 'preview') {
	this.enable_command(this.env.message_commands, this.env.uid);
	this.enable_command('reply-list', this.env.list_post);

	if (this.env.action == 'show') {
	this.http_request('pagenav', {_uid: this.env.uid, _mbox: this.env.mailbox, _search: this.env.search_request},
	this.display_message('', 'loading'));
	}

	if (this.env.blockedobjects) {
	if (this.gui_objects.remoteobjectsmsg)
	this.gui_objects.remoteobjectsmsg.style.display = 'block';
	this.enable_command('load-images', 'always-load', true);
	}

	// make preview/message frame visible
	if (this.env.action == 'preview' && this.is_framed()) {
	this.enable_command('compose', 'add-contact', false);
	parent.rcmail.show_contentframe(true);
	}
	}
	else if (this.env.action == 'compose') {
	this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel', 'toggle-editor', 'list-adresses', 'extwin'];

	if (this.env.drafts_mailbox)
	this.env.compose_commands.push('savedraft')

	this.enable_command(this.env.compose_commands, 'identities', true);

	// add more commands (not enabled)
	$.merge(this.env.compose_commands, ['add-recipient', 'firstpage', 'previouspage', 'nextpage', 'lastpage']);

	if (this.env.spellcheck) {
	this.env.spellcheck.spelling_state_observer = function(s) { ref.spellcheck_state(); };
	this.env.compose_commands.push('spellcheck')
	this.enable_command('spellcheck', true);
	}

	document.onmouseup = function(e){ return p.doc_mouse_up(e); };

	// init message compose form
	this.init_messageform();
	}
	// show printing dialog
	else if (this.env.action == 'print' && this.env.uid)
	if (bw.safari)
	setTimeout('window.print()', 10);
	else
	window.print();

	// get unread count for each mailbox
	if (this.gui_objects.mailboxlist) {
	this.env.unread_counts = {};
	this.gui_objects.folderlist = this.gui_objects.mailboxlist;
	this.http_request('getunread');
	}

	// init address book widget
	if (this.gui_objects.contactslist) {
	this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
	{ multiselect:true, draggable:false, keyboard:false });
	this.contact_list.addEventListener('select', function(o){ ref.compose_recipient_select(o); });
	this.contact_list.addEventListener('dblclick', function(o){ ref.compose_add_recipient('to'); });
	this.contact_list.init();
	}

	if (this.gui_objects.addressbookslist) {
	this.gui_objects.folderlist = this.gui_objects.addressbookslist;
	this.enable_command('list-adresses', true);
	}

	// ask user to send MDN
	if (this.env.mdn_request && this.env.uid) {
	var postact = 'sendmdn',
	postdata = {_uid: this.env.uid, _mbox: this.env.mailbox};
	if (!confirm(this.get_label('mdnrequest'))) {
	postdata._flag = 'mdnsent';
	postact = 'mark';
	}
	this.http_post(postact, postdata);
	}

	// detect browser capabilities
	if (!this.is_framed())
	this.browser_capabilities_check();

	break;

	case 'addressbook':
	if (this.gui_objects.folderlist)
	this.env.contactfolders = $.extend($.extend({}, this.env.address_sources), this.env.contactgroups);

	this.enable_command('add', 'import', this.env.writable_source);
	this.enable_command('list', 'listgroup', 'listsearch', 'advanced-search', true);

	if (this.gui_objects.contactslist) {

	this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
	{multiselect:true, draggable:this.gui_objects.folderlist?true:false, keyboard:true});
	this.contact_list.row_init = function(row){ p.triggerEvent('insertrow', { cid:row.uid, row:row }); };
	this.contact_list.addEventListener('keypress', function(o){ p.contactlist_keypress(o); });
	this.contact_list.addEventListener('select', function(o){ p.contactlist_select(o); });
	this.contact_list.addEventListener('dragstart', function(o){ p.drag_start(o); });
	this.contact_list.addEventListener('dragmove', function(e){ p.drag_move(e); });
	this.contact_list.addEventListener('dragend', function(e){ p.drag_end(e); });
	this.contact_list.init();

	if (this.env.cid)
	this.contact_list.highlight_row(this.env.cid);

	this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
	document.onmouseup = function(e){ return p.doc_mouse_up(e); };
	if (this.gui_objects.qsearchbox) {
	$(this.gui_objects.qsearchbox).focusin(function() { rcmail.contact_list.blur(); });
	}

	this.update_group_commands();
	this.command('list');
	}

	this.set_page_buttons();

	if (this.env.cid) {
	this.enable_command('show', 'edit', true);
	// register handlers for group assignment via checkboxes
	if (this.gui_objects.editform) {
	$('input.groupmember').change(function() {
	ref.group_member_change(this.checked ? 'add' : 'del', ref.env.cid, ref.env.source, this.value);
	});
	}
	}

	if (this.gui_objects.editform) {
	this.enable_command('save', true);
	if (this.env.action == 'add' \|\| this.env.action == 'edit')
	this.init_contact_form();
	}

	if (this.gui_objects.qsearchbox) {
	this.enable_command('search', 'reset-search', 'moveto', true);
	}

	break;

	case 'settings':
	this.enable_command('preferences', 'identities', 'save', 'folders', true);

	if (this.env.action == 'identities') {
	this.enable_command('add', this.env.identities_level < 2);
	}
	else if (this.env.action == 'edit-identity' \|\| this.env.action == 'add-identity') {
	this.enable_command('save', 'edit', 'toggle-editor', true);
	this.enable_command('delete', this.env.identities_level < 2);

	if (this.env.action == 'add-identity')
	$("input[type='text']").first().select();
	}
	else if (this.env.action == 'folders') {
	this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', true);
	}
	else if (this.env.action == 'edit-folder' && this.gui_objects.editform) {
	this.enable_command('save', 'folder-size', true);
	parent.rcmail.env.messagecount = this.env.messagecount;
	parent.rcmail.enable_command('purge', this.env.messagecount);
	$("input[type='text']").first().select();
	}

	if (this.gui_objects.identitieslist) {
	this.identity_list = new rcube_list_widget(this.gui_objects.identitieslist, {multiselect:false, draggable:false, keyboard:false});
	this.identity_list.addEventListener('select', function(o){ p.identity_select(o); });
	this.identity_list.init();
	this.identity_list.focus();

	if (this.env.iid)
	this.identity_list.highlight_row(this.env.iid);
	}
	else if (this.gui_objects.sectionslist) {
	this.sections_list = new rcube_list_widget(this.gui_objects.sectionslist, {multiselect:false, draggable:false, keyboard:false});
	this.sections_list.addEventListener('select', function(o){ p.section_select(o); });
	this.sections_list.init();
	this.sections_list.focus();
	}
	else if (this.gui_objects.subscriptionlist)
	this.init_subscription_list();

	break;

	case 'login':
	var input_user = $('#rcmloginuser');
	input_user.bind('keyup', function(e){ return rcmail.login_user_keyup(e); });

	if (input_user.val() == '')
	input_user.focus();
	else
	$('#rcmloginpwd').focus();

	// detect client timezone
	if (window.jstz && !bw.ie6) {
	var timezone = jstz.determine();
	if (timezone.name())
	$('#rcmlogintz').val(timezone.name());
	}
	else {
	$('#rcmlogintz').val(new Date().getStdTimezoneOffset() / -60);
	}

	// display 'loading' message on form submit, lock submit button
	$('form').submit(function () {
	$('input[type=submit]', this).prop('disabled', true);
	rcmail.clear_messages();
	rcmail.display_message('', 'loading');
	});

	this.enable_command('login', true);
	break;

	default:
	break;
	}

	// prevent from form submit with Enter key in file input fields
	if (bw.ie)
	$('input[type=file]').keydown(function(e) { if (e.keyCode == '13') e.preventDefault(); });

	// flag object as complete
	this.loaded = true;

	// show message
	if (this.pending_message)
	this.display_message(this.pending_message[0], this.pending_message[1], this.pending_message[2]);

	// map implicit containers
	if (this.gui_objects.folderlist)
	this.gui_containers.foldertray = $(this.gui_objects.folderlist);

	// activate html5 file drop feature (if browser supports it and if configured)
	if (this.gui_objects.filedrop && this.env.filedrop && ((window.XMLHttpRequest && XMLHttpRequest.prototype && XMLHttpRequest.prototype.sendAsBinary) \|\| window.FormData)) {
	$(document.body).bind('dragover dragleave drop', function(e){ return ref.document_drag_hover(e, e.type == 'dragover'); });
	$(this.gui_objects.filedrop).addClass('droptarget')
	.bind('dragover dragleave', function(e){ return ref.file_drag_hover(e, e.type == 'dragover'); })
	.get(0).addEventListener('drop', function(e){ return ref.file_dropped(e); }, false);
	}

	// trigger init event hook
	this.triggerEvent('init', { task:this.task, action:this.env.action });

	// execute all foreign onload scripts
	// @deprecated
	for (var i in this.onloads) {
	if (typeof this.onloads[i] === 'string')
	eval(this.onloads[i]);
	else if (typeof this.onloads[i] === 'function')
	this.onloads[i]();
	}

	// start keep-alive and refresh intervals
	this.start_refresh();
	this.start_keepalive();
	};

	this.log = function(msg)
	{
	if (window.console && console.log)
	console.log(msg);
	};

	/*********************************************************/
	/******* client command interface *******/
	/*********************************************************/

	// execute a specific command on the web client
	this.command = function(command, props, obj, event)
	{
	var ret, uid, cid, url, flag;

	if (obj && obj.blur)
	obj.blur();

	if (this.busy)
	return false;

	// command not supported or allowed
	if (!this.commands[command]) {
	// pass command to parent window
	if (this.is_framed())
	parent.rcmail.command(command, props);

	return false;
	}

	// check input before leaving compose step
	if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands)<0) {
	if (this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
	return false;
	}

	// process external commands
	if (typeof this.command_handlers[command] === 'function') {
	ret = this.command_handlers[command](props, obj);
	return ret !== undefined ? ret : (obj ? false : true);
	}
	else if (typeof this.command_handlers[command] === 'string') {
	ret = window[this.command_handlers[command]](props, obj);
	return ret !== undefined ? ret : (obj ? false : true);
	}

	// trigger plugin hooks
	this.triggerEvent('actionbefore', {props:props, action:command});
	ret = this.triggerEvent('before'+command, props);
	if (ret !== undefined) {
	// abort if one of the handlers returned false
	if (ret === false)
	return false;
	else
	props = ret;
	}

	ret = undefined;

	// process internal command
	switch (command) {

	case 'login':
	if (this.gui_objects.loginform)
	this.gui_objects.loginform.submit();
	break;

	// commands to switch task
	case 'mail':
	case 'addressbook':
	case 'settings':
	case 'logout':
	this.switch_task(command);
	break;

	case 'about':
	location.href = '?_task=settings&_action=about';
	break;

	case 'permaurl':
	if (obj && obj.href && obj.target)
	return true;
	else if (this.env.permaurl)
	parent.location.href = this.env.permaurl;
	break;

	case 'extwin':
	if (this.env.action == 'compose') {
	var prevstate = this.env.compose_extwin;
	$("input[name='_action']", this.gui_objects.messageform).val('compose');
	this.gui_objects.messageform.action = this.url('mail/compose', { _id: this.env.compose_id, _extwin: 1 });
	this.gui_objects.messageform.target = this.open_window('', 1150, 900);
	this.gui_objects.messageform.submit();
	}
	else {
	this.open_window(this.env.permaurl, 1000, 1200);
	}
	break;

	case 'menu-open':
	case 'menu-save':
	this.triggerEvent(command, {props:props});
	return false;

	case 'open':
	if (uid = this.get_single_uid()) {
	obj.href = '?_task='+this.env.task+'&_action=show&_mbox='+urlencode(this.env.mailbox)+'&_uid='+uid;
	return true;
	}
	break;

	case 'close':
	if (this.env.extwin)
	window.close();
	break;

	case 'list':
	if (props && props != '')
	this.reset_qsearch();
	if (this.env.action == 'compose' && this.env.extwin) {
	window.close();
	}
	else if (this.task == 'mail') {
	this.list_mailbox(props);
	this.set_button_titles();
	}
	else if (this.task == 'addressbook')
	this.list_contacts(props);
	break;

	case 'sort':
	var sort_order = this.env.sort_order,
	sort_col = !this.env.disabled_sort_col ? props : this.env.sort_col;

	if (!this.env.disabled_sort_order)
	sort_order = this.env.sort_col == sort_col && sort_order == 'ASC' ? 'DESC' : 'ASC';

	// set table header and update env
	this.set_list_sorting(sort_col, sort_order);

	// reload message list
	this.list_mailbox('', '', sort_col+'_'+sort_order);
	break;

	case 'nextpage':
	this.list_page('next');
	break;

	case 'lastpage':
	this.list_page('last');
	break;

	case 'previouspage':
	this.list_page('prev');
	break;

	case 'firstpage':
	this.list_page('first');
	break;

	case 'expunge':
	if (this.env.messagecount)
	this.expunge_mailbox(this.env.mailbox);
	break;

	case 'purge':
	case 'empty-mailbox':
	if (this.env.messagecount)
	this.purge_mailbox(this.env.mailbox);
	break;

	// common commands used in multiple tasks
	case 'show':
	if (this.task == 'mail') {
	uid = this.get_single_uid();
	if (uid && (!this.env.uid \|\| uid != this.env.uid)) {
	if (this.env.mailbox == this.env.drafts_mailbox)
	this.open_compose_step({ _draft_uid: uid, _mbox: this.env.mailbox });
	else
	this.show_message(uid);
	}
	}
	else if (this.task == 'addressbook') {
	cid = props ? props : this.get_single_cid();
	if (cid && !(this.env.action == 'show' && cid == this.env.cid))
	this.load_contact(cid, 'show');
	}
	break;

	case 'add':
	if (this.task == 'addressbook')
	this.load_contact(0, 'add');
	else if (this.task == 'settings') {
	this.identity_list.clear_selection();
	this.load_identity(0, 'add-identity');
	}
	break;

	case 'edit':
	if (this.task == 'addressbook' && (cid = this.get_single_cid()))
	this.load_contact(cid, 'edit');
	else if (this.task == 'settings' && props)
	this.load_identity(props, 'edit-identity');
	else if (this.task == 'mail' && (cid = this.get_single_uid())) {
	url = { _mbox: this.env.mailbox };
	url[this.env.mailbox == this.env.drafts_mailbox && props != 'new' ? '_draft_uid' : '_uid'] = cid;
	this.open_compose_step(url);
	}
	break;

	case 'save':
	var input, form = this.gui_objects.editform;
	if (form) {
	// adv. search
	if (this.env.action == 'search') {
	}
	// user prefs
	else if ((input = $("input[name='_pagesize']", form)) && input.length && isNaN(parseInt(input.val()))) {
	alert(this.get_label('nopagesizewarning'));
	input.focus();
	break;
	}
	// contacts/identities
	else {
	// reload form
	if (props == 'reload') {
	form.action += '?_reload=1';
	}
	else if (this.task == 'settings' && (this.env.identities_level % 2) == 0 &&
	(input = $("input[name='_email']", form)) && input.length && !rcube_check_email(input.val())
	) {
	alert(this.get_label('noemailwarning'));
	input.focus();
	break;
	}

	// clear empty input fields
	$('input.placeholder').each(function(){ if (this.value == this._placeholder) this.value = ''; });
	}

	// add selected source (on the list)
	if (parent.rcmail && parent.rcmail.env.source)
	form.action = this.add_url(form.action, '_orig_source', parent.rcmail.env.source);

	form.submit();
	}
	break;

	case 'delete':
	// mail task
	if (this.task == 'mail')
	this.delete_messages(event);
	// addressbook task
	else if (this.task == 'addressbook')
	this.delete_contacts();
	// user settings task
	else if (this.task == 'settings')
	this.delete_identity();
	break;

	// mail task commands
	case 'move':
	case 'moveto':
	if (this.task == 'mail')
	this.move_messages(props);
	else if (this.task == 'addressbook' && this.drag_active)
	this.copy_contact(null, props);
	break;

	case 'copy':
	if (this.task == 'mail')
	this.copy_messages(props);
	break;

	case 'mark':
	if (props)
	this.mark_message(props);
	break;

	case 'toggle_status':
	if (props && !props._row)
	break;

	flag = 'read';

	if (props._row.uid) {
	uid = props._row.uid;

	// toggle read/unread
	if (this.message_list.rows[uid].deleted) {
	flag = 'undelete';
	}
	else if (!this.message_list.rows[uid].unread)
	flag = 'unread';
	}

	this.mark_message(flag, uid);
	break;

	case 'toggle_flag':
	if (props && !props._row)
	break;

	flag = 'flagged';

	if (props._row.uid) {
	uid = props._row.uid;
	// toggle flagged/unflagged
	if (this.message_list.rows[uid].flagged)
	flag = 'unflagged';
	}
	this.mark_message(flag, uid);
	break;

	case 'always-load':
	if (this.env.uid && this.env.sender) {
	this.add_contact(this.env.sender);
	setTimeout(function(){ ref.command('load-images'); }, 300);
	break;
	}

	case 'load-images':
	if (this.env.uid)
	this.show_message(this.env.uid, true, this.env.action=='preview');
	break;

	case 'load-attachment':
	var qstring = '_mbox='+urlencode(this.env.mailbox)+'&_uid='+this.env.uid+'&_part='+props.part;

	// open attachment in frame if it's of a supported mimetype
	if (this.env.uid && props.mimetype && this.env.mimetypes && $.inArray(props.mimetype, this.env.mimetypes)>=0) {
	if (props.mimetype == 'text/html')
	qstring += '&_safe=1';
	this.attachment_win = window.open(this.env.comm_path+'&_action=get&'+qstring+'&_frame=1', 'rcubemailattachment');
	if (this.attachment_win) {
	setTimeout(function(){ ref.attachment_win.focus(); }, 10);
	break;
	}
	}

	this.goto_url('get', qstring+'&_download=1', false);
	break;

	case 'select-all':
	this.select_all_mode = props ? false : true;
	this.dummy_select = true; // prevent msg opening if there's only one msg on the list
	if (props == 'invert')
	this.message_list.invert_selection();
	else
	this.message_list.select_all(props == 'page' ? '' : props);
	this.dummy_select = null;
	break;

	case 'select-none':
	this.select_all_mode = false;
	this.message_list.clear_selection();
	break;

	case 'expand-all':
	this.env.autoexpand_threads = 1;
	this.message_list.expand_all();
	break;

	case 'expand-unread':
	this.env.autoexpand_threads = 2;
	this.message_list.collapse_all();
	this.expand_unread();
	break;

	case 'collapse-all':
	this.env.autoexpand_threads = 0;
	this.message_list.collapse_all();
	break;

	case 'nextmessage':
	if (this.env.next_uid)
	this.show_message(this.env.next_uid, false, this.env.action=='preview');
	break;

	case 'lastmessage':
	if (this.env.last_uid)
	this.show_message(this.env.last_uid);
	break;

	case 'previousmessage':
	if (this.env.prev_uid)
	this.show_message(this.env.prev_uid, false, this.env.action=='preview');
	break;

	case 'firstmessage':
	if (this.env.first_uid)
	this.show_message(this.env.first_uid);
	break;

	case 'compose':
	url = {};

	if (this.task == 'mail') {
	url._mbox = this.env.mailbox;
	if (props)
	url._to = props;
	// also send search request so we can go back to search result after message is sent
	if (this.env.search_request)
	url._search = this.env.search_request;
	}
	// modify url if we're in addressbook
	else if (this.task == 'addressbook') {
	// switch to mail compose step directly
	if (props && props.indexOf('@') > 0) {
	url._to = props;
	}
	else {
	// use contact_id passed as command parameter
	var n, len, a_cids = [];
	if (props)
	a_cids.push(props);
	// get selected contacts
	else if (this.contact_list) {
	var selection = this.contact_list.get_selection();
	for (n=0, len=selection.length; n<len; n++)
	a_cids.push(selection[n]);
	}

	if (a_cids.length)
	this.http_post('mailto', { _cid: a_cids.join(','), _source: this.env.source }, true);
	else if (this.env.group)
	this.http_post('mailto', { _gid: this.env.group, _source: this.env.source }, true);

	break;
	}
	}
	else if (props)
	url._to = props;

	this.open_compose_step(url);
	break;

	case 'spellcheck':
	if (this.spellcheck_state()) {
	this.stop_spellchecking();
	}
	else {
	if (window.tinyMCE && tinyMCE.get(this.env.composebody)) {
	tinyMCE.execCommand('mceSpellCheck', true);
	}
	else if (this.env.spellcheck && this.env.spellcheck.spellCheck) {
	this.env.spellcheck.spellCheck();
	}
	}
	this.spellcheck_state();
	break;

	case 'savedraft':
	// Reset the auto-save timer
	clearTimeout(this.save_timer);

	// compose form did not change
	if (this.cmp_hash == this.compose_field_hash()) {
	this.auto_save_start();
	break;
	}

	this.submit_messageform(true);
	break;

	case 'send':
	if (!props.nocheck && !this.check_compose_input(command))
	break;

	// Reset the auto-save timer
	clearTimeout(this.save_timer);

	this.submit_messageform();
	break;

	case 'send-attachment':
	// Reset the auto-save timer
	clearTimeout(this.save_timer);

	this.upload_file(props \|\| this.gui_objects.uploadform);
	break;

	case 'insert-sig':
	this.change_identity($("[name='_from']")[0], true);
	break;

	case 'list-adresses':
	this.list_contacts(props);
	this.enable_command('add-recipient', false);
	break;

	case 'add-recipient':
	this.compose_add_recipient(props);
	break;

	case 'reply-all':
	case 'reply-list':
	case 'reply':
	if (uid = this.get_single_uid()) {
	url = {_reply_uid: uid, _mbox: this.env.mailbox};
	if (command == 'reply-all')
	// do reply-list, when list is detected and popup menu wasn't used
	url._all = (!props && this.commands['reply-list'] ? 'list' : 'all');
	else if (command == 'reply-list')
	url._all = 'list';

	this.open_compose_step(url);
	}
	break;

	case 'forward-attachment':
	case 'forward':
	if (uid = this.get_single_uid()) {
	url = { _forward_uid: uid, _mbox: this.env.mailbox };
	if (command == 'forward-attachment' \|\| (!props && this.env.forward_attachment))
	url._attachment = 1;
	this.open_compose_step(url);
	}
	break;

	case 'print':
	if (uid = this.get_single_uid()) {
	ref.printwin = window.open(this.env.comm_path+'&_action=print&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+(this.env.safemode ? '&_safe=1' : ''));
	if (this.printwin) {
	setTimeout(function(){ ref.printwin.focus(); }, 20);
	if (this.env.action != 'show')
	this.mark_message('read', uid);
	}
	}
	break;

	case 'viewsource':
	if (uid = this.get_single_uid()) {
	ref.sourcewin = window.open(this.env.comm_path+'&_action=viewsource&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox));
	if (this.sourcewin)
	setTimeout(function(){ ref.sourcewin.focus(); }, 20);
	}
	break;

	case 'download':
	if (uid = this.get_single_uid())
	this.goto_url('viewsource', { _uid: uid, _mbox: this.env.mailbox, _save: 1 });
	break;

	// quicksearch
	case 'search':
	if (!props && this.gui_objects.qsearchbox)
	props = this.gui_objects.qsearchbox.value;
	if (props) {
	this.qsearch(props);
	break;
	}

	// reset quicksearch
	case 'reset-search':
	var n, s = this.env.search_request \|\| this.env.qsearch;

	this.reset_qsearch();
	this.select_all_mode = false;

	if (s && this.env.mailbox)
	this.list_mailbox(this.env.mailbox, 1);
	else if (s && this.task == 'addressbook') {
	if (this.env.source == '') {
	for (n in this.env.address_sources) break;
	this.env.source = n;
	this.env.group = '';
	}
	this.list_contacts(this.env.source, this.env.group, 1);
	}
	break;

	case 'listgroup':
	this.reset_qsearch();
	this.list_contacts(props.source, props.id);
	break;

	case 'import':
	if (this.env.action == 'import' && this.gui_objects.importform) {
	var file = document.getElementById('rcmimportfile');
	if (file && !file.value) {
	alert(this.get_label('selectimportfile'));
	break;
	}
	this.gui_objects.importform.submit();
	this.set_busy(true, 'importwait');
	this.lock_form(this.gui_objects.importform, true);
	}
	else
	this.goto_url('import', (this.env.source ? '_target='+urlencode(this.env.source)+'&' : ''));
	break;

	case 'export':
	if (this.contact_list.rowcount > 0) {
	this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _search: this.env.search_request });
	}
	break;

	case 'upload-photo':
	this.upload_contact_photo(props \|\| this.gui_objects.uploadform);
	break;

	case 'delete-photo':
	this.replace_contact_photo('-del-');
	break;

	// user settings commands
	case 'preferences':
	case 'identities':
	case 'folders':
	this.goto_url('settings/' + command);
	break;

	case 'undo':
	this.http_request('undo', '', this.display_message('', 'loading'));
	break;

	// unified command call (command name == function name)
	default:
	var func = command.replace(/-/g, '_');
	if (this[func] && typeof this[func] === 'function') {
	ret = this[func](props, obj);
	}
	break;
	}

	if (this.triggerEvent('after'+command, props) === false)
	ret = false;
	this.triggerEvent('actionafter', {props:props, action:command});

	return ret === false ? false : obj ? false : true;
	};

	// set command(s) enabled or disabled
	this.enable_command = function()
	{
	var i, n, args = Array.prototype.slice.call(arguments),
	enable = args.pop(), cmd;

	for (n=0; n<args.length; n++) {
	cmd = args[n];
	// argument of type array
	if (typeof cmd === 'string') {
	this.commands[cmd] = enable;
	this.set_button(cmd, (enable ? 'act' : 'pas'));
	}
	// push array elements into commands array
	else {
	for (i in cmd)
	args.push(cmd[i]);
	}
	}
	};

	// lock/unlock interface
	this.set_busy = function(a, message, id)
	{
	if (a && message) {
	var msg = this.get_label(message);
	if (msg == message)
	msg = 'Loading...';

	id = this.display_message(msg, 'loading');
	}
	else if (!a && id) {
	this.hide_message(id);
	}

	this.busy = a;
	//document.body.style.cursor = a ? 'wait' : 'default';

	if (this.gui_objects.editform)
	this.lock_form(this.gui_objects.editform, a);

	return id;
	};

	// return a localized string
	this.get_label = function(name, domain)
	{
	if (domain && this.labels[domain+'.'+name])
	return this.labels[domain+'.'+name];
	else if (this.labels[name])
	return this.labels[name];
	else
	return name;
	};

	// alias for convenience reasons
	this.gettext = this.get_label;

	// switch to another application task
	this.switch_task = function(task)
	{
	if (this.task===task && task!='mail')
	return;

	var url = this.get_task_url(task);
	if (task=='mail')
	url += '&_mbox=INBOX';

	this.redirect(url);
	};

	this.get_task_url = function(task, url)
	{
	if (!url)
	url = this.env.comm_path;

	return url.replace(/_task=[a-z]+/, '_task='+task);
	};

	this.reload = function(delay)
	{
	if (this.is_framed())
	parent.rcmail.reload(delay);
	else if (delay)
	setTimeout(function(){ rcmail.reload(); }, delay);
	else if (window.location)
	location.href = this.env.comm_path + (this.env.action ? '&_action='+this.env.action : '');
	};

	// Add variable to GET string, replace old value if exists
	this.add_url = function(url, name, value)
	{
	value = urlencode(value);

	if (/(\?.*)$/.test(url)) {
	var urldata = RegExp.$1,
	datax = RegExp('((\\?\|&)'+RegExp.escape(name)+'=[^&]*)');

	if (datax.test(urldata)) {
	urldata = urldata.replace(datax, RegExp.$2 + name + '=' + value);
	}
	else
	urldata += '&' + name + '=' + value

	return url.replace(/(\?.*)$/, urldata);
	}

	return url + '?' + name + '=' + value;
	};

	this.is_framed = function()
	{
	return (this.env.framed && parent.rcmail && parent.rcmail != this && parent.rcmail.command);
	};

	this.save_pref = function(prop)
	{
	var request = {'_name': prop.name, '_value': prop.value};

	if (prop.session)
	request['_session'] = prop.session;
	if (prop.env)
	this.env[prop.env] = prop.value;

	this.http_post('save-pref', request);
	};

	this.html_identifier = function(str, encode)
	{
	str = String(str);
	if (encode)
	return Base64.encode(str).replace(/=+$/, '').replace(/\+/g, '-').replace(/\//g, '_');
	else
	return str.replace(this.identifier_expr, '_');
	};

	this.html_identifier_decode = function(str)
	{
	str = String(str).replace(/-/g, '+').replace(/_/g, '/');

	while (str.length % 4) str += '=';

	return Base64.decode(str);
	};


	/*********************************************************/
	/******* event handling methods *******/
	/*********************************************************/

	this.drag_menu = function(e, target)
	{
	var modkey = rcube_event.get_modifier(e),
	menu = this.gui_objects.message_dragmenu;

	if (menu && modkey == SHIFT_KEY && this.commands['copy']) {
	var pos = rcube_event.get_mouse_pos(e);
	this.env.drag_target = target;
	$(menu).css({top: (pos.y-10)+'px', left: (pos.x-10)+'px'}).show();
	return true;
	}

	return false;
	};

	this.drag_menu_action = function(action)
	{
	var menu = this.gui_objects.message_dragmenu;
	if (menu) {
	$(menu).hide();
	}
	this.command(action, this.env.drag_target);
	this.env.drag_target = null;
	};

	this.drag_start = function(list)
	{
	var model = this.task == 'mail' ? this.env.mailboxes : this.env.contactfolders;

	this.drag_active = true;

	if (this.preview_timer)
	clearTimeout(this.preview_timer);
	if (this.preview_read_timer)
	clearTimeout(this.preview_read_timer);

	// save folderlist and folders location/sizes for droptarget calculation in drag_move()
	if (this.gui_objects.folderlist && model) {
	this.initialBodyScrollTop = bw.ie ? 0 : window.pageYOffset;
	this.initialListScrollTop = this.gui_objects.folderlist.parentNode.scrollTop;

	var k, li, height,
	list = $(this.gui_objects.folderlist);
	pos = list.offset();

	this.env.folderlist_coords = { x1:pos.left, y1:pos.top, x2:pos.left + list.width(), y2:pos.top + list.height() };

	this.env.folder_coords = [];
	for (k in model) {
	if (li = this.get_folder_li(k)) {
	// only visible folders
	if (height = li.firstChild.offsetHeight) {
	pos = $(li.firstChild).offset();
	this.env.folder_coords[k] = { x1:pos.left, y1:pos.top,
	x2:pos.left + li.firstChild.offsetWidth, y2:pos.top + height, on:0 };
	}
	}
	}
	}
	};

	this.drag_end = function(e)
	{
	this.drag_active = false;
	this.env.last_folder_target = null;

	if (this.folder_auto_timer) {
	clearTimeout(this.folder_auto_timer);
	this.folder_auto_timer = null;
	this.folder_auto_expand = null;
	}

	// over the folders
	if (this.gui_objects.folderlist && this.env.folder_coords) {
	for (var k in this.env.folder_coords) {
	if (this.env.folder_coords[k].on)
	$(this.get_folder_li(k)).removeClass('droptarget');
	}
	}
	};

	this.drag_move = function(e)
	{
	if (this.gui_objects.folderlist && this.env.folder_coords) {
	var k, li, div, check, oldclass,
	layerclass = 'draglayernormal',
	mouse = rcube_event.get_mouse_pos(e),
	pos = this.env.folderlist_coords,
	// offsets to compensate for scrolling while dragging a message
	boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop,
	moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;

	if (this.contact_list && this.contact_list.draglayer)
	oldclass = this.contact_list.draglayer.attr('class');

	mouse.y += -moffset-boffset;

	// if mouse pointer is outside of folderlist
	if (mouse.x < pos.x1 \|\| mouse.x >= pos.x2 \|\| mouse.y < pos.y1 \|\| mouse.y >= pos.y2) {
	if (this.env.last_folder_target) {
	$(this.get_folder_li(this.env.last_folder_target)).removeClass('droptarget');
	this.env.folder_coords[this.env.last_folder_target].on = 0;
	this.env.last_folder_target = null;
	}
	if (layerclass != oldclass && this.contact_list && this.contact_list.draglayer)
	this.contact_list.draglayer.attr('class', layerclass);
	return;
	}

	// over the folders
	for (k in this.env.folder_coords) {
	pos = this.env.folder_coords[k];
	if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.y >= pos.y1 && mouse.y < pos.y2){
	if ((check = this.check_droptarget(k))) {
	li = this.get_folder_li(k);
	div = $(li.getElementsByTagName('div')[0]);

	// if the folder is collapsed, expand it after 1sec and restart the drag & drop process.
	if (div.hasClass('collapsed')) {
	if (this.folder_auto_timer)
	clearTimeout(this.folder_auto_timer);

	this.folder_auto_expand = this.env.mailboxes[k].id;
	this.folder_auto_timer = setTimeout(function() {
	rcmail.command('collapse-folder', rcmail.folder_auto_expand);
	rcmail.drag_start(null);
	}, 1000);
	} else if (this.folder_auto_timer) {
	clearTimeout(this.folder_auto_timer);
	this.folder_auto_timer = null;
	this.folder_auto_expand = null;
	}

	$(li).addClass('droptarget');
	this.env.folder_coords[k].on = 1;
	this.env.last_folder_target = k;
	layerclass = 'draglayer' + (check > 1 ? 'copy' : 'normal');
	} else { // Clear target, otherwise drag end will trigger move into last valid droptarget
	this.env.last_folder_target = null;
	}
	}
	else if (pos.on) {
	$(this.get_folder_li(k)).removeClass('droptarget');
	this.env.folder_coords[k].on = 0;
	}
	}

	if (layerclass != oldclass && this.contact_list && this.contact_list.draglayer)
	this.contact_list.draglayer.attr('class', layerclass);
	}
	};

	this.collapse_folder = function(name)
	{
	var li = this.get_folder_li(name, '', true),
	div = $('div:first', li),
	ul = $('ul:first', li);

	if (div.hasClass('collapsed')) {
	ul.show();
	div.removeClass('collapsed').addClass('expanded');
	var reg = new RegExp('&'+urlencode(name)+'&');
	this.env.collapsed_folders = this.env.collapsed_folders.replace(reg, '');
	}
	else if (div.hasClass('expanded')) {
	ul.hide();
	div.removeClass('expanded').addClass('collapsed');
	this.env.collapsed_folders = this.env.collapsed_folders+'&'+urlencode(name)+'&';

	// select the folder if one of its childs is currently selected
	// don't select if it's virtual (#1488346)
	if (this.env.mailbox.indexOf(name + this.env.delimiter) == 0 && !$(li).hasClass('virtual'))
	this.command('list', name);
	}
	else
	return;

	// Work around a bug in IE6 and IE7, see #1485309
	if (bw.ie6 \|\| bw.ie7) {
	var siblings = li.nextSibling ? li.nextSibling.getElementsByTagName('ul') : null;
	if (siblings && siblings.length && (li = siblings[0]) && li.style && li.style.display != 'none') {
	li.style.display = 'none';
	li.style.display = '';
	}
	}

	this.command('save-pref', { name: 'collapsed_folders', value: this.env.collapsed_folders });
	this.set_unread_count_display(name, false);
	};

	this.doc_mouse_up = function(e)
	{
	var model, list, id;

	// ignore event if jquery UI dialog is open
	if ($(rcube_event.get_target(e)).closest('.ui-dialog, .ui-widget-overlay').length)
	return;

	if (list = this.message_list)
	model = this.env.mailboxes;
	else if (list = this.contact_list)
	model = this.env.contactfolders;
	else if (this.ksearch_value)
	this.ksearch_blur();

	if (list && !rcube_mouse_is_over(e, list.list.parentNode))
	list.blur();

	// handle mouse release when dragging
	if (this.drag_active && model && this.env.last_folder_target) {
	var target = model[this.env.last_folder_target];

	$(this.get_folder_li(this.env.last_folder_target)).removeClass('droptarget');
	this.env.last_folder_target = null;
	list.draglayer.hide();

	if (!this.drag_menu(e, target))
	this.command('moveto', target);
	}

	// reset 'pressed' buttons
	if (this.buttons_sel) {
	for (id in this.buttons_sel)
	if (typeof id !== 'function')
	this.button_out(this.buttons_sel[id], id);
	this.buttons_sel = {};
	}
	};

	this.click_on_list = function(e)
	{
	if (this.gui_objects.qsearchbox)
	this.gui_objects.qsearchbox.blur();

	if (this.message_list)
	this.message_list.focus();
	else if (this.contact_list)
	this.contact_list.focus();

	return true;
	};

	this.msglist_select = function(list)
	{
	if (this.preview_timer)
	clearTimeout(this.preview_timer);
	if (this.preview_read_timer)
	clearTimeout(this.preview_read_timer);

	var selected = list.get_single_selection() != null;

	this.enable_command(this.env.message_commands, selected);
	if (selected) {
	// Hide certain command buttons when Drafts folder is selected
	if (this.env.mailbox == this.env.drafts_mailbox)
	this.enable_command('reply', 'reply-all', 'reply-list', 'forward', 'forward-attachment', false);
	// Disable reply-list when List-Post header is not set
	else {
	var msg = this.env.messages[list.get_single_selection()];
	if (!msg.ml)
	this.enable_command('reply-list', false);
	}
	}
	// Multi-message commands
	this.enable_command('delete', 'moveto', 'copy', 'mark', (list.selection.length > 0 ? true : false));

	// reset all-pages-selection
	if (selected \|\| (list.selection.length && list.selection.length != list.rowcount))
	this.select_all_mode = false;

	// start timer for message preview (wait for double click)
	if (selected && this.env.contentframe && !list.multi_selecting && !this.dummy_select)
	this.preview_timer = setTimeout(function(){ ref.msglist_get_preview(); }, 200);
	else if (this.env.contentframe)
	this.show_contentframe(false);
	};

	// This allow as to re-select selected message and display it in preview frame
	this.msglist_click = function(list)
	{
	if (list.multi_selecting \|\| !this.env.contentframe)
	return;

	if (list.get_single_selection())
	return;

	var win = this.get_frame_window(this.env.contentframe);

	if (win && win.location.href.indexOf(this.env.blankpage)>=0) {
	if (this.preview_timer)
	clearTimeout(this.preview_timer);
	if (this.preview_read_timer)
	clearTimeout(this.preview_read_timer);
	this.preview_timer = setTimeout(function(){ ref.msglist_get_preview(); }, 200);
	}
	};

	this.msglist_dbl_click = function(list)
	{
	if (this.preview_timer)
	clearTimeout(this.preview_timer);

	if (this.preview_read_timer)
	clearTimeout(this.preview_read_timer);

	var uid = list.get_single_selection();
	if (uid && this.env.mailbox == this.env.drafts_mailbox)
	this.open_compose_step({ _draft_uid: uid, _mbox: this.env.mailbox });
	else if (uid)
	this.show_message(uid, false, false);
	};

	this.msglist_keypress = function(list)
	{
	if (list.modkey == CONTROL_KEY)
	return;

	if (list.key_pressed == list.ENTER_KEY)
	this.command('show');
	else if (list.key_pressed == list.DELETE_KEY \|\| list.key_pressed == list.BACKSPACE_KEY)
	this.command('delete');
	else if (list.key_pressed == 33)
	this.command('previouspage');
	else if (list.key_pressed == 34)
	this.command('nextpage');
	};

	this.msglist_get_preview = function()
	{
	var uid = this.get_single_uid();
	if (uid && this.env.contentframe && !this.drag_active)
	this.show_message(uid, false, true);
	else if (this.env.contentframe)
	this.show_contentframe(false);
	};

	this.msglist_expand = function(row)
	{
	if (this.env.messages[row.uid])
	this.env.messages[row.uid].expanded = row.expanded;
	$(row.obj)[row.expanded?'addClass':'removeClass']('expanded');
	};

	this.msglist_set_coltypes = function(list)
	{
	var i, found, name, cols = list.list.tHead.rows[0].cells;

	this.env.coltypes = [];

	for (i=0; i<cols.length; i++)
	if (cols[i].id && cols[i].id.match(/^rcm/)) {
	name = cols[i].id.replace(/^rcm/, '');
	this.env.coltypes.push(name);
	}

	if ((found = $.inArray('flag', this.env.coltypes)) >= 0)
	this.env.flagged_col = found;

	if ((found = $.inArray('subject', this.env.coltypes)) >= 0)
	this.env.subject_col = found;

	this.command('save-pref', { name: 'list_cols', value: this.env.coltypes, session: 'list_attrib/columns' });
	};

	this.check_droptarget = function(id)
	{
	var allow = false, copy = false;

	if (this.task == 'mail')
	allow = (this.env.mailboxes[id] && this.env.mailboxes[id].id != this.env.mailbox && !this.env.mailboxes[id].virtual);
	else if (this.task == 'settings')
	allow = (id != this.env.mailbox);
	else if (this.task == 'addressbook') {
	if (id != this.env.source && this.env.contactfolders[id]) {
	if (this.env.contactfolders[id].type == 'group') {
	var target_abook = this.env.contactfolders[id].source;
	allow = this.env.contactfolders[id].id != this.env.group && !this.env.contactfolders[target_abook].readonly;
	copy = target_abook != this.env.source;
	}
	else {
	allow = !this.env.contactfolders[id].readonly;
	copy = true;
	}
	}
	}

	return allow ? (copy ? 2 : 1) : 0;
	};

	this.open_window = function(url, width, height)
	{
	var w = Math.min(width, screen.width - 10),
	h = Math.min(height, screen.height - 100),
	l = (screen.width - w) / 2 + (screen.left \|\| 0),
	t = Math.max(0, (screen.height - h) / 2 + (screen.top \|\| 0) - 20);

	var wname = 'rcmextwin' + new Date().getTime(),
	extwin = window.open(url + '&_extwin=1', wname, 'width='+w+',height='+h+',top='+t+',left='+l+',resizable=yes,toolbar=no,status=no');
	extwin.moveTo(l,t);

	// write loading... message to empty windows
	if (!url && extwin.document) {
	extwin.document.write('<html><body>' + this.get_label('loading') + '</body></html>');
	}

	// focus window, delayed to bring to front
	window.setTimeout(function(){ extwin.focus(); }, 10);

	return wname;
	};


	/*********************************************************/
	/******* (message) list functionality *******/
	/*********************************************************/

	this.init_message_row = function(row)
	{
	var expando, self = this, uid = row.uid,
	status_icon = (this.env.status_col != null ? 'status' : 'msg') + 'icn' + row.uid;

	if (uid && this.env.messages[uid])
	$.extend(row, this.env.messages[uid]);

	// set eventhandler to status icon
	if (row.icon = document.getElementById(status_icon)) {
	row.icon._row = row.obj;
	row.icon.onmousedown = function(e) { self.command('toggle_status', this); rcube_event.cancel(e); };
	}

	// save message icon position too
	if (this.env.status_col != null)
	row.msgicon = document.getElementById('msgicn'+row.uid);
	else
	row.msgicon = row.icon;

	// set eventhandler to flag icon, if icon found
	if (this.env.flagged_col != null && (row.flagicon = document.getElementById('flagicn'+row.uid))) {
	row.flagicon._row = row.obj;
	row.flagicon.onmousedown = function(e) { self.command('toggle_flag', this); rcube_event.cancel(e); };
	}

	if (!row.depth && row.has_children && (expando = document.getElementById('rcmexpando'+row.uid))) {
	row.expando = expando;
	expando.onmousedown = function(e) { return self.expand_message_row(e, uid); };
	}

	this.triggerEvent('insertrow', { uid:uid, row:row });
	};

	// create a table row in the message list
	this.add_message_row = function(uid, cols, flags, attop)
	{
	if (!this.gui_objects.messagelist \|\| !this.message_list)
	return false;

	// Prevent from adding messages from different folder (#1487752)
	if (flags.mbox != this.env.mailbox && !flags.skip_mbox_check)
	return false;

	if (!this.env.messages[uid])
	this.env.messages[uid] = {};

	// merge flags over local message object
	$.extend(this.env.messages[uid], {
	deleted: flags.deleted?1:0,
	replied: flags.answered?1:0,
	unread: !flags.seen?1:0,
	forwarded: flags.forwarded?1:0,
	flagged: flags.flagged?1:0,
	has_children: flags.has_children?1:0,
	depth: flags.depth?flags.depth:0,
	unread_children: flags.unread_children?flags.unread_children:0,
	parent_uid: flags.parent_uid?flags.parent_uid:0,
	selected: this.select_all_mode \|\| this.message_list.in_selection(uid),
	ml: flags.ml?1:0,
	ctype: flags.ctype,
	// flags from plugins
	flags: flags.extra_flags
	});

	var c, n, col, html, css_class,
	tree = '', expando = '',
	list = this.message_list,
	rows = list.rows,
	message = this.env.messages[uid],
	row_class = 'message'
	+ (!flags.seen ? ' unread' : '')
	+ (flags.deleted ? ' deleted' : '')
	+ (flags.flagged ? ' flagged' : '')
	+ (flags.unread_children && flags.seen && !this.env.autoexpand_threads ? ' unroot' : '')
	+ (message.selected ? ' selected' : ''),
	// for performance use DOM instead of jQuery here
	row = document.createElement('tr');

	row.id = 'rcmrow'+uid;

	// message status icons
	css_class = 'msgicon';
	if (this.env.status_col === null) {
	css_class += ' status';
	if (flags.deleted)
	css_class += ' deleted';
	else if (!flags.seen)
	css_class += ' unread';
	else if (flags.unread_children > 0)
	css_class += ' unreadchildren';
	}
	if (flags.answered)
	css_class += ' replied';
	if (flags.forwarded)
	css_class += ' forwarded';

	// update selection
	if (message.selected && !list.in_selection(uid))
	list.selection.push(uid);

	// threads
	if (this.env.threading) {
	if (message.depth) {
	// This assumes that div width is hardcoded to 15px,
	tree += '<span id="rcmtab' + uid + '" class="branch" style="width:' + (message.depth * 15) + 'px;">  </span>';

	if ((rows[message.parent_uid] && rows[message.parent_uid].expanded === false)
	\|\| ((this.env.autoexpand_threads == 0 \|\| this.env.autoexpand_threads == 2) &&
	(!rows[message.parent_uid] \|\| !rows[message.parent_uid].expanded))
	) {
	row.style.display = 'none';
	message.expanded = false;
	}
	else
	message.expanded = true;

	row_class += ' thread expanded';
	}
	else if (message.has_children) {
	if (message.expanded === undefined && (this.env.autoexpand_threads == 1 \|\| (this.env.autoexpand_threads == 2 && message.unread_children))) {
	message.expanded = true;
	}

	expando = '<div id="rcmexpando' + uid + '" class="' + (message.expanded ? 'expanded' : 'collapsed') + '">  </div>';
	row_class += ' thread' + (message.expanded? ' expanded' : '');
	}
	}

	tree += '<span id="msgicn'+uid+'" class="'+css_class+'"> </span>';
	row.className = row_class;

	// build subject link
	if (!bw.ie && cols.subject) {
	var action = flags.mbox == this.env.drafts_mailbox ? 'compose' : 'show';
	var uid_param = flags.mbox == this.env.drafts_mailbox ? '_draft_uid' : '_uid';
	cols.subject = '<a href="./?_task=mail&_action='+action+'&_mbox='+urlencode(flags.mbox)+'&'+uid_param+'='+uid+'"'+
	' onclick="return rcube_event.cancel(event)" onmouseover="rcube_webmail.long_subject_title(this,'+(message.depth+1)+')">'+cols.subject+'</a>';
	}

	// add each submitted col
	for (n in this.env.coltypes) {
	c = this.env.coltypes[n];
	col = document.createElement('td');
	col.className = String(c).toLowerCase();

	if (c == 'flag') {
	css_class = (flags.flagged ? 'flagged' : 'unflagged');
	html = '<span id="flagicn'+uid+'" class="'+css_class+'"> </span>';
	}
	else if (c == 'attachment') {
	if (/application\/\|multipart\/(m\|signed)/.test(flags.ctype))
	html = '<span class="attachment"> </span>';
	else if (/multipart\/report/.test(flags.ctype))
	html = '<span class="report"> </span>';
	else
	html = ' ';
	}
	else if (c == 'status') {
	if (flags.deleted)
	css_class = 'deleted';
	else if (!flags.seen)
	css_class = 'unread';
	else if (flags.unread_children > 0)
	css_class = 'unreadchildren';
	else
	css_class = 'msgicon';
	html = '<span id="statusicn'+uid+'" class="'+css_class+'"> </span>';
	}
	else if (c == 'threads')
	html = expando;
	else if (c == 'subject') {
	if (bw.ie) {
	col.onmouseover = function() { rcube_webmail.long_subject_title_ie(this, message.depth+1); };
	if (bw.ie8)
	tree = '<span></span>' + tree; // #1487821
	}
	html = tree + cols[c];
	}
	else if (c == 'priority') {
	if (flags.prio > 0 && flags.prio < 6)
	html = '<span class="prio'+flags.prio+'"> </span>';
	else
	html = ' ';
	}
	else
	html = cols[c];

	col.innerHTML = html;

	row.appendChild(col);
	}

	list.insert_row(row, attop);

	// remove 'old' row
	if (attop && this.env.pagesize && list.rowcount > this.env.pagesize) {
	var uid = list.get_last_row();
	list.remove_row(uid);
	list.clear_selection(uid);
	}
	};

	this.set_list_sorting = function(sort_col, sort_order)
	{
	// set table header class
	$('#rcm'+this.env.sort_col).removeClass('sorted'+(this.env.sort_order.toUpperCase()));
	if (sort_col)
	$('#rcm'+sort_col).addClass('sorted'+sort_order);

	this.env.sort_col = sort_col;
	this.env.sort_order = sort_order;
	};

	this.set_list_options = function(cols, sort_col, sort_order, threads)
	{
	var update, post_data = {};

	if (sort_col === undefined)
	sort_col = this.env.sort_col;
	if (!sort_order)
	sort_order = this.env.sort_order;

	if (this.env.sort_col != sort_col \|\| this.env.sort_order != sort_order) {
	update = 1;
	this.set_list_sorting(sort_col, sort_order);
	}

	if (this.env.threading != threads) {
	update = 1;
	post_data._threads = threads;
	}

	if (cols && cols.length) {
	// make sure new columns are added at the end of the list
	var i, idx, name, newcols = [], oldcols = this.env.coltypes;
	for (i=0; i<oldcols.length; i++) {
	name = oldcols[i];
	idx = $.inArray(name, cols);
	if (idx != -1) {
	newcols.push(name);
	delete cols[idx];
	}
	}
	for (i=0; i<cols.length; i++)
	if (cols[i])
	newcols.push(cols[i]);

	if (newcols.join() != oldcols.join()) {
	update = 1;
	post_data._cols = newcols.join(',');
	}
	}

	if (update)
	this.list_mailbox('', '', sort_col+'_'+sort_order, post_data);
	};

	// when user double-clicks on a row
	this.show_message = function(id, safe, preview)
	{
	if (!id)
	return;

	var win, target = window,
	action = preview ? 'preview': 'show',
	url = '&_action='+action+'&_uid='+id+'&_mbox='+urlencode(this.env.mailbox);

	if (preview && (win = this.get_frame_window(this.env.contentframe))) {
	target = win;
	url += '&_framed=1';
	}

	if (safe)
	url += '&_safe=1';

	// also send search request to get the right messages
	if (this.env.search_request)
	url += '&_search='+this.env.search_request;

	// add browser capabilities, so we can properly handle attachments
	url += '&_caps='+urlencode(this.browser_capabilities());

	if (this.env.extwin)
	url += '&_extwin=1';

	if (preview && String(target.location.href).indexOf(url) >= 0) {
	this.show_contentframe(true);
	}
	else {
	if (!preview && this.env.message_extwin && !this.env.extwin)
	this.open_window(this.env.comm_path+url, 1000, 1200);
	else
	this.location_href(this.env.comm_path+url, target, true);

	// mark as read and change mbox unread counter
	if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
	this.preview_read_timer = setTimeout(function() {
	ref.set_message(id, 'unread', false);
	ref.update_thread_root(id, 'read');
	if (ref.env.unread_counts[ref.env.mailbox]) {
	ref.env.unread_counts[ref.env.mailbox] -= 1;
	ref.set_unread_count(ref.env.mailbox, ref.env.unread_counts[ref.env.mailbox], ref.env.mailbox == 'INBOX');
	}
	if (ref.env.preview_pane_mark_read > 0)
	ref.http_post('mark', {_uid: id, _flag: 'read', _quiet: 1});
	}, this.env.preview_pane_mark_read * 1000);
	}
	}
	};

	this.show_contentframe = function(show)
	{
	var frame, win, name = this.env.contentframe;

	if (name && (frame = this.get_frame_element(name))) {
	if (!show && (win = this.get_frame_window(name))) {
	if (win.location && win.location.href.indexOf(this.env.blankpage)<0)
	win.location.href = this.env.blankpage;
	}
	else if (!bw.safari && !bw.konq)
	$(frame)[show ? 'show' : 'hide']();
	}

	if (!show && this.busy)
	this.set_busy(false, null, this.env.frame_lock);
	};

	this.get_frame_element = function(id)
	{
	var frame;

	if (id && (frame = document.getElementById(id)))
	return frame;
	};

	this.get_frame_window = function(id)
	{
	var frame = this.get_frame_element(id);

	if (frame && frame.name && window.frames)
	return window.frames[frame.name];
	};

	this.lock_frame = function()
	{
	if (!this.env.frame_lock)
	(this.is_framed() ? parent.rcmail : this).env.frame_lock = this.set_busy(true, 'loading');
	};

	// list a specific page
	this.list_page = function(page)
	{
	if (page == 'next')
	page = this.env.current_page+1;
	else if (page == 'last')
	page = this.env.pagecount;
	else if (page == 'prev' && this.env.current_page > 1)
	page = this.env.current_page-1;
	else if (page == 'first' && this.env.current_page > 1)
	page = 1;

	if (page > 0 && page <= this.env.pagecount) {
	this.env.current_page = page;

	if (this.task == 'addressbook' \|\| this.contact_list)
	this.list_contacts(this.env.source, this.env.group, page);
	else if (this.task == 'mail')
	this.list_mailbox(this.env.mailbox, page);
	}
	};

	// sends request to check for recent messages
	this.checkmail = function()
	{
	var lock = this.set_busy(true, 'checkingmail'),
	params = this.check_recent_params();

	this.http_request('check-recent', params, lock);
	};

	// list messages of a specific mailbox using filter
	this.filter_mailbox = function(filter)
	{
	var lock = this.set_busy(true, 'searching');

	this.clear_message_list();

	// reset vars
	this.env.current_page = 1;
	this.http_request('search', this.search_params(false, filter), lock);
	};

	// list messages of a specific mailbox
	this.list_mailbox = function(mbox, page, sort, url)
	{
	var win, target = window;

	if (typeof url != 'object')
	url = {};

	if (!mbox)
	mbox = this.env.mailbox ? this.env.mailbox : 'INBOX';

	// add sort to url if set
	if (sort)
	url._sort = sort;

	// also send search request to get the right messages
	if (this.env.search_request)
	url._search = this.env.search_request;

	// set page=1 if changeing to another mailbox
	if (this.env.mailbox != mbox) {
	page = 1;
	this.env.current_page = page;
	this.select_all_mode = false;
	}

	// unselect selected messages and clear the list and message data
	this.clear_message_list();

	if (mbox != this.env.mailbox \|\| (mbox == this.env.mailbox && !page && !sort))
	url._refresh = 1;

	this.select_folder(mbox, '', true);
	this.unmark_folder(mbox, 'recent', '', true);
	this.env.mailbox = mbox;

	// load message list remotely
	if (this.gui_objects.messagelist) {
	this.list_mailbox_remote(mbox, page, url);
	return;
	}

	if (win = this.get_frame_window(this.env.contentframe)) {
	target = win;
	url._framed = 1;
	}

	// load message list to target frame/window
	if (mbox) {
	this.set_busy(true, 'loading');
	url._mbox = mbox;
	if (page)
	url._page = page;
	this.location_href(url, target);
	}
	};

	this.clear_message_list = function()
	{
	this.env.messages = {};
	this.last_selected = 0;

	this.show_contentframe(false);
	if (this.message_list)
	this.message_list.clear(true);
	};

	// send remote request to load message list
	this.list_mailbox_remote = function(mbox, page, post_data)
	{
	// clear message list first
	this.message_list.clear();

	var lock = this.set_busy(true, 'loading');

	if (typeof post_data != 'object')
	post_data = {};
	post_data._mbox = mbox;
	if (page)
	post_data._page = page;

	this.http_request('list', post_data, lock);
	};

	// removes messages that doesn't exists from list selection array
	this.update_selection = function()
	{
	var selected = this.message_list.selection,
	rows = this.message_list.rows,
	i, selection = [];

	for (i in selected)
	if (rows[selected[i]])
	selection.push(selected[i]);

	this.message_list.selection = selection;
	}

	// expand all threads with unread children
	this.expand_unread = function()
	{
	var r, tbody = this.gui_objects.messagelist.tBodies[0],
	new_row = tbody.firstChild;

	while (new_row) {
	if (new_row.nodeType == 1 && (r = this.message_list.rows[new_row.uid]) && r.unread_children) {
	this.message_list.expand_all(r);
	this.set_unread_children(r.uid);
	}
	new_row = new_row.nextSibling;
	}
	return false;
	};

	// thread expanding/collapsing handler
	this.expand_message_row = function(e, uid)
	{
	var row = this.message_list.rows[uid];

	// handle unread_children mark
	row.expanded = !row.expanded;
	this.set_unread_children(uid);
	row.expanded = !row.expanded;

	this.message_list.expand_row(e, uid);
	};

	// message list expanding
	this.expand_threads = function()
	{
	if (!this.env.threading \|\| !this.env.autoexpand_threads \|\| !this.message_list)
	return;

	switch (this.env.autoexpand_threads) {
	case 2: this.expand_unread(); break;
	case 1: this.message_list.expand_all(); break;
	}
	};

	// Initializes threads indicators/expanders after list update
	this.init_threads = function(roots, mbox)
	{
	// #1487752
	if (mbox && mbox != this.env.mailbox)
	return false;

	for (var n=0, len=roots.length; n<len; n++)
	this.add_tree_icons(roots[n]);
	this.expand_threads();
	};

	// adds threads tree icons to the list (or specified thread)
	this.add_tree_icons = function(root)
	{
	var i, l, r, n, len, pos, tmp = [], uid = [],
	row, rows = this.message_list.rows;

	if (root)
	row = rows[root] ? rows[root].obj : null;
	else
	row = this.message_list.list.tBodies[0].firstChild;

	while (row) {
	if (row.nodeType == 1 && (r = rows[row.uid])) {
	if (r.depth) {
	for (i=tmp.length-1; i>=0; i--) {
	len = tmp[i].length;
	if (len > r.depth) {
	pos = len - r.depth;
	if (!(tmp[i][pos] & 2))
	tmp[i][pos] = tmp[i][pos] ? tmp[i][pos]+2 : 2;
	}
	else if (len == r.depth) {
	if (!(tmp[i][0] & 2))
	tmp[i][0] += 2;
	}
	if (r.depth > len)
	break;
	}

	tmp.push(new Array(r.depth));
	tmp[tmp.length-1][0] = 1;
	uid.push(r.uid);
	}
	else {
	if (tmp.length) {
	for (i in tmp) {
	this.set_tree_icons(uid[i], tmp[i]);
	}
	tmp = [];
	uid = [];
	}
	if (root && row != rows[root].obj)
	break;
	}
	}
	row = row.nextSibling;
	}

	if (tmp.length) {
	for (i in tmp) {
	this.set_tree_icons(uid[i], tmp[i]);
	}
	}
	};

	// adds tree icons to specified message row
	this.set_tree_icons = function(uid, tree)
	{
	var i, divs = [], html = '', len = tree.length;

	for (i=0; i<len; i++) {
	if (tree[i] > 2)
	divs.push({'class': 'l3', width: 15});
	else if (tree[i] > 1)
	divs.push({'class': 'l2', width: 15});
	else if (tree[i] > 0)
	divs.push({'class': 'l1', width: 15});
	// separator div
	else if (divs.length && !divs[divs.length-1]['class'])
	divs[divs.length-1].width += 15;
	else
	divs.push({'class': null, width: 15});
	}

	for (i=divs.length-1; i>=0; i--) {
	if (divs[i]['class'])
	html += '<div class="tree '+divs[i]['class']+'" />';
	else
	html += '<div style="width:'+divs[i].width+'px" />';
	}

	if (html)
	$('#rcmtab'+uid).html(html);
	};

	// update parent in a thread
	this.update_thread_root = function(uid, flag)
	{
	if (!this.env.threading)
	return;

	var root = this.message_list.find_root(uid);

	if (uid == root)
	return;

	var p = this.message_list.rows[root];

	if (flag == 'read' && p.unread_children) {
	p.unread_children--;
	}
	else if (flag == 'unread' && p.has_children) {
	// unread_children may be undefined
	p.unread_children = p.unread_children ? p.unread_children + 1 : 1;
	}
	else {
	return;
	}

	this.set_message_icon(root);
	this.set_unread_children(root);
	};

	// update thread indicators for all messages in a thread below the specified message
	// return number of removed/added root level messages
	this.update_thread = function (uid)
	{
	if (!this.env.threading)
	return 0;

	var r, parent, count = 0,
	rows = this.message_list.rows,
	row = rows[uid],
	depth = rows[uid].depth,
	roots = [];

	if (!row.depth) // root message: decrease roots count
	count--;
	else if (row.unread) {
	// update unread_children for thread root
	parent = this.message_list.find_root(uid);
	rows[parent].unread_children--;
	this.set_unread_children(parent);
	}

	parent = row.parent_uid;

	// childrens
	row = row.obj.nextSibling;
	while (row) {
	if (row.nodeType == 1 && (r = rows[row.uid])) {
	if (!r.depth \|\| r.depth <= depth)
	break;

	r.depth--; // move left
	// reset width and clear the content of a tab, icons will be added later
	$('#rcmtab'+r.uid).width(r.depth * 15).html('');
	if (!r.depth) { // a new root
	count++; // increase roots count
	r.parent_uid = 0;
	if (r.has_children) {
	// replace 'leaf' with 'collapsed'
	$('#rcmrow'+r.uid+' '+'.leaf:first')
	.attr('id', 'rcmexpando' + r.uid)
	.attr('class', (r.obj.style.display != 'none' ? 'expanded' : 'collapsed'))
	.bind('mousedown', {uid:r.uid, p:this},
	function(e) { return e.data.p.expand_message_row(e, e.data.uid); });

	r.unread_children = 0;
	roots.push(r);
	}
	// show if it was hidden
	if (r.obj.style.display == 'none')
	$(r.obj).show();
	}
	else {
	if (r.depth == depth)
	r.parent_uid = parent;
	if (r.unread && roots.length)
	roots[roots.length-1].unread_children++;
	}
	}
	row = row.nextSibling;
	}

	// update unread_children for roots
	for (var i=0; i<roots.length; i++)
	this.set_unread_children(roots[i].uid);

	return count;
	};

	this.delete_excessive_thread_rows = function()
	{
	var rows = this.message_list.rows,
	tbody = this.message_list.list.tBodies[0],
	row = tbody.firstChild,
	cnt = this.env.pagesize + 1;

	while (row) {
	if (row.nodeType == 1 && (r = rows[row.uid])) {
	if (!r.depth && cnt)
	cnt--;

	if (!cnt)
	this.message_list.remove_row(row.uid);
	}
	row = row.nextSibling;
	}
	};

	// set message icon
	this.set_message_icon = function(uid)
	{
	var css_class,
	row = this.message_list.rows[uid];

	if (!row)
	return false;

	if (row.icon) {
	css_class = 'msgicon';
	if (row.deleted)
	css_class += ' deleted';
	else if (row.unread)
	css_class += ' unread';
	else if (row.unread_children)
	css_class += ' unreadchildren';
	if (row.msgicon == row.icon) {
	if (row.replied)
	css_class += ' replied';
	if (row.forwarded)
	css_class += ' forwarded';
	css_class += ' status';
	}

	row.icon.className = css_class;
	}

	if (row.msgicon && row.msgicon != row.icon) {
	css_class = 'msgicon';
	if (!row.unread && row.unread_children)
	css_class += ' unreadchildren';
	if (row.replied)
	css_class += ' replied';
	if (row.forwarded)
	css_class += ' forwarded';

	row.msgicon.className = css_class;
	}

	if (row.flagicon) {
	css_class = (row.flagged ? 'flagged' : 'unflagged');
	row.flagicon.className = css_class;
	}
	};

	// set message status
	this.set_message_status = function(uid, flag, status)
	{
	var row = this.message_list.rows[uid];

	if (!row)
	return false;

	if (flag == 'unread')
	row.unread = status;
	else if(flag == 'deleted')
	row.deleted = status;
	else if (flag == 'replied')
	row.replied = status;
	else if (flag == 'forwarded')
	row.forwarded = status;
	else if (flag == 'flagged')
	row.flagged = status;
	};

	// set message row status, class and icon
	this.set_message = function(uid, flag, status)
	{
	var row = this.message_list && this.message_list.rows[uid];

	if (!row)
	return false;

	if (flag)
	this.set_message_status(uid, flag, status);

	var rowobj = $(row.obj);

	if (row.unread && !rowobj.hasClass('unread'))
	rowobj.addClass('unread');
	else if (!row.unread && rowobj.hasClass('unread'))
	rowobj.removeClass('unread');

	if (row.deleted && !rowobj.hasClass('deleted'))
	rowobj.addClass('deleted');
	else if (!row.deleted && rowobj.hasClass('deleted'))
	rowobj.removeClass('deleted');

	if (row.flagged && !rowobj.hasClass('flagged'))
	rowobj.addClass('flagged');
	else if (!row.flagged && rowobj.hasClass('flagged'))
	rowobj.removeClass('flagged');

	this.set_unread_children(uid);
	this.set_message_icon(uid);
	};

	// sets unroot (unread_children) class of parent row
	this.set_unread_children = function(uid)
	{
	var row = this.message_list.rows[uid];

	if (row.parent_uid)
	return;

	if (!row.unread && row.unread_children && !row.expanded)
	$(row.obj).addClass('unroot');
	else
	$(row.obj).removeClass('unroot');
	};

	// copy selected messages to the specified mailbox
	this.copy_messages = function(mbox)
	{
	if (mbox && typeof mbox === 'object')
	mbox = mbox.id;

	// exit if current or no mailbox specified or if selection is empty
	if (!mbox \|\| mbox == this.env.mailbox \|\| (!this.env.uid && (!this.message_list \|\| !this.message_list.get_selection().length)))
	return;

	var a_uids = [], n, selection,
	lock = this.display_message(this.get_label('copyingmessage'), 'loading'),
	post_data = {_mbox: this.env.mailbox, _target_mbox: mbox, _from: (this.env.action ? this.env.action : '')};

	if (this.env.uid)
	a_uids[0] = this.env.uid;
	else {
	selection = this.message_list.get_selection();
	for (n in selection) {
	a_uids.push(selection[n]);
	}
	}

	post_data._uid = this.uids_to_list(a_uids);

	// send request to server
	this.http_post('copy', post_data, lock);
	};

	// move selected messages to the specified mailbox
	this.move_messages = function(mbox)
	{
	if (mbox && typeof mbox === 'object')
	mbox = mbox.id;

	// exit if current or no mailbox specified or if selection is empty
	if (!mbox \|\| mbox == this.env.mailbox \|\| (!this.env.uid && (!this.message_list \|\| !this.message_list.get_selection().length)))
	return;

	var lock = false,
	add_post = {_target_mbox: mbox, _from: (this.env.action ? this.env.action : '')};

	// show wait message
	if (this.env.action == 'show')
	lock = this.set_busy(true, 'movingmessage');
	else
	this.show_contentframe(false);

	// Hide message command buttons until a message is selected
	this.enable_command(this.env.message_commands, false);

	this._with_selected_messages('moveto', lock, add_post);
	};

	// delete selected messages from the current mailbox
	this.delete_messages = function(event)
	{
	var uid, i, len, trash = this.env.trash_mailbox,
	list = this.message_list,
	selection = list ? $.merge([], list.get_selection()) : [];

	// exit if no mailbox specified or if selection is empty
	if (!this.env.uid && !selection.length)
	return;

	// also select childs of collapsed rows
	for (i=0, len=selection.length; i<len; i++) {
	uid = selection[i];
	if (list.rows[uid].has_children && !list.rows[uid].expanded)
	list.select_childs(uid);
	}

	// if config is set to flag for deletion
	if (this.env.flag_for_deletion) {
	this.mark_message('delete');
	return false;
	}
	// if there isn't a defined trash mailbox or we are in it
	// @TODO: we should check if defined trash mailbox exists
	else if (!trash \|\| this.env.mailbox == trash)
	this.permanently_remove_messages();
	// we're in Junk folder and delete_junk is enabled
	else if (this.env.delete_junk && this.env.junk_mailbox && this.env.mailbox == this.env.junk_mailbox)
	this.permanently_remove_messages();
	// if there is a trash mailbox defined and we're not currently in it
	else {
	// if shift was pressed delete it immediately
	if ((list && list.modkey == SHIFT_KEY) \|\| (event && rcube_event.get_modifier(event) == SHIFT_KEY)) {
	if (confirm(this.get_label('deletemessagesconfirm')))
	this.permanently_remove_messages();
	}
	else
	this.move_messages(trash);
	}

	return true;
	};

	// delete the selected messages permanently
	this.permanently_remove_messages = function()
	{
	// exit if no mailbox specified or if selection is empty
	if (!this.env.uid && (!this.message_list \|\| !this.message_list.get_selection().length))
	return;

	this.show_contentframe(false);
	this._with_selected_messages('delete', false, {_from: this.env.action ? this.env.action : ''});
	};

	// Send a specifc moveto/delete request with UIDs of all selected messages
	// @private
	this._with_selected_messages = function(action, lock, post_data)
	{
	var a_uids = [], count = 0, msg, lock;

	if (typeof(post_data) != 'object')
	post_data = {};

	if (this.env.uid)
	a_uids[0] = this.env.uid;
	else {
	var n, id, root, roots = [],
	selection = this.message_list.get_selection();

	for (n=0, len=selection.length; n<len; n++) {
	id = selection[n];
	a_uids.push(id);

	if (this.env.threading) {
	count += this.update_thread(id);
	root = this.message_list.find_root(id);
	if (root != id && $.inArray(root, roots) < 0) {
	roots.push(root);
	}
	}
	this.message_list.remove_row(id, (this.env.display_next && n == selection.length-1));
	}
	// make sure there are no selected rows
	if (!this.env.display_next)
	this.message_list.clear_selection();
	// update thread tree icons
	for (n=0, len=roots.length; n<len; n++) {
	this.add_tree_icons(roots[n]);
	}
	}

	// also send search request to get the right messages
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	if (this.env.display_next && this.env.next_uid)
	post_data._next_uid = this.env.next_uid;

	if (count < 0)
	post_data._count = (count*-1);
	// remove threads from the end of the list
	else if (count > 0)
	this.delete_excessive_thread_rows();

	post_data._uid = this.uids_to_list(a_uids);
	post_data._mbox = this.env.mailbox;

	if (!lock) {
	msg = action == 'moveto' ? 'movingmessage' : 'deletingmessage';
	lock = this.display_message(this.get_label(msg), 'loading');
	}

	// send request to server
	this.http_post(action, post_data, lock);
	};

	// set a specific flag to one or more messages
	this.mark_message = function(flag, uid)
	{
	var a_uids = [], r_uids = [], len, n, id, selection,
	list = this.message_list;

	if (uid)
	a_uids[0] = uid;
	else if (this.env.uid)
	a_uids[0] = this.env.uid;
	else if (list) {
	selection = list.get_selection();
	for (n=0, len=selection.length; n<len; n++) {
	a_uids.push(selection[n]);
	}
	}

	if (!list)
	r_uids = a_uids;
	else {
	list.focus();
	for (n=0, len=a_uids.length; n<len; n++) {
	id = a_uids[n];
	if ((flag=='read' && list.rows[id].unread)
	\|\| (flag=='unread' && !list.rows[id].unread)
	\|\| (flag=='delete' && !list.rows[id].deleted)
	\|\| (flag=='undelete' && list.rows[id].deleted)
	\|\| (flag=='flagged' && !list.rows[id].flagged)
	\|\| (flag=='unflagged' && list.rows[id].flagged))
	{
	r_uids.push(id);
	}
	}
	}

	// nothing to do
	if (!r_uids.length && !this.select_all_mode)
	return;

	switch (flag) {
	case 'read':
	case 'unread':
	this.toggle_read_status(flag, r_uids);
	break;
	case 'delete':
	case 'undelete':
	this.toggle_delete_status(r_uids);
	break;
	case 'flagged':
	case 'unflagged':
	this.toggle_flagged_status(flag, a_uids);
	break;
	}
	};

	// set class to read/unread
	this.toggle_read_status = function(flag, a_uids)
	{
	var i, len = a_uids.length,
	post_data = {_uid: this.uids_to_list(a_uids), _flag: flag},
	lock = this.display_message(this.get_label('markingmessage'), 'loading');

	// mark all message rows as read/unread
	for (i=0; i<len; i++)
	this.set_message(a_uids[i], 'unread', (flag=='unread' ? true : false));

	// also send search request to get the right messages
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	this.http_post('mark', post_data, lock);

	for (i=0; i<len; i++)
	this.update_thread_root(a_uids[i], flag);
	};

	// set image to flagged or unflagged
	this.toggle_flagged_status = function(flag, a_uids)
	{
	var i, len = a_uids.length,
	post_data = {_uid: this.uids_to_list(a_uids), _flag: flag},
	lock = this.display_message(this.get_label('markingmessage'), 'loading');

	// mark all message rows as flagged/unflagged
	for (i=0; i<len; i++)
	this.set_message(a_uids[i], 'flagged', (flag=='flagged' ? true : false));

	// also send search request to get the right messages
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	this.http_post('mark', post_data, lock);
	};

	// mark all message rows as deleted/undeleted
	this.toggle_delete_status = function(a_uids)
	{
	var len = a_uids.length,
	i, uid, all_deleted = true,
	rows = this.message_list ? this.message_list.rows : [];

	if (len == 1) {
	if (!rows.length \|\| (rows[a_uids[0]] && !rows[a_uids[0]].deleted))
	this.flag_as_deleted(a_uids);
	else
	this.flag_as_undeleted(a_uids);

	return true;
	}

	for (i=0; i<len; i++) {
	uid = a_uids[i];
	if (rows[uid] && !rows[uid].deleted) {
	all_deleted = false;
	break;
	}
	}

	if (all_deleted)
	this.flag_as_undeleted(a_uids);
	else
	this.flag_as_deleted(a_uids);

	return true;
	};

	this.flag_as_undeleted = function(a_uids)
	{
	var i, len=a_uids.length,
	post_data = {_uid: this.uids_to_list(a_uids), _flag: 'undelete'},
	lock = this.display_message(this.get_label('markingmessage'), 'loading');

	for (i=0; i<len; i++)
	this.set_message(a_uids[i], 'deleted', false);

	// also send search request to get the right messages
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	this.http_post('mark', post_data, lock);
	return true;
	};

	this.flag_as_deleted = function(a_uids)
	{
	var r_uids = [],
	post_data = {_uid: this.uids_to_list(a_uids), _flag: 'delete'},
	lock = this.display_message(this.get_label('markingmessage'), 'loading'),
	rows = this.message_list ? this.message_list.rows : [],
	count = 0;

	for (var i=0, len=a_uids.length; i<len; i++) {
	uid = a_uids[i];
	if (rows[uid]) {
	if (rows[uid].unread)
	r_uids[r_uids.length] = uid;

	if (this.env.skip_deleted) {
	count += this.update_thread(uid);
	this.message_list.remove_row(uid, (this.env.display_next && i == this.message_list.selection.length-1));
	}
	else
	this.set_message(uid, 'deleted', true);
	}
	}

	// make sure there are no selected rows
	if (this.env.skip_deleted && this.message_list) {
	if(!this.env.display_next)
	this.message_list.clear_selection();
	if (count < 0)
	post_data._count = (count*-1);
	else if (count > 0)
	// remove threads from the end of the list
	this.delete_excessive_thread_rows();
	}

	if (this.env.action)
	post_data._from = this.env.action;

	// ??
	if (r_uids.length)
	post_data._ruid = this.uids_to_list(r_uids);

	if (this.env.skip_deleted && this.env.display_next && this.env.next_uid)
	post_data._next_uid = this.env.next_uid;

	// also send search request to get the right messages
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	this.http_post('mark', post_data, lock);
	return true;
	};

	// flag as read without mark request (called from backend)
	// argument should be a coma-separated list of uids
	this.flag_deleted_as_read = function(uids)
	{
	var icn_src, uid, i, len,
	rows = this.message_list ? this.message_list.rows : [];

	uids = String(uids).split(',');

	for (i=0, len=uids.length; i<len; i++) {
	uid = uids[i];
	if (rows[uid])
	this.set_message(uid, 'unread', false);
	}
	};

	// Converts array of message UIDs to comma-separated list for use in URL
	// with select_all mode checking
	this.uids_to_list = function(uids)
	{
	return this.select_all_mode ? '*' : uids.join(',');
	};

	// Sets title of the delete button
	this.set_button_titles = function()
	{
	var label = 'deletemessage';

	if (!this.env.flag_for_deletion
	&& this.env.trash_mailbox && this.env.mailbox != this.env.trash_mailbox
	&& (!this.env.delete_junk \|\| !this.env.junk_mailbox \|\| this.env.mailbox != this.env.junk_mailbox)
	)
	label = 'movemessagetotrash';

	this.set_alttext('delete', label);
	};

	/*********************************************************/
	/******* mailbox folders methods *******/
	/*********************************************************/

	this.expunge_mailbox = function(mbox)
	{
	var lock, post_data = {_mbox: mbox};

	// lock interface if it's the active mailbox
	if (mbox == this.env.mailbox) {
	lock = this.set_busy(true, 'loading');
	post_data._reload = 1;
	if (this.env.search_request)
	post_data._search = this.env.search_request;
	}

	// send request to server
	this.http_post('expunge', post_data, lock);
	};

	this.purge_mailbox = function(mbox)
	{
	var lock, post_data = {_mbox: mbox};

	if (!confirm(this.get_label('purgefolderconfirm')))
	return false;

	// lock interface if it's the active mailbox
	if (mbox == this.env.mailbox) {
	lock = this.set_busy(true, 'loading');
	post_data._reload = 1;
	}

	// send request to server
	this.http_post('purge', post_data, lock);
	};

	// test if purge command is allowed
	this.purge_mailbox_test = function()
	{
	return (this.env.messagecount && (this.env.mailbox == this.env.trash_mailbox \|\| this.env.mailbox == this.env.junk_mailbox
	\|\| this.env.mailbox.match('^' + RegExp.escape(this.env.trash_mailbox) + RegExp.escape(this.env.delimiter))
	\|\| this.env.mailbox.match('^' + RegExp.escape(this.env.junk_mailbox) + RegExp.escape(this.env.delimiter))));
	};


	/*********************************************************/
	/******* login form methods *******/
	/*********************************************************/

	// handler for keyboard events on the _user field
	this.login_user_keyup = function(e)
	{
	var key = rcube_event.get_keycode(e);
	var passwd = $('#rcmloginpwd');

	// enter
	if (key == 13 && passwd.length && !passwd.val()) {
	passwd.focus();
	return rcube_event.cancel(e);
	}

	return true;
	};


	/*********************************************************/
	/******* message compose methods *******/
	/*********************************************************/

	this.open_compose_step = function(p)
	{
	var url = this.url('mail/compose', p);

	// open new compose window
	if (this.env.compose_extwin && !this.env.extwin) {
	this.open_window(url, 1150, 900);
	}
	else {
	this.redirect(url);
	window.resizeTo(Math.max(1150, $(window).width()), Math.max(900, $(window).height()));
	}
	};

	// init message compose form: set focus and eventhandlers
	this.init_messageform = function()
	{
	if (!this.gui_objects.messageform)
	return false;

	var input_from = $("[name='_from']"),
	input_to = $("[name='_to']"),
	input_subject = $("input[name='_subject']"),
	input_message = $("[name='_message']").get(0),
	html_mode = $("input[name='_is_html']").val() == '1',
	ac_fields = ['cc', 'bcc', 'replyto', 'followupto'],
	ac_props;

	// close compose step in opener
	if (window.opener && opener.rcmail && opener.rcmail.env.action == 'compose') {
	setTimeout(function(){ opener.history.back(); }, 100);
	this.env.opened_extwin = true;
	}

	// configure parallel autocompletion
	if (this.env.autocomplete_threads > 0) {
	ac_props = {
	threads: this.env.autocomplete_threads,
	sources: this.env.autocomplete_sources
	};
	}

	// init live search events
	this.init_address_input_events(input_to, ac_props);
	for (var i in ac_fields) {
	this.init_address_input_events($("[name='_"+ac_fields[i]+"']"), ac_props);
	}

	if (!html_mode) {
	this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
	// add signature according to selected identity
	// if we have HTML editor, signature is added in callback
	if (input_from.prop('type') == 'select-one' && !this.env.opened_extwin) {
	this.change_identity(input_from[0]);
	}
	}

	if (input_to.val() == '')
	input_to.focus();
	else if (input_subject.val() == '')
	input_subject.focus();
	else if (input_message)
	input_message.focus();

	this.env.compose_focus_elem = document.activeElement;

	// get summary of all field values
	this.compose_field_hash(true);

	// start the auto-save timer
	this.auto_save_start();
	};

	this.init_address_input_events = function(obj, props)
	{
	this.env.recipients_delimiter = this.env.recipients_separator + ' ';

	obj[bw.ie \|\| bw.safari \|\| bw.chrome ? 'keydown' : 'keypress'](function(e) { return ref.ksearch_keydown(e, this, props); })
	.attr('autocomplete', 'off');
	};

	this.submit_messageform = function(draft)
	{
	var form = this.gui_objects.messageform;

	if (!form)
	return;

	// all checks passed, send message
	var msgid = this.set_busy(true, draft ? 'savingmessage' : 'sendingmessage'),
	lang = this.spellcheck_lang(),
	files = [];

	// send files list
	$('li', this.gui_objects.attachmentlist).each(function() { files.push(this.id.replace(/^rcmfile/, '')); });
	$('input[name="_attachments"]', form).val(files.join());

	form.target = 'savetarget';
	form._draft.value = draft ? '1' : '';
	form.action = this.add_url(form.action, '_unlock', msgid);
	form.action = this.add_url(form.action, '_lang', lang);
	form.submit();
	};

	this.compose_recipient_select = function(list)
	{
	this.enable_command('add-recipient', list.selection.length > 0);
	};

	this.compose_add_recipient = function(field)
	{
	var recipients = [], input = $('#_'+field);

	if (this.contact_list && this.contact_list.selection.length) {
	for (var id, n=0; n < this.contact_list.selection.length; n++) {
	id = this.contact_list.selection[n];
	if (id && this.env.contactdata[id]) {
	recipients.push(this.env.contactdata[id]);

	// group is added, expand it
	if (id.charAt(0) == 'E' && this.env.contactdata[id].indexOf('@') < 0 && input.length) {
	var gid = id.substr(1);
	this.group2expand[gid] = { name:this.env.contactdata[id], input:input.get(0) };
	this.http_request('group-expand', {_source: this.env.source, _gid: gid}, false);
	}
	}
	}
	}

	if (recipients.length && input.length) {
	var oldval = input.val();
	input.val((oldval ? oldval + this.env.recipients_delimiter : '') + recipients.join(this.env.recipients_delimiter));
	this.triggerEvent('add-recipient', { field:field, recipients:recipients });
	}
	};

	// checks the input fields before sending a message
	this.check_compose_input = function(cmd)
	{
	// check input fields
	var ed, input_to = $("[name='_to']"),
	input_cc = $("[name='_cc']"),
	input_bcc = $("[name='_bcc']"),
	input_from = $("[name='_from']"),
	input_subject = $("[name='_subject']"),
	input_message = $("[name='_message']");

	// check sender (if have no identities)
	if (input_from.prop('type') == 'text' && !rcube_check_email(input_from.val(), true)) {
	alert(this.get_label('nosenderwarning'));
	input_from.focus();
	return false;
	}

	// check for empty recipient
	var recipients = input_to.val() ? input_to.val() : (input_cc.val() ? input_cc.val() : input_bcc.val());
	if (!rcube_check_email(recipients.replace(/^\s+/, '').replace(/[\s,;]+$/, ''), true)) {
	alert(this.get_label('norecipientwarning'));
	input_to.focus();
	return false;
	}

	// check if all files has been uploaded
	for (var key in this.env.attachments) {
	if (typeof this.env.attachments[key] === 'object' && !this.env.attachments[key].complete) {
	alert(this.get_label('notuploadedwarning'));
	return false;
	}
	}

	// display localized warning for missing subject
	if (input_subject.val() == '') {
	var myprompt = $('<div class="prompt">').html('<div class="message">' + this.get_label('nosubjectwarning') + '</div>').appendTo(document.body);
	var prompt_value = $('<input>').attr('type', 'text').attr('size', 30).appendTo(myprompt).val(this.get_label('nosubject'));

	var buttons = {};
	buttons[this.get_label('cancel')] = function(){
	input_subject.focus();
	$(this).dialog('close');
	};
	buttons[this.get_label('sendmessage')] = function(){
	input_subject.val(prompt_value.val());
	$(this).dialog('close');
	ref.command(cmd, { nocheck:true }); // repeat command which triggered this
	};

	myprompt.dialog({
	modal: true,
	resizable: false,
	buttons: buttons,
	close: function(event, ui) { $(this).remove() }
	});
	prompt_value.select();
	return false;
	}

	// Apply spellcheck changes if spell checker is active
	this.stop_spellchecking();

	if (window.tinyMCE)
	ed = tinyMCE.get(this.env.composebody);

	// check for empty body
	if (!ed && input_message.val() == '' && !confirm(this.get_label('nobodywarning'))) {
	input_message.focus();
	return false;
	}
	else if (ed) {
	if (!ed.getContent() && !confirm(this.get_label('nobodywarning'))) {
	ed.focus();
	return false;
	}
	// move body from html editor to textarea (just to be sure, #1485860)
	tinyMCE.triggerSave();
	}

	return true;
	};

	this.toggle_editor = function(props)
	{
	this.stop_spellchecking();

	if (props.mode == 'html') {
	this.plain2html($('#'+props.id).val(), props.id);
	tinyMCE.execCommand('mceAddControl', false, props.id);

	if (this.env.default_font)
	setTimeout(function() {
	$(tinyMCE.get(props.id).getBody()).css('font-family', rcmail.env.default_font);
	}, 500);
	}
	else {
	var thisMCE = tinyMCE.get(props.id), existingHtml;

	if (existingHtml = thisMCE.getContent()) {
	if (!confirm(this.get_label('editorwarning'))) {
	return false;
	}
	this.html2plain(existingHtml, props.id);
	}
	tinyMCE.execCommand('mceRemoveControl', false, props.id);
	}

	return true;
	};

	this.stop_spellchecking = function()
	{
	var ed;

	if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) {
	if (ed.plugins && ed.plugins.spellchecker && ed.plugins.spellchecker.active)
	ed.execCommand('mceSpellCheck');
	}
	else if (ed = this.env.spellcheck) {
	if (ed.state && ed.state != 'ready' && ed.state != 'no_error_found')
	$(ed.spell_span).trigger('click');
	}

	this.spellcheck_state();
	};

	this.spellcheck_state = function()
	{
	var ed, active;

	if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
	active = ed.plugins.spellchecker.active;
	else if ((ed = this.env.spellcheck) && ed.state)
	active = ed.state != 'ready' && ed.state != 'no_error_found';

	if (rcmail.buttons.spellcheck)
	$('#'+rcmail.buttons.spellcheck[0].id)[active ? 'addClass' : 'removeClass']('selected');

	return active;
	};

	// get selected language
	this.spellcheck_lang = function()
	{
	var ed;

	if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
	return ed.plugins.spellchecker.selectedLang;
	else if (this.env.spellcheck)
	return GOOGIE_CUR_LANG;
	};

	this.spellcheck_lang_set = function(lang)
	{
	var ed;

	if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins)
	ed.plugins.spellchecker.selectedLang = lang;
	else if (this.env.spellcheck)
	this.env.spellcheck.setCurrentLanguage(lang);
	};

	// resume spellchecking, highlight provided mispellings without new ajax request
	this.spellcheck_resume = function(ishtml, data)
	{
	if (ishtml) {
	var ed = tinyMCE.get(this.env.composebody);
	sp = ed.plugins.spellchecker;

	sp.active = 1;
	sp._markWords(data);
	ed.nodeChanged();
	}
	else {
	var sp = this.env.spellcheck;
	sp.prepare(false, true);
	sp.processData(data);
	}

	this.spellcheck_state();
	}

	this.set_draft_id = function(id)
	{
	$("input[name='_draft_saveid']").val(id);
	};

	this.auto_save_start = function()
	{
	if (this.env.draft_autosave)
	this.save_timer = setTimeout(function(){ ref.command("savedraft"); }, this.env.draft_autosave * 1000);

	// Unlock interface now that saving is complete
	this.busy = false;
	};

	this.compose_field_hash = function(save)
	{
	// check input fields
	var ed, i, val, str = '', hash_fields = ['to', 'cc', 'bcc', 'subject'];

	for (i=0; i<hash_fields.length; i++)
	if (val = $('[name="_' + hash_fields[i] + '"]').val())
	str += val + ':';

	if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)))
	str += ed.getContent();
	else
	str += $("[name='_message']").val();

	if (this.env.attachments)
	for (var upload_id in this.env.attachments)
	str += upload_id;

	if (save)
	this.cmp_hash = str;

	return str;
	};

	this.change_identity = function(obj, show_sig)
	{
	if (!obj \|\| !obj.options)
	return false;

	if (!show_sig)
	show_sig = this.env.show_sig;

	var cursor_pos, p = -1,
	id = obj.options[obj.selectedIndex].value,
	input_message = $("[name='_message']"),
	message = input_message.val(),
	is_html = ($("input[name='_is_html']").val() == '1'),
	sig = this.env.identity;

	// enable manual signature insert
	if (this.env.signatures && this.env.signatures[id]) {
	this.enable_command('insert-sig', true);
	this.env.compose_commands.push('insert-sig');
	}
	else
	this.enable_command('insert-sig', false);

	if (!is_html) {
	// remove the 'old' signature
	if (show_sig && sig && this.env.signatures && this.env.signatures[sig]) {
	sig = this.env.signatures[sig].text;
	sig = sig.replace(/\r\n/g, '\n');

	p = this.env.sig_above ? message.indexOf(sig) : message.lastIndexOf(sig);
	if (p >= 0)
	message = message.substring(0, p) + message.substring(p+sig.length, message.length);
	}
	// add the new signature string
	if (show_sig && this.env.signatures && this.env.signatures[id]) {
	sig = this.env.signatures[id].text;
	sig = sig.replace(/\r\n/g, '\n');

	if (this.env.sig_above) {
	if (p >= 0) { // in place of removed signature
	message = message.substring(0, p) + sig + message.substring(p, message.length);
	cursor_pos = p - 1;
	}
	else if (pos = this.get_caret_pos(input_message.get(0))) { // at cursor position
	message = message.substring(0, pos) + '\n' + sig + '\n\n' + message.substring(pos, message.length);
	cursor_pos = pos;
	}
	else { // on top
	cursor_pos = 0;
	message = '\n\n' + sig + '\n\n' + message.replace(/^[\r\n]+/, '');
	}
	}
	else {
	message = message.replace(/[\r\n]+$/, '');
	cursor_pos = !this.env.top_posting && message.length ? message.length+1 : 0;
	message += '\n\n' + sig;
	}
	}
	else
	cursor_pos = this.env.top_posting ? 0 : message.length;

	input_message.val(message);

	// move cursor before the signature
	this.set_caret_pos(input_message.get(0), cursor_pos);
	}
	else if (show_sig && this.env.signatures) { // html
	var editor = tinyMCE.get(this.env.composebody),
	sigElem = editor.dom.get('_rc_sig');

	// Append the signature as a div within the body
	if (!sigElem) {
	var body = editor.getBody(),
	doc = editor.getDoc();

	sigElem = doc.createElement('div');
	sigElem.setAttribute('id', '_rc_sig');

	if (this.env.sig_above) {
	// if no existing sig and top posting then insert at caret pos
	editor.getWin().focus(); // correct focus in IE & Chrome

	var node = editor.selection.getNode();
	if (node.nodeName == 'BODY') {
	// no real focus, insert at start
	body.insertBefore(sigElem, body.firstChild);
	body.insertBefore(doc.createElement('br'), body.firstChild);
	}
	else {
	body.insertBefore(sigElem, node.nextSibling);
	body.insertBefore(doc.createElement('br'), node.nextSibling);
	}
	}
	else {
	if (bw.ie) // add empty line before signature on IE
	body.appendChild(doc.createElement('br'));

	body.appendChild(sigElem);
	}
	}

	if (this.env.signatures[id])
	sigElem.innerHTML = this.env.signatures[id].html;
	}

	this.env.identity = id;
	return true;
	};

	// upload attachment file
	this.upload_file = function(form)
	{
	if (!form)
	return false;

	// get file input field, count files on capable browser
	var i, size = 0, field = $('input[type=file]', form).get(0),
	files = field.files ? field.files.length : field.value ? 1 : 0;

	// create hidden iframe and post upload form
	if (files) {
	// check file size
	if (field.files && this.env.max_filesize && this.env.filesizeerror) {
	for (i=0; i<files; i++)
	size += field.files[i].size;
	if (size && size > this.env.max_filesize) {
	this.display_message(this.env.filesizeerror, 'error');
	return;
	}
	}

	var frame_name = this.async_upload_form(form, 'upload', function(e) {
	var d, content = '';
	try {
	if (this.contentDocument) {
	d = this.contentDocument;
	} else if (this.contentWindow) {
	d = this.contentWindow.document;
	}
	content = d.childNodes[0].innerHTML;
	} catch (err) {}

	if (!content.match(/add2attachment/) && (!bw.opera \|\| (rcmail.env.uploadframe && rcmail.env.uploadframe == e.data.ts))) {
	if (!content.match(/display_message/))
	rcmail.display_message(rcmail.get_label('fileuploaderror'), 'error');
	rcmail.remove_from_attachment_list(e.data.ts);
	}
	// Opera hack: handle double onload
	if (bw.opera)
	rcmail.env.uploadframe = e.data.ts;
	});

	// display upload indicator and cancel button
	var content = '<span>' + this.get_label('uploading' + (files > 1 ? 'many' : '')) + '</span>',
	ts = frame_name.replace(/^rcmupload/, '');

	this.add2attachment_list(ts, { name:'', html:content, classname:'uploading', frame:frame_name, complete:false });

	// upload progress support
	if (this.env.upload_progress_time) {
	this.upload_progress_start('upload', ts);
	}
	}

	// set reference to the form object
	this.gui_objects.attachmentform = form;
	return true;
	};

	// add file name to attachment list
	// called from upload page
	this.add2attachment_list = function(name, att, upload_id)
	{
	if (!this.gui_objects.attachmentlist)
	return false;

	if (!att.complete && ref.env.loadingicon)
	att.html = '<img src="'+ref.env.loadingicon+'" alt="" class="uploading" />' + att.html;

	if (!att.complete && att.frame)
	att.html = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+name+'\', \''+att.frame+'\');" href="#cancelupload" class="cancelupload">'
	+ (this.env.cancelicon ? '<img src="'+this.env.cancelicon+'" alt="" />' : this.get_label('cancel')) + '</a>' + att.html;

	var indicator, li = $('<li>').attr('id', name).addClass(att.classname).html(att.html);

	// replace indicator's li
	if (upload_id && (indicator = document.getElementById(upload_id))) {
	li.replaceAll(indicator);
	}
	else { // add new li
	li.appendTo(this.gui_objects.attachmentlist);
	}

	if (upload_id && this.env.attachments[upload_id])
	delete this.env.attachments[upload_id];

	this.env.attachments[name] = att;

	return true;
	};

	this.remove_from_attachment_list = function(name)
	{
	delete this.env.attachments[name];
	$('#'+name).remove();
	};

	this.remove_attachment = function(name)
	{
	if (name && this.env.attachments[name])
	this.http_post('remove-attachment', { _id:this.env.compose_id, _file:name });

	return true;
	};

	this.cancel_attachment_upload = function(name, frame_name)
	{
	if (!name \|\| !frame_name)
	return false;

	this.remove_from_attachment_list(name);
	$("iframe[name='"+frame_name+"']").remove();
	return false;
	};

	this.upload_progress_start = function(action, name)
	{
	setTimeout(function() { rcmail.http_request(action, {_progress: name}); },
	this.env.upload_progress_time * 1000);
	};

	this.upload_progress_update = function(param)
	{
	var elem = $('#'+param.name + '> span');

	if (!elem.length \|\| !param.text)
	return;

	elem.text(param.text);

	if (!param.done)
	this.upload_progress_start(param.action, param.name);
	};

	// send remote request to add a new contact
	this.add_contact = function(value)
	{
	if (value)
	this.http_post('addcontact', {_address: value});

	return true;
	};

	// send remote request to search mail or contacts
	this.qsearch = function(value)
	{
	if (value != '') {
	var r, lock = this.set_busy(true, 'searching'),
	url = this.search_params(value);

	if (this.message_list)
	this.clear_message_list();
	else if (this.contact_list)
	this.list_contacts_clear();

	if (this.env.source)
	url._source = this.env.source;
	if (this.env.group)
	url._gid = this.env.group;

	// reset vars
	this.env.current_page = 1;

	r = this.http_request('search', url, lock);

	this.env.qsearch = {lock: lock, request: r};
	}
	};

	// build URL params for search
	this.search_params = function(search, filter)
	{
	var n, url = {}, mods_arr = [],
	mods = this.env.search_mods,
	mbox = this.env.mailbox;

	if (!filter && this.gui_objects.search_filter)
	filter = this.gui_objects.search_filter.value;

	if (!search && this.gui_objects.qsearchbox)
	search = this.gui_objects.qsearchbox.value;

	if (filter)
	url._filter = filter;

	if (search) {
	url._q = search;

	if (mods && this.message_list)
	mods = mods[mbox] ? mods[mbox] : mods['*'];

	if (mods) {
	for (n in mods)
	mods_arr.push(n);
	url._headers = mods_arr.join(',');
	}
	}

	if (mbox)
	url._mbox = mbox;

	return url;
	};

	// reset quick-search form
	this.reset_qsearch = function()
	{
	if (this.gui_objects.qsearchbox)
	this.gui_objects.qsearchbox.value = '';

	if (this.env.qsearch)
	this.abort_request(this.env.qsearch);

	this.env.qsearch = null;
	this.env.search_request = null;
	this.env.search_id = null;
	};

	this.sent_successfully = function(type, msg)
	{
	this.display_message(msg, type);

	if (this.env.extwin && window.opener && opener.rcmail) {
	this.lock_form(this.gui_objects.messageform);
	opener.rcmail.display_message(msg, type);
	setTimeout(function(){ window.close() }, 1000);
	}
	else {
	// before redirect we need to wait some time for Chrome (#1486177)
	setTimeout(function(){ ref.list_mailbox(); }, 500);
	}
	};


	/*********************************************************/
	/******* keyboard live-search methods *******/
	/*********************************************************/

	// handler for keyboard events on address-fields
	this.ksearch_keydown = function(e, obj, props)
	{
	if (this.ksearch_timer)
	clearTimeout(this.ksearch_timer);

	var highlight,
	key = rcube_event.get_keycode(e),
	mod = rcube_event.get_modifier(e);

	switch (key) {
	case 38: // arrow up
	case 40: // arrow down
	if (!this.ksearch_visible())
	break;

	var dir = key==38 ? 1 : 0;

	highlight = document.getElementById('rcmksearchSelected');
	if (!highlight)
	highlight = this.ksearch_pane.__ul.firstChild;

	if (highlight)
	this.ksearch_select(dir ? highlight.previousSibling : highlight.nextSibling);

	return rcube_event.cancel(e);

	case 9: // tab
	if (mod == SHIFT_KEY \|\| !this.ksearch_visible()) {
	this.ksearch_hide();
	return;
	}

	case 13: // enter
	if (!this.ksearch_visible())
	return false;

	// insert selected address and hide ksearch pane
	this.insert_recipient(this.ksearch_selected);
	this.ksearch_hide();

	return rcube_event.cancel(e);

	case 27: // escape
	this.ksearch_hide();
	return;

	case 37: // left
	case 39: // right
	if (mod != SHIFT_KEY)
	return;
	}

	// start timer
	this.ksearch_timer = setTimeout(function(){ ref.ksearch_get_results(props); }, 200);
	this.ksearch_input = obj;

	return true;
	};

	this.ksearch_visible = function()
	{
	return (this.ksearch_selected !== null && this.ksearch_selected !== undefined && this.ksearch_value);
	};

	this.ksearch_select = function(node)
	{
	var current = $('#rcmksearchSelected');
	if (current[0] && node) {
	current.removeAttr('id').removeClass('selected');
	}

	if (node) {
	$(node).attr('id', 'rcmksearchSelected').addClass('selected');
	this.ksearch_selected = node._rcm_id;
	}
	};

	this.insert_recipient = function(id)
	{
	if (id === null \|\| !this.env.contacts[id] \|\| !this.ksearch_input)
	return;

	// get cursor pos
	var inp_value = this.ksearch_input.value,
	cpos = this.get_caret_pos(this.ksearch_input),
	p = inp_value.lastIndexOf(this.ksearch_value, cpos),
	trigger = false,
	insert = '',
	// replace search string with full address
	pre = inp_value.substring(0, p),
	end = inp_value.substring(p+this.ksearch_value.length, inp_value.length);

	this.ksearch_destroy();

	// insert all members of a group
	if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].id) {
	insert += this.env.contacts[id].name + this.env.recipients_delimiter;
	this.group2expand[this.env.contacts[id].id] = $.extend({ input: this.ksearch_input }, this.env.contacts[id]);
	this.http_request('mail/group-expand', {_source: this.env.contacts[id].source, _gid: this.env.contacts[id].id}, false);
	}
	else if (typeof this.env.contacts[id] === 'string') {
	insert = this.env.contacts[id] + this.env.recipients_delimiter;
	trigger = true;
	}

	this.ksearch_input.value = pre + insert + end;

	// set caret to insert pos
	cpos = p+insert.length;
	if (this.ksearch_input.setSelectionRange)
	this.ksearch_input.setSelectionRange(cpos, cpos);

	if (trigger)
	this.triggerEvent('autocomplete_insert', { field:this.ksearch_input, insert:insert });
	};

	this.replace_group_recipients = function(id, recipients)
	{
	if (this.group2expand[id]) {
	this.group2expand[id].input.value = this.group2expand[id].input.value.replace(this.group2expand[id].name, recipients);
	this.triggerEvent('autocomplete_insert', { field:this.group2expand[id].input, insert:recipients });
	this.group2expand[id] = null;
	}
	};

	// address search processor
	this.ksearch_get_results = function(props)
	{
	var inp_value = this.ksearch_input ? this.ksearch_input.value : null;

	if (inp_value === null)
	return;

	if (this.ksearch_pane && this.ksearch_pane.is(":visible"))
	this.ksearch_pane.hide();

	// get string from current cursor pos to last comma
	var cpos = this.get_caret_pos(this.ksearch_input),
	p = inp_value.lastIndexOf(this.env.recipients_separator, cpos-1),
	q = inp_value.substring(p+1, cpos),
	min = this.env.autocomplete_min_length,
	ac = this.ksearch_data;

	// trim query string
	q = $.trim(q);

	// Don't (re-)search if the last results are still active
	if (q == this.ksearch_value)
	return;

	this.ksearch_destroy();

	if (q.length && q.length < min) {
	if (!this.ksearch_info) {
	this.ksearch_info = this.display_message(
	this.get_label('autocompletechars').replace('$min', min));
	}
	return;
	}

	var old_value = this.ksearch_value;
	this.ksearch_value = q;

	// ...string is empty
	if (!q.length)
	return;

	// ...new search value contains old one and previous search was not finished or its result was empty
	if (old_value && old_value.length && q.indexOf(old_value) == 0 && (!ac \|\| ac.num <= 0) && this.env.contacts && !this.env.contacts.length)
	return;

	var i, lock, source, xhr, reqid = new Date().getTime(),
	post_data = {_search: q, _id: reqid},
	threads = props && props.threads ? props.threads : 1,
	sources = props && props.sources ? props.sources : [],
	action = props && props.action ? props.action : 'mail/autocomplete';

	this.ksearch_data = {id: reqid, sources: sources.slice(), action: action,
	locks: [], requests: [], num: sources.length};

	for (i=0; i<threads; i++) {
	source = this.ksearch_data.sources.shift();
	if (threads > 1 && source === undefined)
	break;

	post_data._source = source ? source : '';
	lock = this.display_message(this.get_label('searching'), 'loading');
	xhr = this.http_post(action, post_data, lock);

	this.ksearch_data.locks.push(lock);
	this.ksearch_data.requests.push(xhr);
	}
	};

	this.ksearch_query_results = function(results, search, reqid)
	{
	// search stopped in meantime?
	if (!this.ksearch_value)
	return;

	// ignore this outdated search response
	if (this.ksearch_input && search != this.ksearch_value)
	return;

	// display search results
	var i, len, ul, li, text, init,
	value = this.ksearch_value,
	data = this.ksearch_data,
	maxlen = this.env.autocomplete_max ? this.env.autocomplete_max : 15;

	// create results pane if not present
	if (!this.ksearch_pane) {
	ul = $('<ul>');
	this.ksearch_pane = $('<div>').attr('id', 'rcmKSearchpane')
	.css({ position:'absolute', 'z-index':30000 }).append(ul).appendTo(document.body);
	this.ksearch_pane.__ul = ul[0];
	}

	ul = this.ksearch_pane.__ul;

	// remove all search results or add to existing list if parallel search
	if (reqid && this.ksearch_pane.data('reqid') == reqid) {
	maxlen -= ul.childNodes.length;
	}
	else {
	this.ksearch_pane.data('reqid', reqid);
	init = 1;
	// reset content
	ul.innerHTML = '';
	this.env.contacts = [];
	// move the results pane right under the input box
	var pos = $(this.ksearch_input).offset();
	this.ksearch_pane.css({ left:pos.left+'px', top:(pos.top + this.ksearch_input.offsetHeight)+'px', display: 'none'});
	}

	// add each result line to list
	if (results && (len = results.length)) {
	for (i=0; i < len && maxlen > 0; i++) {
	text = typeof results[i] === 'object' ? results[i].name : results[i];
	li = document.createElement('LI');
	li.innerHTML = text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%').replace(/</g, '<').replace(/>/g, '>').replace(/##([^%]+)%%/g, '<b>$1</b>');
	li.onmouseover = function(){ ref.ksearch_select(this); };
	li.onmouseup = function(){ ref.ksearch_click(this) };
	li._rcm_id = this.env.contacts.length + i;
	ul.appendChild(li);
	maxlen -= 1;
	}
	}

	if (ul.childNodes.length) {
	this.ksearch_pane.show();
	// select the first
	if (!this.env.contacts.length) {
	$('li:first', ul).attr('id', 'rcmksearchSelected').addClass('selected');
	this.ksearch_selected = 0;
	}
	}

	if (len)
	this.env.contacts = this.env.contacts.concat(results);

	// run next parallel search
	if (data.id == reqid) {
	data.num--;
	if (maxlen > 0 && data.sources.length) {
	var lock, xhr, source = data.sources.shift(), post_data;
	if (source) {
	post_data = {_search: value, _id: reqid, _source: source};
	lock = this.display_message(this.get_label('searching'), 'loading');
	xhr = this.http_post(data.action, post_data, lock);

	this.ksearch_data.locks.push(lock);
	this.ksearch_data.requests.push(xhr);
	}
	}
	else if (!maxlen) {
	if (!this.ksearch_msg)
	this.ksearch_msg = this.display_message(this.get_label('autocompletemore'));
	// abort pending searches
	this.ksearch_abort();
	}
	}
	};

	this.ksearch_click = function(node)
	{
	if (this.ksearch_input)
	this.ksearch_input.focus();

	this.insert_recipient(node._rcm_id);
	this.ksearch_hide();
	};

	this.ksearch_blur = function()
	{
	if (this.ksearch_timer)
	clearTimeout(this.ksearch_timer);

	this.ksearch_input = null;
	this.ksearch_hide();
	};

	this.ksearch_hide = function()
	{
	this.ksearch_selected = null;
	this.ksearch_value = '';

	if (this.ksearch_pane)
	this.ksearch_pane.hide();

	this.ksearch_destroy();
	};

	// Clears autocomplete data/requests
	this.ksearch_destroy = function()
	{
	this.ksearch_abort();

	if (this.ksearch_info)
	this.hide_message(this.ksearch_info);

	if (this.ksearch_msg)
	this.hide_message(this.ksearch_msg);

	this.ksearch_data = null;
	this.ksearch_info = null;
	this.ksearch_msg = null;
	}

	// Aborts pending autocomplete requests
	this.ksearch_abort = function()
	{
	var i, len, ac = this.ksearch_data;

	if (!ac)
	return;

	for (i=0, len=ac.locks.length; i<len; i++)
	this.abort_request({request: ac.requests[i], lock: ac.locks[i]});
	};


	/*********************************************************/
	/******* address book methods *******/
	/*********************************************************/

	this.contactlist_keypress = function(list)
	{
	if (list.key_pressed == list.DELETE_KEY)
	this.command('delete');
	};

	this.contactlist_select = function(list)
	{
	if (this.preview_timer)
	clearTimeout(this.preview_timer);

	var n, id, sid, ref = this, writable = false,
	source = this.env.source ? this.env.address_sources[this.env.source] : null;

	if (id = list.get_single_selection())
	this.preview_timer = setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
	else if (this.env.contentframe)
	this.show_contentframe(false);

	// no source = search result, we'll need to detect if any of
	// selected contacts are in writable addressbook to enable edit/delete
	if (list.selection.length) {
	if (!source) {
	for (n in list.selection) {
	sid = String(list.selection[n]).replace(/^[^-]+-/, '');
	if (sid && this.env.address_sources[sid] && !this.env.address_sources[sid].readonly) {
	writable = true;
	break;
	}
	}
	}
	else {
	writable = !source.readonly;
	}
	}

	// if a group is currently selected, and there is at least one contact selected
	// thend we can enable the group-remove-selected command
	this.enable_command('group-remove-selected', this.env.group && list.selection.length > 0);
	this.enable_command('compose', this.env.group \|\| list.selection.length > 0);
	this.enable_command('edit', id && writable);
	this.enable_command('delete', list.selection.length && writable);

	return false;
	};

	this.list_contacts = function(src, group, page)
	{
	var win, folder, url = {},
	target = window;

	if (!src)
	src = this.env.source;

	if (page && this.current_page == page && src == this.env.source && group == this.env.group)
	return false;

	if (src != this.env.source) {
	page = this.env.current_page = 1;
	this.reset_qsearch();
	}
	else if (group != this.env.group)
	page = this.env.current_page = 1;

	if (this.env.search_id)
	folder = 'S'+this.env.search_id;
	else
	folder = group ? 'G'+src+group : src;

	this.select_folder(folder);

	this.env.source = src;
	this.env.group = group;

	// load contacts remotely
	if (this.gui_objects.contactslist) {
	this.list_contacts_remote(src, group, page);
	return;
	}

	if (win = this.get_frame_window(this.env.contentframe)) {
	target = win;
	url._framed = 1;
	}

	if (group)
	url._gid = group;
	if (page)
	url._page = page;
	if (src)
	url._source = src;

	// also send search request to get the correct listing
	if (this.env.search_request)
	url._search = this.env.search_request;

	this.set_busy(true, 'loading');
	this.location_href(url, target);
	};

	// send remote request to load contacts list
	this.list_contacts_remote = function(src, group, page)
	{
	// clear message list first
	this.list_contacts_clear();

	// send request to server
	var url = {}, lock = this.set_busy(true, 'loading');

	if (src)
	url._source = src;
	if (page)
	url._page = page;
	if (group)
	url._gid = group;

	this.env.source = src;
	this.env.group = group;

	// also send search request to get the right messages
	if (this.env.search_request)
	url._search = this.env.search_request;

	this.http_request(this.env.task == 'mail' ? 'list-contacts' : 'list', url, lock);
	};

	this.list_contacts_clear = function()
	{
	this.contact_list.clear(true);
	this.show_contentframe(false);
	this.enable_command('delete', false);
	this.enable_command('compose', this.env.group ? true : false);
	};

	// load contact record
	this.load_contact = function(cid, action, framed)
	{
	var win, url = {}, target = window;

	if (win = this.get_frame_window(this.env.contentframe)) {
	url._framed = 1;
	target = win;
	this.show_contentframe(true);

	// load dummy content
	if (!cid) {
	// unselect selected row(s)
	this.contact_list.clear_selection();
	this.enable_command('delete', 'compose', false);
	}
	}
	else if (framed)
	return false;

	if (action && (cid \|\| action=='add') && !this.drag_active) {
	if (this.env.group)
	url._gid = this.env.group;

	url._action = action;
	url._source = this.env.source;
	url._cid = cid;

	this.location_href(url, target, true);
	}

	return true;
	};

	// add/delete member to/from the group
	this.group_member_change = function(what, cid, source, gid)
	{
	what = what == 'add' ? 'add' : 'del';
	var label = this.get_label(what == 'add' ? 'addingmember' : 'removingmember'),
	lock = this.display_message(label, 'loading'),
	post_data = {_cid: cid, _source: source, _gid: gid};

	this.http_post('group-'+what+'members', post_data, lock);
	};

	// copy a contact to the specified target (group or directory)
	this.copy_contact = function(cid, to)
	{
	if (!cid)
	cid = this.contact_list.get_selection().join(',');

	if (to.type == 'group' && to.source == this.env.source)
	this.group_member_change('add', cid, to.source, to.id);
	else if (to.type == 'group' && !this.env.address_sources[to.source].readonly) {
	var lock = this.display_message(this.get_label('copyingcontact'), 'loading'),
	post_data = {_cid: cid, _source: this.env.source, _to: to.source, _togid: to.id,
	_gid: (this.env.group ? this.env.group : '')};

	this.http_post('copy', post_data, lock);
	}
	else if (to.id != this.env.source && cid && this.env.address_sources[to.id] && !this.env.address_sources[to.id].readonly) {
	var lock = this.display_message(this.get_label('copyingcontact'), 'loading'),
	post_data = {_cid: cid, _source: this.env.source, _to: to.id,
	_gid: (this.env.group ? this.env.group : '')};

	this.http_post('copy', post_data, lock);
	}
	};

	this.delete_contacts = function()
	{
	var selection = this.contact_list.get_selection(),
	undelete = this.env.source && this.env.address_sources[this.env.source].undelete;

	// exit if no mailbox specified or if selection is empty
	if (!(selection.length \|\| this.env.cid) \|\| (!undelete && !confirm(this.get_label('deletecontactconfirm'))))
	return;

	var id, n, a_cids = [],
	post_data = {_source: this.env.source, _from: (this.env.action ? this.env.action : '')},
	lock = this.display_message(this.get_label('contactdeleting'), 'loading');

	if (this.env.cid)
	a_cids.push(this.env.cid);
	else {
	for (n=0; n<selection.length; n++) {
	id = selection[n];
	a_cids.push(id);
	this.contact_list.remove_row(id, (n == selection.length-1));
	}

	// hide content frame if we delete the currently displayed contact
	if (selection.length == 1)
	this.show_contentframe(false);
	}

	post_data._cid = a_cids.join(',');

	if (this.env.group)
	post_data._gid = this.env.group;

	// also send search request to get the right records from the next page
	if (this.env.search_request)
	post_data._search = this.env.search_request;

	// send request to server
	this.http_post('delete', post_data, lock)

	return true;
	};

	// update a contact record in the list
	this.update_contact_row = function(cid, cols_arr, newcid, source)
	{
	var c, row, list = this.contact_list;

	cid = this.html_identifier(cid);

	// when in searching mode, concat cid with the source name
	if (!list.rows[cid]) {
	cid = cid+'-'+source;
	if (newcid)
	newcid = newcid+'-'+source;
	}

	if (list.rows[cid] && (row = list.rows[cid].obj)) {
	for (c=0; c<cols_arr.length; c++)
	if (row.cells[c])
	$(row.cells[c]).html(cols_arr[c]);

	// cid change
	if (newcid) {
	newcid = this.html_identifier(newcid);
	row.id = 'rcmrow' + newcid;
	list.remove_row(cid);
	list.init_row(row);
	list.selection[0] = newcid;
	row.style.display = '';
	}
	}
	};

	// add row to contacts list
	this.add_contact_row = function(cid, cols, classes)
	{
	if (!this.gui_objects.contactslist)
	return false;

	var c, col, list = this.contact_list,
	row = document.createElement('tr');

	row.id = 'rcmrow'+this.html_identifier(cid);
	row.className = 'contact ' + (classes \|\| '');

	if (list.in_selection(cid))
	row.className += ' selected';

	// add each submitted col
	for (c in cols) {
	col = document.createElement('td');
	col.className = String(c).toLowerCase();
	col.innerHTML = cols[c];
	row.appendChild(col);
	}

	list.insert_row(row);

	this.enable_command('export', list.rowcount > 0);
	};

	this.init_contact_form = function()
	{
	var ref = this, col;

	this.set_photo_actions($('#ff_photo').val());

	for (col in this.env.coltypes)
	this.init_edit_field(col, null);

	$('.contactfieldgroup .row a.deletebutton').click(function() {
	ref.delete_edit_field(this);
	return false;
	});

	$('select.addfieldmenu').change(function(e) {
	ref.insert_edit_field($(this).val(), $(this).attr('rel'), this);
	this.selectedIndex = 0;
	});

	// enable date pickers on date fields
	if ($.datepicker && this.env.date_format) {
	$.datepicker.setDefaults({
	dateFormat: this.env.date_format,
	changeMonth: true,
	changeYear: true,
	yearRange: '-100:+10',
	showOtherMonths: true,
	selectOtherMonths: true,
	onSelect: function(dateText) { $(this).focus().val(dateText) }
	});
	$('input.datepicker').datepicker();
	}

	$("input[type='text']:visible").first().focus();
	};

	this.group_create = function()
	{
	this.add_input_row('contactgroup');
	};

	this.group_rename = function()
	{
	if (!this.env.group \|\| !this.gui_objects.folderlist)
	return;

	if (!this.name_input) {
	this.enable_command('list', 'listgroup', false);
	this.name_input = $('<input>').attr('type', 'text').val(this.env.contactgroups['G'+this.env.source+this.env.group].name);
	this.name_input.bind('keydown', function(e){ return rcmail.add_input_keydown(e); });
	this.env.group_renaming = true;

	var link, li = this.get_folder_li(this.env.source+this.env.group, 'rcmliG');
	if (li && (link = li.firstChild)) {
	$(link).hide().before(this.name_input);
	}
	}

	this.name_input.select().focus();
	};

	this.group_delete = function()
	{
	if (this.env.group && confirm(this.get_label('deletegroupconfirm'))) {
	var lock = this.set_busy(true, 'groupdeleting');
	this.http_post('group-delete', {_source: this.env.source, _gid: this.env.group}, lock);
	}
	};

	// callback from server upon group-delete command
	this.remove_group_item = function(prop)
	{
	var li, key = 'G'+prop.source+prop.id;
	if ((li = this.get_folder_li(key))) {
	this.triggerEvent('group_delete', { source:prop.source, id:prop.id, li:li });

	li.parentNode.removeChild(li);
	delete this.env.contactfolders[key];
	delete this.env.contactgroups[key];
	}

	this.list_contacts(prop.source, 0);
	};

	// @TODO: maybe it would be better to use popup instead of inserting input to the list?
	this.add_input_row = function(type)
	{
	if (!this.gui_objects.folderlist)
	return;

	if (!this.name_input) {
	this.name_input = $('<input>').attr('type', 'text').data('tt', type);
	this.name_input.bind('keydown', function(e){ return rcmail.add_input_keydown(e); });
	this.name_input_li = $('<li>').addClass(type).append(this.name_input);

	var li = type == 'contactsearch' ? $('li:last', this.gui_objects.folderlist) : this.get_folder_li(this.env.source);
	this.name_input_li.insertAfter(li);
	}

	this.name_input.select().focus();
	};

	//remove selected contacts from current active group
	this.group_remove_selected = function()
	{
	ref.http_post('group-delmembers', {_cid: this.contact_list.selection,
	_source: this.env.source, _gid: this.env.group});
	};

	//callback after deleting contact(s) from current group
	this.remove_group_contacts = function(props)
	{
	if('undefined' != typeof this.env.group && (this.env.group === props.gid)){
	var n, selection = this.contact_list.get_selection();
	for (n=0; n<selection.length; n++) {
	id = selection[n];
	this.contact_list.remove_row(id, (n == selection.length-1));
	}
	}
	}

	// handler for keyboard events on the input field
	this.add_input_keydown = function(e)
	{
	var key = rcube_event.get_keycode(e),
	input = $(e.target), itype = input.data('tt');

	// enter
	if (key == 13) {
	var newname = input.val();

	if (newname) {
	var lock = this.set_busy(true, 'loading');

	if (itype == 'contactsearch')
	this.http_post('search-create', {_search: this.env.search_request, _name: newname}, lock);
	else if (this.env.group_renaming)
	this.http_post('group-rename', {_source: this.env.source, _gid: this.env.group, _name: newname}, lock);
	else
	this.http_post('group-create', {_source: this.env.source, _name: newname}, lock);
	}
	return false;
	}
	// escape
	else if (key == 27)
	this.reset_add_input();

	return true;
	};

	this.reset_add_input = function()
	{
	if (this.name_input) {
	if (this.env.group_renaming) {
	var li = this.name_input.parent();
	li.children().last().show();
	this.env.group_renaming = false;
	}

	this.name_input.remove();

	if (this.name_input_li)
	this.name_input_li.remove();

	this.name_input = this.name_input_li = null;
	}

	this.enable_command('list', 'listgroup', true);
	};

	// callback for creating a new contact group
	this.insert_contact_group = function(prop)
	{
	this.reset_add_input();

	prop.type = 'group';
	var key = 'G'+prop.source+prop.id,
	link = $('<a>').attr('href', '#')
	.attr('rel', prop.source+':'+prop.id)
	.click(function() { return rcmail.command('listgroup', prop, this); })
	.html(prop.name),
	li = $('<li>').attr({id: 'rcmli'+this.html_identifier(key), 'class': 'contactgroup'})
	.append(link);

	this.env.contactfolders[key] = this.env.contactgroups[key] = prop;
	this.add_contact_group_row(prop, li);

	this.triggerEvent('group_insert', { id:prop.id, source:prop.source, name:prop.name, li:li[0] });
	};

	// callback for renaming a contact group
	this.update_contact_group = function(prop)
	{
	this.reset_add_input();

	var key = 'G'+prop.source+prop.id,
	li = this.get_folder_li(key),
	link;

	// group ID has changed, replace link node and identifiers
	if (li && prop.newid) {
	var newkey = 'G'+prop.source+prop.newid,
	newprop = $.extend({}, prop);;

	li.id = 'rcmli' + this.html_identifier(newkey);
	this.env.contactfolders[newkey] = this.env.contactfolders[key];
	this.env.contactfolders[newkey].id = prop.newid;
	this.env.group = prop.newid;

	delete this.env.contactfolders[key];
	delete this.env.contactgroups[key];

	newprop.id = prop.newid;
	newprop.type = 'group';

	link = $('<a>').attr('href', '#')
	.attr('rel', prop.source+':'+prop.newid)
	.click(function() { return rcmail.command('listgroup', newprop, this); })
	.html(prop.name);
	$(li).children().replaceWith(link);
	}
	// update displayed group name
	else if (li && (link = li.firstChild) && link.tagName.toLowerCase() == 'a')
	link.innerHTML = prop.name;

	this.env.contactfolders[key].name = this.env.contactgroups[key].name = prop.name;
	this.add_contact_group_row(prop, $(li), true);

	this.triggerEvent('group_update', { id:prop.id, source:prop.source, name:prop.name, li:li[0], newid:prop.newid });
	};

	// add contact group row to the list, with sorting
	this.add_contact_group_row = function(prop, li, reloc)
	{
	var row, name = prop.name.toUpperCase(),
	sibling = this.get_folder_li(prop.source),
	prefix = 'rcmliG' + this.html_identifier(prop.source);

	// When renaming groups, we need to remove it from DOM and insert it in the proper place
	if (reloc) {
	row = li.clone(true);
	li.remove();
	}
	else
	row = li;

	$('li[id^="'+prefix+'"]', this.gui_objects.folderlist).each(function(i, elem) {
	if (name >= $(this).text().toUpperCase())
	sibling = elem;
	else
	return false;
	});

	row.insertAfter(sibling);
	};

	this.update_group_commands = function()
	{
	var source = this.env.source != '' ? this.env.address_sources[this.env.source] : null;
	this.enable_command('group-create', (source && source.groups && !source.readonly));
	this.enable_command('group-rename', 'group-delete', (source && source.groups && this.env.group && !source.readonly));
	};

	this.init_edit_field = function(col, elem)
	{
	var label = this.env.coltypes[col].label;

	if (!elem)
	elem = $('.ff_' + col);

	if (label)
	elem.placeholder(label);
	};

	this.insert_edit_field = function(col, section, menu)
	{
	// just make pre-defined input field visible
	var elem = $('#ff_'+col);
	if (elem.length) {
	elem.show().focus();
	$(menu).children('option[value="'+col+'"]').prop('disabled', true);
	}
	else {
	var lastelem = $('.ff_'+col),
	appendcontainer = $('#contactsection'+section+' .contactcontroller'+col);

	if (!appendcontainer.length) {
	var sect = $('#contactsection'+section),
	lastgroup = $('.contactfieldgroup', sect).last();
	appendcontainer = $('<fieldset>').addClass('contactfieldgroup contactcontroller'+col);
	if (lastgroup.length)
	appendcontainer.insertAfter(lastgroup);
	else
	sect.prepend(appendcontainer);
	}

	if (appendcontainer.length && appendcontainer.get(0).nodeName == 'FIELDSET') {
	var input, colprop = this.env.coltypes[col],
	row = $('<div>').addClass('row'),
	cell = $('<div>').addClass('contactfieldcontent data'),
	label = $('<div>').addClass('contactfieldlabel label');

	if (colprop.subtypes_select)
	label.html(colprop.subtypes_select);
	else
	label.html(colprop.label);

	var name_suffix = colprop.limit != 1 ? '[]' : '';
	if (colprop.type == 'text' \|\| colprop.type == 'date') {
	input = $('<input>')
	.addClass('ff_'+col)
	.attr({type: 'text', name: '_'+col+name_suffix, size: colprop.size})
	.appendTo(cell);

	this.init_edit_field(col, input);

	if (colprop.type == 'date' && $.datepicker)
	input.datepicker();
	}
	else if (colprop.type == 'textarea') {
	input = $('<textarea>')
	.addClass('ff_'+col)
	.attr({ name: '_'+col+name_suffix, cols:colprop.size, rows:colprop.rows })
	.appendTo(cell);

	this.init_edit_field(col, input);
	}
	else if (colprop.type == 'composite') {
	var childcol, cp, first, templ, cols = [], suffices = [];
	// read template for composite field order
	if ((templ = this.env[col+'_template'])) {
	for (var j=0; j < templ.length; j++) {
	cols.push(templ[j][1]);
	suffices.push(templ[j][2]);
	}
	}
	else { // list fields according to appearance in colprop
	for (childcol in colprop.childs)
	cols.push(childcol);
	}

	for (var i=0; i < cols.length; i++) {
	childcol = cols[i];
	cp = colprop.childs[childcol];
	input = $('<input>')
	.addClass('ff_'+childcol)
	.attr({ type: 'text', name: '_'+childcol+name_suffix, size: cp.size })
	.appendTo(cell);
	cell.append(suffices[i] \|\| " ");
	this.init_edit_field(childcol, input);
	if (!first) first = input;
	}
	input = first; // set focus to the first of this composite fields
	}
	else if (colprop.type == 'select') {
	input = $('<select>')
	.addClass('ff_'+col)
	.attr('name', '_'+col+name_suffix)
	.appendTo(cell);

	var options = input.attr('options');
	options[options.length] = new Option('---', '');
	if (colprop.options)
	$.each(colprop.options, function(i, val){ options[options.length] = new Option(val, i); });
	}

	if (input) {
	var delbutton = $('<a href="#del"></a>')
	.addClass('contactfieldbutton deletebutton')
	.attr({title: this.get_label('delete'), rel: col})
	.html(this.env.delbutton)
	.click(function(){ ref.delete_edit_field(this); return false })
	.appendTo(cell);

	row.append(label).append(cell).appendTo(appendcontainer.show());
	input.first().focus();

	// disable option if limit reached
	if (!colprop.count) colprop.count = 0;
	if (++colprop.count == colprop.limit && colprop.limit)
	$(menu).children('option[value="'+col+'"]').prop('disabled', true);
	}
	}
	}
	};

	this.delete_edit_field = function(elem)
	{
	var col = $(elem).attr('rel'),
	colprop = this.env.coltypes[col],
	fieldset = $(elem).parents('fieldset.contactfieldgroup'),
	addmenu = fieldset.parent().find('select.addfieldmenu');

	// just clear input but don't hide the last field
	if (--colprop.count <= 0 && colprop.visible)
	$(elem).parent().children('input').val('').blur();
	else {
	$(elem).parents('div.row').remove();
	// hide entire fieldset if no more rows
	if (!fieldset.children('div.row').length)
	fieldset.hide();
	}

	// enable option in add-field selector or insert it if necessary
	if (addmenu.length) {
	var option = addmenu.children('option[value="'+col+'"]');
	if (option.length)
	option.prop('disabled', false);
	else
	option = $('<option>').attr('value', col).html(colprop.label).appendTo(addmenu);
	addmenu.show();
	}
	};

	this.upload_contact_photo = function(form)
	{
	if (form && form.elements._photo.value) {
	this.async_upload_form(form, 'upload-photo', function(e) {
	rcmail.set_busy(false, null, rcmail.file_upload_id);
	});

	// display upload indicator
	this.file_upload_id = this.set_busy(true, 'uploading');
	}
	};

	this.replace_contact_photo = function(id)
	{
	var img_src = id == '-del-' ? this.env.photo_placeholder :
	this.env.comm_path + '&_action=photo&_source=' + this.env.source + '&_cid=' + this.env.cid + '&_photo=' + id;

	this.set_photo_actions(id);
	$(this.gui_objects.contactphoto).children('img').attr('src', img_src);
	};

	this.photo_upload_end = function()
	{
	this.set_busy(false, null, this.file_upload_id);
	delete this.file_upload_id;
	};

	this.set_photo_actions = function(id)
	{
	var n, buttons = this.buttons['upload-photo'];
	for (n=0; buttons && n < buttons.length; n++)
	$('a#'+buttons[n].id).html(this.get_label(id == '-del-' ? 'addphoto' : 'replacephoto'));

	$('#ff_photo').val(id);
	this.enable_command('upload-photo', this.env.coltypes.photo ? true : false);
	this.enable_command('delete-photo', this.env.coltypes.photo && id != '-del-');
	};

	// load advanced search page
	this.advanced_search = function()
	{
	var win, url = {_form: 1, _action: 'search'}, target = window;

	if (win = this.get_frame_window(this.env.contentframe)) {
	url._framed = 1;
	target = win;
	this.contact_list.clear_selection();
	}

	this.location_href(url, target, true);

	return true;
	};

	// unselect directory/group
	this.unselect_directory = function()
	{
	this.select_folder('');
	this.enable_command('search-delete', false);
	};

	// callback for creating a new saved search record
	this.insert_saved_search = function(name, id)
	{
	this.reset_add_input();

	var key = 'S'+id,
	link = $('<a>').attr('href', '#')
	.attr('rel', id)
	.click(function() { return rcmail.command('listsearch', id, this); })
	.html(name),
	li = $('<li>').attr({id: 'rcmli' + this.html_identifier(key), 'class': 'contactsearch'})
	.append(link),
	prop = {name:name, id:id, li:li[0]};

	this.add_saved_search_row(prop, li);
	this.select_folder('S'+id);
	this.enable_command('search-delete', true);
	this.env.search_id = id;

	this.triggerEvent('abook_search_insert', prop);
	};

	// add saved search row to the list, with sorting
	this.add_saved_search_row = function(prop, li, reloc)
	{
	var row, sibling, name = prop.name.toUpperCase();

	// When renaming groups, we need to remove it from DOM and insert it in the proper place
	if (reloc) {
	row = li.clone(true);
	li.remove();
	}
	else
	row = li;

	$('li[class~="contactsearch"]', this.gui_objects.folderlist).each(function(i, elem) {
	if (!sibling)
	sibling = this.previousSibling;

	if (name >= $(this).text().toUpperCase())
	sibling = elem;
	else
	return false;
	});

	if (sibling)
	row.insertAfter(sibling);
	else
	row.appendTo(this.gui_objects.folderlist);
	};

	// creates an input for saved search name
	this.search_create = function()
	{
	this.add_input_row('contactsearch');
	};

	this.search_delete = function()
	{
	if (this.env.search_request) {
	var lock = this.set_busy(true, 'savedsearchdeleting');
	this.http_post('search-delete', {_sid: this.env.search_id}, lock);
	}
	};

	// callback from server upon search-delete command
	this.remove_search_item = function(id)
	{
	var li, key = 'S'+id;
	if ((li = this.get_folder_li(key))) {
	this.triggerEvent('search_delete', { id:id, li:li });

	li.parentNode.removeChild(li);
	}

	this.env.search_id = null;
	this.env.search_request = null;
	this.list_contacts_clear();
	this.reset_qsearch();
	this.enable_command('search-delete', 'search-create', false);
	};

	this.listsearch = function(id)
	{
	var folder, lock = this.set_busy(true, 'searching');

	if (this.contact_list) {
	this.list_contacts_clear();
	}

	this.reset_qsearch();
	this.select_folder('S'+id);

	// reset vars
	this.env.current_page = 1;
	this.http_request('search', {_sid: id}, lock);
	};


	/*********************************************************/
	/******* user settings methods *******/
	/*********************************************************/

	// preferences section select and load options frame
	this.section_select = function(list)
	{
	var win, id = list.get_single_selection(), target = window,
	url = {_action: 'edit-prefs', _section: id};

	if (id) {
	if (win = this.get_frame_window(this.env.contentframe)) {
	url._framed = 1;
	target = win;
	}
	this.location_href(url, target, true);
	}

	return true;
	};

	this.identity_select = function(list)
	{
	var id;
	if (id = list.get_single_selection()) {
	this.enable_command('delete', list.rowcount > 1 && this.env.identities_level < 2);
	this.load_identity(id, 'edit-identity');
	}
	};

	// load identity record
	this.load_identity = function(id, action)
	{
	if (action == 'edit-identity' && (!id \|\| id == this.env.iid))
	return false;

	var win, target = window,
	url = {_action: action, _iid: id};

	if (win = this.get_frame_window(this.env.contentframe)) {
	url._framed = 1;
	target = win;
	}

	if (action && (id \|\| action == 'add-identity')) {
	this.set_busy(true);
	this.location_href(url, target);
	}

	return true;
	};

	this.delete_identity = function(id)
	{
	// exit if no identity is specified or if selection is empty
	var selection = this.identity_list.get_selection();
	if (!(selection.length \|\| this.env.iid))
	return;

	if (!id)
	id = this.env.iid ? this.env.iid : selection[0];

	// submit request with appended token
	if (confirm(this.get_label('deleteidentityconfirm')))
	this.goto_url('delete-identity', { _iid: id, _token: this.env.request_token }, true);

	return true;
	};

	this.update_identity_row = function(id, name, add)
	{
	var row, col, list = this.identity_list,
	rid = this.html_identifier(id);

	if (list.rows[rid] && (row = list.rows[rid].obj)) {
	$(row.cells[0]).html(name);
	}
	else if (add) {
	row = $('<tr>').attr('id', 'rcmrow'+rid).get(0);
	col = $('<td>').addClass('mail').html(name).appendTo(row);
	list.insert_row(row);
	list.select(rid);
	}
	};


	/*********************************************************/
	/******* folder manager methods *******/
	/*********************************************************/

	this.init_subscription_list = function()
	{
	var p = this;
	this.subscription_list = new rcube_list_widget(this.gui_objects.subscriptionlist,
	{multiselect:false, draggable:true, keyboard:false, toggleselect:true});
	this.subscription_list.addEventListener('select', function(o){ p.subscription_select(o); });
	this.subscription_list.addEventListener('dragstart', function(o){ p.drag_active = true; });
	this.subscription_list.addEventListener('dragend', function(o){ p.subscription_move_folder(o); });
	this.subscription_list.row_init = function (row) {
	row.obj.onmouseover = function() { p.focus_subscription(row.id); };
	row.obj.onmouseout = function() { p.unfocus_subscription(row.id); };
	};
	this.subscription_list.init();
	$('#mailboxroot')
	.mouseover(function(){ p.focus_subscription(this.id); })
	.mouseout(function(){ p.unfocus_subscription(this.id); })
	};

	this.focus_subscription = function(id)
	{
	var row, folder,
	delim = RegExp.escape(this.env.delimiter),
	reg = RegExp('['+delim+']?[^'+delim+']+$');

	if (this.drag_active && this.env.mailbox && (row = document.getElementById(id)))
	if (this.env.subscriptionrows[id] &&
	(folder = this.env.subscriptionrows[id][0]) !== null
	) {
	if (this.check_droptarget(folder) &&
	!this.env.subscriptionrows[this.get_folder_row_id(this.env.mailbox)][2] &&
	(folder != this.env.mailbox.replace(reg, '')) &&
	(!folder.match(new RegExp('^'+RegExp.escape(this.env.mailbox+this.env.delimiter))))
	) {
	this.env.dstfolder = folder;
	$(row).addClass('droptarget');
	}
	}
	};

	this.unfocus_subscription = function(id)
	{
	var row = $('#'+id);

	this.env.dstfolder = null;
	if (this.env.subscriptionrows[id] && row[0])
	row.removeClass('droptarget');
	else
	$(this.subscription_list.frame).removeClass('droptarget');
	};

	this.subscription_select = function(list)
	{
	var id, folder;

	if (list && (id = list.get_single_selection()) &&
	(folder = this.env.subscriptionrows['rcmrow'+id])
	) {
	this.env.mailbox = folder[0];
	this.show_folder(folder[0]);
	this.enable_command('delete-folder', !folder[2]);
	}
	else {
	this.env.mailbox = null;
	this.show_contentframe(false);
	this.enable_command('delete-folder', 'purge', false);
	}
	};

	this.subscription_move_folder = function(list)
	{
	var delim = RegExp.escape(this.env.delimiter),
	reg = RegExp('['+delim+']?[^'+delim+']+$');

	if (this.env.mailbox && this.env.dstfolder !== null && (this.env.dstfolder != this.env.mailbox) &&
	(this.env.dstfolder != this.env.mailbox.replace(reg, ''))
	) {
	reg = new RegExp('[^'+delim+']*['+delim+']', 'g');
	var basename = this.env.mailbox.replace(reg, ''),
	newname = this.env.dstfolder === '' ? basename : this.env.dstfolder+this.env.delimiter+basename;

	if (newname != this.env.mailbox) {
	this.http_post('rename-folder', {_folder_oldname: this.env.mailbox, _folder_newname: newname}, this.set_busy(true, 'foldermoving'));
	this.subscription_list.draglayer.hide();
	}
	}
	this.drag_active = false;
	this.unfocus_subscription(this.get_folder_row_id(this.env.dstfolder));
	};

	// tell server to create and subscribe a new mailbox
	this.create_folder = function()
	{
	this.show_folder('', this.env.mailbox);
	};

	// delete a specific mailbox with all its messages
	this.delete_folder = function(name)
	{
	var id = this.get_folder_row_id(name ? name : this.env.mailbox),
	folder = this.env.subscriptionrows[id][0];

	if (folder && confirm(this.get_label('deletefolderconfirm'))) {
	var lock = this.set_busy(true, 'folderdeleting');
	this.http_post('delete-folder', {_mbox: folder}, lock);
	}
	};

	// Add folder row to the table and initialize it
	this.add_folder_row = function (name, display_name, is_protected, subscribed, skip_init, class_name)
	{
	if (!this.gui_objects.subscriptionlist)
	return false;

	var row, n, i, tmp, tmp_name, folders, rowid, list = [], slist = [],
	tbody = this.gui_objects.subscriptionlist.tBodies[0],
	refrow = $('tr', tbody).get(1),
	id = 'rcmrow'+((new Date).getTime());

	if (!refrow) {
	// Refresh page if we don't have a table row to clone
	this.goto_url('folders');
	return false;
	}

	// clone a table row if there are existing rows
	row = $(refrow).clone(true);

	// set ID, reset css class
	row.attr('id', id);
	row.attr('class', class_name);

	// set folder name
	row.find('td:first').html(display_name);

	// update subscription checkbox
	$('input[name="_subscribed[]"]', row).val(name)
	.prop({checked: subscribed ? true : false, disabled: is_protected ? true : false});

	// add to folder/row-ID map
	this.env.subscriptionrows[id] = [name, display_name, 0];

	// sort folders, to find a place where to insert the row
	folders = [];
	$.each(this.env.subscriptionrows, function(k,v){ folders.push(v) });
	folders.sort(function(a,b){ return a[0] < b[0] ? -1 : (a[0] > b[0] ? 1 : 0) });

	for (n in folders) {
	// protected folder
	if (folders[n][2]) {
	tmp_name = folders[n][0] + this.env.delimiter;
	// prefix namespace cannot have subfolders (#1488349)
	if (tmp_name == this.env.prefix_ns)
	continue;
	slist.push(folders[n][0]);
	tmp = tmp_name;
	}
	// protected folder's child
	else if (tmp && folders[n][0].indexOf(tmp) == 0)
	slist.push(folders[n][0]);
	// other
	else {
	list.push(folders[n][0]);
	tmp = null;
	}
	}

	// check if subfolder of a protected folder
	for (n=0; n<slist.length; n++) {
	if (name.indexOf(slist[n]+this.env.delimiter) == 0)
	rowid = this.get_folder_row_id(slist[n]);
	}

	// find folder position after sorting
	for (n=0; !rowid && n<list.length; n++) {
	if (n && list[n] == name)
	rowid = this.get_folder_row_id(list[n-1]);
	}

	// add row to the table
	if (rowid)
	$('#'+rowid).after(row);
	else
	row.appendTo(tbody);

	// update list widget
	this.subscription_list.clear_selection();
	if (!skip_init)
	this.init_subscription_list();

	row = row.get(0);
	if (row.scrollIntoView)
	row.scrollIntoView();

	return row;
	};

	// replace an existing table row with a new folder line (with subfolders)
	this.replace_folder_row = function(oldfolder, newfolder, display_name, is_protected, class_name)
	{
	if (!this.gui_objects.subscriptionlist)
	return false;

	var i, n, len, name, dispname, oldrow, tmprow, row, level,
	tbody = this.gui_objects.subscriptionlist.tBodies[0],
	folders = this.env.subscriptionrows,
	id = this.get_folder_row_id(oldfolder),
	regex = new RegExp('^'+RegExp.escape(oldfolder)),
	subscribed = $('input[name="_subscribed[]"]', $('#'+id)).prop('checked'),
	// find subfolders of renamed folder
	list = this.get_subfolders(oldfolder);

	// replace an existing table row
	this._remove_folder_row(id);
	row = $(this.add_folder_row(newfolder, display_name, is_protected, subscribed, true, class_name));

	// detect tree depth change
	if (len = list.length) {
	level = (oldfolder.split(this.env.delimiter)).length - (newfolder.split(this.env.delimiter)).length;
	}

	// move subfolders to the new branch
	for (n=0; n<len; n++) {
	id = list[n];
	name = this.env.subscriptionrows[id][0];
	dispname = this.env.subscriptionrows[id][1];
	oldrow = $('#'+id);
	tmprow = oldrow.clone(true);
	oldrow.remove();
	row.after(tmprow);
	row = tmprow;
	// update folder index
	name = name.replace(regex, newfolder);
	$('input[name="_subscribed[]"]', row).val(name);
	this.env.subscriptionrows[id][0] = name;
	// update the name if level is changed
	if (level != 0) {
	if (level > 0) {
	for (i=level; i>0; i--)
	dispname = dispname.replace(/^    /, '');
	}
	else {
	for (i=level; i<0; i++)
	dispname = '    ' + dispname;
	}
	row.find('td:first').html(dispname);
	this.env.subscriptionrows[id][1] = dispname;
	}
	}

	// update list widget
	this.init_subscription_list();
	};

	// remove the table row of a specific mailbox from the table
	this.remove_folder_row = function(folder, subs)
	{
	var n, len, list = [], id = this.get_folder_row_id(folder);

	// get subfolders if any
	if (subs)
	list = this.get_subfolders(folder);

	// remove old row
	this._remove_folder_row(id);

	// remove subfolders
	for (n=0, len=list.length; n<len; n++)
	this._remove_folder_row(list[n]);
	};

	this._remove_folder_row = function(id)
	{
	this.subscription_list.remove_row(id.replace(/^rcmrow/, ''));
	$('#'+id).remove();
	delete this.env.subscriptionrows[id];
	}

	this.get_subfolders = function(folder)
	{
	var name, list = [],
	regex = new RegExp('^'+RegExp.escape(folder)+RegExp.escape(this.env.delimiter)),
	row = $('#'+this.get_folder_row_id(folder)).get(0);

	while (row = row.nextSibling) {
	if (row.id) {
	name = this.env.subscriptionrows[row.id][0];
	if (regex.test(name)) {
	list.push(row.id);
	}
	else
	break;
	}
	}

	return list;
	}

	this.subscribe = function(folder)
	{
	if (folder) {
	var lock = this.display_message(this.get_label('foldersubscribing'), 'loading');
	this.http_post('subscribe', {_mbox: folder}, lock);
	}
	};

	this.unsubscribe = function(folder)
	{
	if (folder) {
	var lock = this.display_message(this.get_label('folderunsubscribing'), 'loading');
	this.http_post('unsubscribe', {_mbox: folder}, lock);
	}
	};

	// helper method to find a specific mailbox row ID
	this.get_folder_row_id = function(folder)
	{
	var id, folders = this.env.subscriptionrows;
	for (id in folders)
	if (folders[id] && folders[id][0] == folder)
	break;

	return id;
	};

	// when user select a folder in manager
	this.show_folder = function(folder, path, force)
	{
	var win, target = window,
	url = '&_action=edit-folder&_mbox='+urlencode(folder);

	if (path)
	url += '&_path='+urlencode(path);

	if (win = this.get_frame_window(this.env.contentframe)) {
	target = win;
	url += '&_framed=1';
	}

	if (String(target.location.href).indexOf(url) >= 0 && !force)
	this.show_contentframe(true);
	else
	this.location_href(this.env.comm_path+url, target, true);
	};

	// disables subscription checkbox (for protected folder)
	this.disable_subscription = function(folder)
	{
	var id = this.get_folder_row_id(folder);
	if (id)
	$('input[name="_subscribed[]"]', $('#'+id)).prop('disabled', true);
	};

	this.folder_size = function(folder)
	{
	var lock = this.set_busy(true, 'loading');
	this.http_post('folder-size', {_mbox: folder}, lock);
	};

	this.folder_size_update = function(size)
	{
	$('#folder-size').replaceWith(size);
	};


	/*********************************************************/
	/******* GUI functionality *******/
	/*********************************************************/

	var init_button = function(cmd, prop)
	{
	var elm = document.getElementById(prop.id);
	if (!elm)
	return;

	var preload = false;
	if (prop.type == 'image') {
	elm = elm.parentNode;
	preload = true;
	}

	elm._command = cmd;
	elm._id = prop.id;
	if (prop.sel) {
	elm.onmousedown = function(e){ return rcmail.button_sel(this._command, this._id); };
	elm.onmouseup = function(e){ return rcmail.button_out(this._command, this._id); };
	if (preload)
	new Image().src = prop.sel;
	}
	if (prop.over) {
	elm.onmouseover = function(e){ return rcmail.button_over(this._command, this._id); };
	elm.onmouseout = function(e){ return rcmail.button_out(this._command, this._id); };
	if (preload)
	new Image().src = prop.over;
	}
	};

	// set event handlers on registered buttons
	this.init_buttons = function()
	{
	for (var cmd in this.buttons) {
	if (typeof cmd !== 'string')
	continue;

	for (var i=0; i<this.buttons[cmd].length; i++) {
	init_button(cmd, this.buttons[cmd][i]);
	}
	}

	// set active task button
	this.set_button(this.task, 'sel');
	};

	// set button to a specific state
	this.set_button = function(command, state)
	{
	var n, button, obj, a_buttons = this.buttons[command],
	len = a_buttons ? a_buttons.length : 0;

	for (n=0; n<len; n++) {
	button = a_buttons[n];
	obj = document.getElementById(button.id);

	if (!obj)
	continue;

	// get default/passive setting of the button
	if (button.type == 'image' && !button.status) {
	button.pas = obj._original_src ? obj._original_src : obj.src;
	// respect PNG fix on IE browsers
	if (obj.runtimeStyle && obj.runtimeStyle.filter && obj.runtimeStyle.filter.match(/src=['"]([^'"]+)['"]/))
	button.pas = RegExp.$1;
	}
	else if (!button.status)
	button.pas = String(obj.className);

	// set image according to button state
	if (button.type == 'image' && button[state]) {
	button.status = state;
	obj.src = button[state];
	}
	// set class name according to button state
	else if (button[state] !== undefined) {
	button.status = state;
	obj.className = button[state];
	}
	// disable/enable input buttons
	if (button.type == 'input') {
	button.status = state;
	obj.disabled = !state;
	}
	}
	};

	// display a specific alttext
	this.set_alttext = function(command, label)
	{
	var n, button, obj, link, a_buttons = this.buttons[command],
	len = a_buttons ? a_buttons.length : 0;

	for (n=0; n<len; n++) {
	button = a_buttons[n];
	obj = document.getElementById(button.id);

	if (button.type == 'image' && obj) {
	obj.setAttribute('alt', this.get_label(label));
	if ((link = obj.parentNode) && link.tagName.toLowerCase() == 'a')
	link.setAttribute('title', this.get_label(label));
	}
	else if (obj)
	obj.setAttribute('title', this.get_label(label));
	}
	};

	// mouse over button
	this.button_over = function(command, id)
	{
	var n, button, obj, a_buttons = this.buttons[command],
	len = a_buttons ? a_buttons.length : 0;

	for (n=0; n<len; n++) {
	button = a_buttons[n];
	if (button.id == id && button.status == 'act') {
	obj = document.getElementById(button.id);
	if (obj && button.over) {
	if (button.type == 'image')
	obj.src = button.over;
	else
	obj.className = button.over;
	}
	}
	}
	};

	// mouse down on button
	this.button_sel = function(command, id)
	{
	var n, button, obj, a_buttons = this.buttons[command],
	len = a_buttons ? a_buttons.length : 0;

	for (n=0; n<len; n++) {
	button = a_buttons[n];
	if (button.id == id && button.status == 'act') {
	obj = document.getElementById(button.id);
	if (obj && button.sel) {
	if (button.type == 'image')
	obj.src = button.sel;
	else
	obj.className = button.sel;
	}
	this.buttons_sel[id] = command;
	}
	}
	};

	// mouse out of button
	this.button_out = function(command, id)
	{
	var n, button, obj, a_buttons = this.buttons[command],
	len = a_buttons ? a_buttons.length : 0;

	for (n=0; n<len; n++) {
	button = a_buttons[n];
	if (button.id == id && button.status == 'act') {
	obj = document.getElementById(button.id);
	if (obj && button.act) {
	if (button.type == 'image')
	obj.src = button.act;
	else
	obj.className = button.act;
	}
	}
	}
	};

	// write to the document/window title
	this.set_pagetitle = function(title)
	{
	if (title && document.title)
	document.title = title;
	};

	// display a system message, list of types in common.css (below #message definition)
	this.display_message = function(msg, type, timeout)
	{
	// pass command to parent window
	if (this.is_framed())
	return parent.rcmail.display_message(msg, type, timeout);

	if (!this.gui_objects.message) {
	// save message in order to display after page loaded
	if (type != 'loading')
	this.pending_message = [msg, type, timeout];
	return false;
	}

	type = type ? type : 'notice';

	var ref = this,
	key = this.html_identifier(msg),
	date = new Date(),
	id = type + date.getTime();

	if (!timeout)
	timeout = this.message_time * (type == 'error' \|\| type == 'warning' ? 2 : 1);

	if (type == 'loading') {
	key = 'loading';
	timeout = this.env.request_timeout * 1000;
	if (!msg)
	msg = this.get_label('loading');
	}

	// The same message is already displayed
	if (this.messages[key]) {
	// replace label
	if (this.messages[key].obj)
	this.messages[key].obj.html(msg);
	// store label in stack
	if (type == 'loading') {
	this.messages[key].labels.push({'id': id, 'msg': msg});
	}
	// add element and set timeout
	this.messages[key].elements.push(id);
	setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
	return id;
	}

	// create DOM object and display it
	var obj = $('<div>').addClass(type).html(msg).data('key', key),
	cont = $(this.gui_objects.message).append(obj).show();

	this.messages[key] = {'obj': obj, 'elements': [id]};

	if (type == 'loading') {
	this.messages[key].labels = [{'id': id, 'msg': msg}];
	}
	else {
	obj.click(function() { return ref.hide_message(obj); });
	}

	this.triggerEvent('message', { message:msg, type:type, timeout:timeout, object:obj });

	if (timeout > 0)
	setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
	return id;
	};

	// make a message to disapear
	this.hide_message = function(obj, fade)
	{
	// pass command to parent window
	if (this.is_framed())
	return parent.rcmail.hide_message(obj, fade);

	var k, n, i, msg, m = this.messages;

	// Hide message by object, don't use for 'loading'!
	if (typeof obj === 'object') {
	$(obj)[fade?'fadeOut':'hide']();
	msg = $(obj).data('key');
	if (this.messages[msg])
	delete this.messages[msg];
	}
	// Hide message by id
	else {
	for (k in m) {
	for (n in m[k].elements) {
	if (m[k] && m[k].elements[n] == obj) {
	m[k].elements.splice(n, 1);
	// hide DOM element if last instance is removed
	if (!m[k].elements.length) {
	m[k].obj[fade?'fadeOut':'hide']();
	delete m[k];
	}
	// set pending action label for 'loading' message
	else if (k == 'loading') {
	for (i in m[k].labels) {
	if (m[k].labels[i].id == obj) {
	delete m[k].labels[i];
	}
	else {
	msg = m[k].labels[i].msg;
	}
	m[k].obj.html(msg);
	}
	}
	}
	}
	}
	}
	};

	// remove all messages immediately
	this.clear_messages = function()
	{
	// pass command to parent window
	if (this.is_framed())
	return parent.rcmail.clear_messages();

	var k, n, m = this.messages;

	for (k in m)
	for (n in m[k].elements)
	if (m[k].obj)
	m[k].obj.hide();

	this.messages = {};
	};

	// open a jquery UI dialog with the given content
	this.show_popup_dialog = function(html, title)
	{
	// forward call to parent window
	if (this.is_framed()) {
	parent.rcmail.show_popup_dialog(html, title);
	return;
	}

	var popup = $('<div class="popup">')
	.html(html)
	.dialog({
	title: title,
	modal: true,
	resizable: true,
	width: 580,
	close: function(event, ui) { $(this).remove() }
	});

	// resize and center popup
	var win = $(window), w = win.width(), h = win.height(),
	width = popup.width(), height = popup.height();
	popup.dialog('option', { height: Math.min(h-40, height+50), width: Math.min(w-20, width+50) })
	.dialog('option', 'position', ['center', 'center']); // only works in a separate call (!?)
	};

	// enable/disable buttons for page shifting
	this.set_page_buttons = function()
	{
	this.enable_command('nextpage', 'lastpage', (this.env.pagecount > this.env.current_page));
	this.enable_command('previouspage', 'firstpage', (this.env.current_page > 1));
	};

	// mark a mailbox as selected and set environment variable
	this.select_folder = function(name, prefix, encode)
	{
	if (this.gui_objects.folderlist) {
	var current_li, target_li;

	if ((current_li = $('li.selected', this.gui_objects.folderlist))) {
	current_li.removeClass('selected').addClass('unfocused');
	}
	if ((target_li = this.get_folder_li(name, prefix, encode))) {
	$(target_li).removeClass('unfocused').addClass('selected');
	}

	// trigger event hook
	this.triggerEvent('selectfolder', { folder:name, prefix:prefix });
	}
	};

	// adds a class to selected folder
	this.mark_folder = function(name, class_name, prefix, encode)
	{
	$(this.get_folder_li(name, prefix, encode)).addClass(class_name);
	};

	// adds a class to selected folder
	this.unmark_folder = function(name, class_name, prefix, encode)
	{
	$(this.get_folder_li(name, prefix, encode)).removeClass(class_name);
	};

	// helper method to find a folder list item
	this.get_folder_li = function(name, prefix, encode)
	{
	if (!prefix)
	prefix = 'rcmli';

	if (this.gui_objects.folderlist) {
	name = this.html_identifier(name, encode);
	return document.getElementById(prefix+name);
	}

	return null;
	};

	// for reordering column array (Konqueror workaround)
	// and for setting some message list global variables
	this.set_message_coltypes = function(coltypes, repl, smart_col)
	{
	var list = this.message_list,
	thead = list ? list.list.tHead : null,
	cell, col, n, len, th, tr;

	this.env.coltypes = coltypes;

	// replace old column headers
	if (thead) {
	if (repl) {
	th = document.createElement('thead');
	tr = document.createElement('tr');

	for (c=0, len=repl.length; c < len; c++) {
	cell = document.createElement('td');
	cell.innerHTML = repl[c].html;
	if (repl[c].id) cell.id = repl[c].id;
	if (repl[c].className) cell.className = repl[c].className;
	tr.appendChild(cell);
	}
	th.appendChild(tr);
	thead.parentNode.replaceChild(th, thead);
	thead = th;
	}

	for (n=0, len=this.env.coltypes.length; n<len; n++) {
	col = this.env.coltypes[n];
	if ((cell = thead.rows[0].cells[n]) && (col == 'from' \|\| col == 'to' \|\| col == 'fromto')) {
	cell.id = 'rcm'+col;
	$('span,a', cell).text(this.get_label(col == 'fromto' ? smart_col : col));
	// if we have links for sorting, it's a bit more complicated...
	$('a', cell).click(function(){
	return rcmail.command('sort', this.id.replace(/^rcm/, ''), this);
	});
	}
	}
	}

	this.env.subject_col = null;
	this.env.flagged_col = null;
	this.env.status_col = null;

	if ((n = $.inArray('subject', this.env.coltypes)) >= 0) {
	this.env.subject_col = n;
	if (list)
	list.subject_col = n;
	}
	if ((n = $.inArray('flag', this.env.coltypes)) >= 0)
	this.env.flagged_col = n;
	if ((n = $.inArray('status', this.env.coltypes)) >= 0)
	this.env.status_col = n;

	if (list)
	list.init_header();
	};

	// replace content of row count display
	this.set_rowcount = function(text, mbox)
	{
	// #1487752
	if (mbox && mbox != this.env.mailbox)
	return false;

	$(this.gui_objects.countdisplay).html(text);

	// update page navigation buttons
	this.set_page_buttons();
	};

	// replace content of mailboxname display
	this.set_mailboxname = function(content)
	{
	if (this.gui_objects.mailboxname && content)
	this.gui_objects.mailboxname.innerHTML = content;
	};

	// replace content of quota display
	this.set_quota = function(content)
	{
	if (this.gui_objects.quotadisplay && content && content.type == 'text')
	$(this.gui_objects.quotadisplay).html(content.percent+'%').attr('title', content.title);

	this.triggerEvent('setquota', content);
	this.env.quota_content = content;
	};

	// update the mailboxlist
	this.set_unread_count = function(mbox, count, set_title, mark)
	{
	if (!this.gui_objects.mailboxlist)
	return false;

	this.env.unread_counts[mbox] = count;
	this.set_unread_count_display(mbox, set_title);

	if (mark)
	this.mark_folder(mbox, mark, '', true);
	else if (!count)
	this.unmark_folder(mbox, 'recent', '', true);
	};

	// update the mailbox count display
	this.set_unread_count_display = function(mbox, set_title)
	{
	var reg, link, text_obj, item, mycount, childcount, div;

	if (item = this.get_folder_li(mbox, '', true)) {
	mycount = this.env.unread_counts[mbox] ? this.env.unread_counts[mbox] : 0;
	link = $(item).children('a').eq(0);
	text_obj = link.children('span.unreadcount');
	if (!text_obj.length && mycount)
	text_obj = $('<span>').addClass('unreadcount').appendTo(link);
	reg = /\s+$[0-9]+$$/i;

	childcount = 0;
	if ((div = item.getElementsByTagName('div')[0]) &&
	div.className.match(/collapsed/)) {
	// add children's counters
	for (var k in this.env.unread_counts)
	if (k.indexOf(mbox + this.env.delimiter) == 0)
	childcount += this.env.unread_counts[k];
	}

	if (mycount && text_obj.length)
	text_obj.html(this.env.unreadwrap.replace(/%[sd]/, mycount));
	else if (text_obj.length)
	text_obj.remove();

	// set parent's display
	reg = new RegExp(RegExp.escape(this.env.delimiter) + '[^' + RegExp.escape(this.env.delimiter) + ']+$');
	if (mbox.match(reg))
	this.set_unread_count_display(mbox.replace(reg, ''), false);

	// set the right classes
	if ((mycount+childcount)>0)
	$(item).addClass('unread');
	else
	$(item).removeClass('unread');
	}

	// set unread count to window title
	reg = /^$[0-9]+$\s+/i;
	if (set_title && document.title) {
	var new_title = '',
	doc_title = String(document.title);

	if (mycount && doc_title.match(reg))
	new_title = doc_title.replace(reg, '('+mycount+') ');
	else if (mycount)
	new_title = '('+mycount+') '+doc_title;
	else
	new_title = doc_title.replace(reg, '');

	this.set_pagetitle(new_title);
	}
	};

	// display fetched raw headers
	this.set_headers = function(content)
	{
	if (this.gui_objects.all_headers_row && this.gui_objects.all_headers_box && content)
	$(this.gui_objects.all_headers_box).html(content).show();
	};

	// display all-headers row and fetch raw message headers
	this.show_headers = function(props, elem)
	{
	if (!this.gui_objects.all_headers_row \|\| !this.gui_objects.all_headers_box \|\| !this.env.uid)
	return;

	$(elem).removeClass('show-headers').addClass('hide-headers');
	$(this.gui_objects.all_headers_row).show();
	elem.onclick = function() { rcmail.command('hide-headers', '', elem); };

	// fetch headers only once
	if (!this.gui_objects.all_headers_box.innerHTML) {
	var lock = this.display_message(this.get_label('loading'), 'loading');
	this.http_post('headers', {_uid: this.env.uid}, lock);
	}
	};

	// hide all-headers row
	this.hide_headers = function(props, elem)
	{
	if (!this.gui_objects.all_headers_row \|\| !this.gui_objects.all_headers_box)
	return;

	$(elem).removeClass('hide-headers').addClass('show-headers');
	$(this.gui_objects.all_headers_row).hide();
	elem.onclick = function() { rcmail.command('show-headers', '', elem); };
	};


	/********************************************************/
	/******* html to text conversion functions *******/
	/********************************************************/

	this.html2plain = function(htmlText, id)
	{
	var rcmail = this,
	url = '?_task=utils&_action=html2text',
	lock = this.set_busy(true, 'converting');

	this.log('HTTP POST: ' + url);

	$.ajax({ type: 'POST', url: url, data: htmlText, contentType: 'application/octet-stream',
	error: function(o, status, err) { rcmail.http_error(o, status, err, lock); },
	success: function(data) { rcmail.set_busy(false, null, lock); $('#'+id).val(data); rcmail.log(data); }
	});
	};

	this.plain2html = function(plain, id)
	{
	var lock = this.set_busy(true, 'converting');

	plain = plain.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
	$('#'+id).val(plain ? '<pre>'+plain+'</pre>' : '');

	this.set_busy(false, null, lock);
	};


	/********************************************************/
	/******* remote request methods *******/
	/********************************************************/

	// compose a valid url with the given parameters
	this.url = function(action, query)
	{
	var querystring = typeof query === 'string' ? '&' + query : '';

	if (typeof action !== 'string')
	query = action;
	else if (!query \|\| typeof query !== 'object')
	query = {};

	if (action)
	query._action = action;
	else
	query._action = this.env.action;

	var base = this.env.comm_path, k, param = {};

	// overwrite task name
	if (query._action.match(/([a-z]+)\/([a-z0-9-_.]+)/)) {
	query._action = RegExp.$2;
	base = base.replace(/\_task=[a-z]+/, '_task='+RegExp.$1);
	}

	// remove undefined values
	for (k in query) {
	if (query[k] !== undefined && query[k] !== null)
	param[k] = query[k];
	}

	return base + '&' + $.param(param) + querystring;
	};

	this.redirect = function(url, lock)
	{
	if (lock \|\| lock === null)
	this.set_busy(true);

	if (this.is_framed()) {
	parent.rcmail.redirect(url, lock);
	}
	else {
	if (this.env.extwin) {
	if (typeof url == 'string')
	url += (url.indexOf('?') < 0 ? '?' : '&') + '_extwin=1';
	else
	url._extwin = 1;
	}
	this.location_href(url, window);
	}
	};

	this.goto_url = function(action, query, lock)
	{
	this.redirect(this.url(action, query));
	};

	this.location_href = function(url, target, frame)
	{
	if (frame)
	this.lock_frame();

	if (typeof url == 'object')
	url = this.env.comm_path + '&' + $.param(url);

	// simulate real link click to force IE to send referer header
	if (bw.ie && target == window)
	$('<a>').attr('href', url).appendTo(document.body).get(0).click();
	else
	target.location.href = url;

	// reset keep-alive interval
	this.start_keepalive();
	};

	// send a http request to the server
	this.http_request = function(action, query, lock)
	{
	var url = this.url(action, query);

	// trigger plugin hook
	var result = this.triggerEvent('request'+action, query);

	if (result !== undefined) {
	// abort if one the handlers returned false
	if (result === false)
	return false;
	else
	query = result;
	}

	url += '&_remote=1';

	// send request
	this.log('HTTP GET: ' + url);

	return $.ajax({
	type: 'GET', url: url, data: { _unlock:(lock?lock:0) }, dataType: 'json',
	success: function(data){ ref.http_response(data); },
	error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
	});

	// reset keep-alive interval
	this.start_keepalive();
	};

	// send a http POST request to the server
	this.http_post = function(action, postdata, lock)
	{
	var url = this.url(action);

	if (postdata && typeof postdata === 'object') {
	postdata._remote = 1;
	postdata._unlock = (lock ? lock : 0);
	}
	else
	postdata += (postdata ? '&' : '') + '_remote=1' + (lock ? '&_unlock='+lock : '');

	// trigger plugin hook
	var result = this.triggerEvent('request'+action, postdata);
	if (result !== undefined) {
	// abort if one of the handlers returned false
	if (result === false)
	return false;
	else
	postdata = result;
	}

	// send request
	this.log('HTTP POST: ' + url);

	return $.ajax({
	type: 'POST', url: url, data: postdata, dataType: 'json',
	success: function(data){ ref.http_response(data); },
	error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
	});

	// reset keep-alive interval
	this.start_keepalive();
	};

	// aborts ajax request
	this.abort_request = function(r)
	{
	if (r.request)
	r.request.abort();
	if (r.lock)
	this.set_busy(false, null, r.lock);
	};

	// handle HTTP response
	this.http_response = function(response)
	{
	if (!response)
	return;

	if (response.unlock)
	this.set_busy(false);

	this.triggerEvent('responsebefore', {response: response});
	this.triggerEvent('responsebefore'+response.action, {response: response});

	// set env vars
	if (response.env)
	this.set_env(response.env);

	// we have labels to add
	if (typeof response.texts === 'object') {
	for (var name in response.texts)
	if (typeof response.texts[name] === 'string')
	this.add_label(name, response.texts[name]);
	}

	// if we get javascript code from server -> execute it
	if (response.exec) {
	this.log(response.exec);
	eval(response.exec);
	}

	// execute callback functions of plugins
	if (response.callbacks && response.callbacks.length) {
	for (var i=0; i < response.callbacks.length; i++)
	this.triggerEvent(response.callbacks[i][0], response.callbacks[i][1]);
	}

	// process the response data according to the sent action
	switch (response.action) {
	case 'delete':
	if (this.task == 'addressbook') {
	var sid, uid = this.contact_list.get_selection(), writable = false;

	if (uid && this.contact_list.rows[uid]) {
	// search results, get source ID from record ID
	if (this.env.source == '') {
	sid = String(uid).replace(/^[^-]+-/, '');
	writable = sid && this.env.address_sources[sid] && !this.env.address_sources[sid].readonly;
	}
	else {
	writable = !this.env.address_sources[this.env.source].readonly;
	}
	}
	this.enable_command('compose', (uid && this.contact_list.rows[uid]));
	this.enable_command('delete', 'edit', writable);
	this.enable_command('export', (this.contact_list && this.contact_list.rowcount > 0));
	}

	case 'moveto':
	if (this.env.action == 'show') {
	// re-enable commands on move/delete error
	this.enable_command(this.env.message_commands, true);
	if (!this.env.list_post)
	this.enable_command('reply-list', false);
	}
	else if (this.task == 'addressbook') {
	this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
	}

	case 'purge':
	case 'expunge':
	if (this.task == 'mail') {
	if (!this.env.messagecount) {
	// clear preview pane content
	if (this.env.contentframe)
	this.show_contentframe(false);
	// disable commands useless when mailbox is empty
	this.enable_command(this.env.message_commands, 'purge', 'expunge',
	'select-all', 'select-none', 'expand-all', 'expand-unread', 'collapse-all', false);
	}
	if (this.message_list)
	this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
	}
	break;

	case 'refresh':
	case 'check-recent':
	case 'getunread':
	case 'search':
	this.env.qsearch = null;
	case 'list':
	if (this.task == 'mail') {
	this.enable_command('show', 'expunge', 'select-all', 'select-none', (this.env.messagecount > 0));
	this.enable_command('purge', this.purge_mailbox_test());
	this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading && this.env.messagecount);

	if ((response.action == 'list' \|\| response.action == 'search') && this.message_list) {
	this.msglist_select(this.message_list);
	this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
	}
	}
	else if (this.task == 'addressbook') {
	this.enable_command('export', (this.contact_list && this.contact_list.rowcount > 0));

	if (response.action == 'list' \|\| response.action == 'search') {
	this.enable_command('search-create', this.env.source == '');
	this.enable_command('search-delete', this.env.search_id);
	this.update_group_commands();
	this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
	}
	}
	break;
	}

	if (response.unlock)
	this.hide_message(response.unlock);

	this.triggerEvent('responseafter', {response: response});
	this.triggerEvent('responseafter'+response.action, {response: response});

	// reset keep-alive interval
	this.start_keepalive();
	};

	// handle HTTP request errors
	this.http_error = function(request, status, err, lock, action)
	{
	var errmsg = request.statusText;

	this.set_busy(false, null, lock);
	request.abort();

	// don't display error message on page unload (#1488547)
	if (this.unload)
	return;

	if (request.status && errmsg)
	this.display_message(this.get_label('servererror') + ' (' + errmsg + ')', 'error');
	else if (status == 'timeout')
	this.display_message(this.get_label('requesttimedout'), 'error');
	else if (request.status == 0 && status != 'abort')
	this.display_message(this.get_label('servererror') + ' (No connection)', 'error');

	// re-send keep-alive requests after 30 seconds
	if (action == 'keep-alive')
	setTimeout(function(){ ref.keep_alive(); ref.start_keepalive(); }, 30000);
	};

	// post the given form to a hidden iframe
	this.async_upload_form = function(form, action, onload)
	{
	var ts = new Date().getTime(),
	frame_name = 'rcmupload'+ts;

	// upload progress support
	if (this.env.upload_progress_name) {
	var fname = this.env.upload_progress_name,
	field = $('input[name='+fname+']', form);

	if (!field.length) {
	field = $('<input>').attr({type: 'hidden', name: fname});
	field.prependTo(form);
	}

	field.val(ts);
	}

	// have to do it this way for IE
	// otherwise the form will be posted to a new window
	if (document.all) {
	var html = '<iframe name="'+frame_name+'" src="program/resources/blank.gif" style="width:0;height:0;visibility:hidden;"></iframe>';
	document.body.insertAdjacentHTML('BeforeEnd', html);
	}
	else { // for standards-compilant browsers
	var frame = document.createElement('iframe');
	frame.name = frame_name;
	frame.style.border = 'none';
	frame.style.width = 0;
	frame.style.height = 0;
	frame.style.visibility = 'hidden';
	document.body.appendChild(frame);
	}

	// handle upload errors, parsing iframe content in onload
	$(frame_name).bind('load', {ts:ts}, onload);

	$(form).attr({
	target: frame_name,
	action: this.url(action, { _id:this.env.compose_id\|\|'', _uploadid:ts }),
	method: 'POST'})
	.attr(form.encoding ? 'encoding' : 'enctype', 'multipart/form-data')
	.submit();

	return frame_name;
	};

	// html5 file-drop API
	this.document_drag_hover = function(e, over)
	{
	e.preventDefault();
	$(ref.gui_objects.filedrop)[(over?'addClass':'removeClass')]('active');
	};

	this.file_drag_hover = function(e, over)
	{
	e.preventDefault();
	e.stopPropagation();
	$(ref.gui_objects.filedrop)[(over?'addClass':'removeClass')]('hover');
	};

	// handler when files are dropped to a designated area.
	// compose a multipart form data and submit it to the server
	this.file_dropped = function(e)
	{
	// abort event and reset UI
	this.file_drag_hover(e, false);

	// prepare multipart form data composition
	var files = e.target.files \|\| e.dataTransfer.files,
	formdata = window.FormData ? new FormData() : null,
	fieldname = (this.env.filedrop.fieldname \|\| '_file') + (this.env.filedrop.single ? '' : '[]'),
	boundary = '------multipartformboundary' + (new Date).getTime(),
	dashdash = '--', crlf = '\r\n',
	multipart = dashdash + boundary + crlf;

	if (!files \|\| !files.length)
	return;

	// inline function to submit the files to the server
	var submit_data = function() {
	var multiple = files.length > 1,
	ts = new Date().getTime(),
	content = '<span>' + (multiple ? ref.get_label('uploadingmany') : files[0].name) + '</span>';

	// add to attachments list
	if (!ref.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false }))
	ref.file_upload_id = ref.set_busy(true, 'uploading');

	// complete multipart content and post request
	multipart += dashdash + boundary + dashdash + crlf;

	$.ajax({
	type: 'POST',
	dataType: 'json',
	url: ref.url(ref.env.filedrop.action\|\|'upload', { _id:ref.env.compose_id\|\|ref.env.cid\|\|'', _uploadid:ts, _remote:1 }),
	contentType: formdata ? false : 'multipart/form-data; boundary=' + boundary,
	processData: false,
	data: formdata \|\| multipart,
	headers: {'X-Roundcube-Request': ref.env.request_token},
	beforeSend: function(xhr, s) { if (!formdata && xhr.sendAsBinary) xhr.send = xhr.sendAsBinary; },
	success: function(data){ ref.http_response(data); },
	error: function(o, status, err) { ref.http_error(o, status, err, null, 'attachment'); }
	});
	};

	// get contents of all dropped files
	var last = this.env.filedrop.single ? 0 : files.length - 1;
	for (var j=0, i=0, f; j <= last && (f = files[i]); i++) {
	if (!f.name) f.name = f.fileName;
	if (!f.size) f.size = f.fileSize;
	if (!f.type) f.type = 'application/octet-stream';

	// file name contains non-ASCII characters, do UTF8-binary string conversion.
	if (!formdata && /[^\x20-\x7E]/.test(f.name))
	f.name_bin = unescape(encodeURIComponent(f.name));

	// filter by file type if requested
	if (this.env.filedrop.filter && !f.type.match(new RegExp(this.env.filedrop.filter))) {
	// TODO: show message to user
	continue;
	}

	// do it the easy way with FormData (FF 4+, Chrome 5+, Safari 5+)
	if (formdata) {
	formdata.append(fieldname, f);
	if (j == last)
	return submit_data();
	}
	// use FileReader supporetd by Firefox 3.6
	else if (window.FileReader) {
	var reader = new FileReader();

	// closure to pass file properties to async callback function
	reader.onload = (function(file, j) {
	return function(e) {
	multipart += 'Content-Disposition: form-data; name="' + fieldname + '"';
	multipart += '; filename="' + (f.name_bin \|\| file.name) + '"' + crlf;
	multipart += 'Content-Length: ' + file.size + crlf;
	multipart += 'Content-Type: ' + file.type + crlf + crlf;
	multipart += e.target.result + crlf;
	multipart += dashdash + boundary + crlf;

	if (j == last) // we're done, submit the data
	return submit_data();
	}
	})(f,j);
	reader.readAsBinaryString(f);
	}
	// Firefox 3
	else if (f.getAsBinary) {
	multipart += 'Content-Disposition: form-data; name="' + fieldname + '"';
	multipart += '; filename="' + (f.name_bin \|\| f.name) + '"' + crlf;
	multipart += 'Content-Length: ' + f.size + crlf;
	multipart += 'Content-Type: ' + f.type + crlf + crlf;
	multipart += f.getAsBinary() + crlf;
	multipart += dashdash + boundary +crlf;

	if (j == last)
	return submit_data();
	}

	j++;
	}
	};

	// starts interval for keep-alive signal
	this.start_keepalive = function()
	{
	if (!this.env.session_lifetime \|\| this.env.framed \|\| this.env.extwin \|\| this.task == 'login' \|\| this.env.action == 'print')
	return;

	if (this._keepalive)
	clearInterval(this._keepalive);

	this._keepalive = setInterval(function(){ ref.keep_alive(); }, this.env.session_lifetime * 0.5 * 1000);
	};

	// starts interval for refresh signal
	this.start_refresh = function()
	{
	- if (!this.env.keep_alive \|\| this.env.framed \|\| this.env.extwin \|\| this.task == 'login' \|\| this.env.action == 'print')
	+ if (!this.env.refresh_interval \|\| this.env.framed \|\| this.env.extwin \|\| this.task == 'login' \|\| this.env.action == 'print')
	return;

	if (this._refresh)
	clearInterval(this._refresh);

	- this._refresh = setInterval(function(){ ref.refresh(); }, this.env.keep_alive * 1000);
	+ this._refresh = setInterval(function(){ ref.refresh(); }, this.env.refresh_interval * 1000);
	};

	// sends keep-alive signal
	this.keep_alive = function()
	{
	if (!this.busy)
	this.http_request('keep-alive');
	};

	// sends refresh signal
	this.refresh = function()
	{
	if (this.busy) {
	// try again after 10 seconds
	setTimeout(function(){ ref.refresh(); ref.start_refresh(); }, 10000);
	return;
	}

	var params = {}, lock = this.set_busy(true, 'refreshing');

	if (this.task == 'mail' && this.gui_objects.mailboxlist)
	params = this.check_recent_params();

	// plugins should bind to 'requestrefresh' event to add own params
	this.http_request('refresh', params, lock);
	};

	// returns check-recent request parameters
	this.check_recent_params = function()
	{
	var params = {_mbox: this.env.mailbox};

	if (this.gui_objects.mailboxlist)
	params._folderlist = 1;
	if (this.gui_objects.messagelist)
	params._list = 1;
	if (this.gui_objects.quotadisplay)
	params._quota = 1;
	if (this.env.search_request)
	params._search = this.env.search_request;

	return params;
	};


	/********************************************************/
	/******* helper methods *******/
	/********************************************************/

	// check if we're in show mode or if we have a unique selection
	// and return the message uid
	this.get_single_uid = function()
	{
	return this.env.uid ? this.env.uid : (this.message_list ? this.message_list.get_single_selection() : null);
	};

	// same as above but for contacts
	this.get_single_cid = function()
	{
	return this.env.cid ? this.env.cid : (this.contact_list ? this.contact_list.get_single_selection() : null);
	};

	// gets cursor position
	this.get_caret_pos = function(obj)
	{
	if (obj.selectionEnd !== undefined)
	return obj.selectionEnd;
	else if (document.selection && document.selection.createRange) {
	var range = document.selection.createRange();
	if (range.parentElement() != obj)
	return 0;

	var gm = range.duplicate();
	if (obj.tagName == 'TEXTAREA')
	gm.moveToElementText(obj);
	else
	gm.expand('textedit');

	gm.setEndPoint('EndToStart', range);
	var p = gm.text.length;

	return p<=obj.value.length ? p : -1;
	}
	else
	return obj.value.length;
	};

	// moves cursor to specified position
	this.set_caret_pos = function(obj, pos)
	{
	if (obj.setSelectionRange)
	obj.setSelectionRange(pos, pos);
	else if (obj.createTextRange) {
	var range = obj.createTextRange();
	range.collapse(true);
	range.moveEnd('character', pos);
	range.moveStart('character', pos);
	range.select();
	}
	};

	// disable/enable all fields of a form
	this.lock_form = function(form, lock)
	{
	if (!form \|\| !form.elements)
	return;

	var n, len, elm;

	if (lock)
	this.disabled_form_elements = [];

	for (n=0, len=form.elements.length; n<len; n++) {
	elm = form.elements[n];

	if (elm.type == 'hidden')
	continue;
	// remember which elem was disabled before lock
	if (lock && elm.disabled)
	this.disabled_form_elements.push(elm);
	// check this.disabled_form_elements before inArray() as a workaround for FF5 bug
	// http://bugs.jquery.com/ticket/9873
	else if (lock \|\| (this.disabled_form_elements && $.inArray(elm, this.disabled_form_elements)<0))
	elm.disabled = lock;
	}
	};

	this.mailto_handler_uri = function()
	{
	return location.href.split('?')[0] + '?_task=mail&_action=compose&_to=%s';
	};

	this.register_protocol_handler = function(name)
	{
	try {
	window.navigator.registerProtocolHandler('mailto', this.mailto_handler_uri(), name);
	}
	catch(e) {};
	};

	this.check_protocol_handler = function(name, elem)
	{
	var nav = window.navigator;
	if (!nav
	\|\| (typeof nav.registerProtocolHandler != 'function')
	\|\| ((typeof nav.isProtocolHandlerRegistered == 'function')
	&& nav.isProtocolHandlerRegistered('mailto', this.mailto_handler_uri()) == 'registered')
	)
	$(elem).addClass('disabled');
	else
	$(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
	};

	// Checks browser capabilities eg. PDF support, TIF support
	this.browser_capabilities_check = function()
	{
	if (!this.env.browser_capabilities)
	this.env.browser_capabilities = {};

	if (this.env.browser_capabilities.pdf === undefined)
	this.env.browser_capabilities.pdf = this.pdf_support_check();

	if (this.env.browser_capabilities.flash === undefined)
	this.env.browser_capabilities.flash = this.flash_support_check();

	if (this.env.browser_capabilities.tif === undefined)
	this.tif_support_check();
	};

	// Returns browser capabilities string
	this.browser_capabilities = function()
	{
	if (!this.env.browser_capabilities)
	return '';

	var n, ret = [];

	for (n in this.env.browser_capabilities)
	ret.push(n + '=' + this.env.browser_capabilities[n]);

	return ret.join();
	};

	this.tif_support_check = function()
	{
	var img = new Image();

	img.onload = function() { rcmail.env.browser_capabilities.tif = 1; };
	img.onerror = function() { rcmail.env.browser_capabilities.tif = 0; };
	img.src = 'program/resources/blank.tif';
	};

	this.pdf_support_check = function()
	{
	var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/pdf"] : {},
	plugins = navigator.plugins,
	len = plugins.length,
	regex = /Adobe Reader\|PDF\|Acrobat/i;

	if (plugin && plugin.enabledPlugin)
	return 1;

	if (window.ActiveXObject) {
	try {
	if (axObj = new ActiveXObject("AcroPDF.PDF"))
	return 1;
	}
	catch (e) {}
	try {
	if (axObj = new ActiveXObject("PDF.PdfCtrl"))
	return 1;
	}
	catch (e) {}
	}

	for (i=0; i<len; i++) {
	plugin = plugins[i];
	if (typeof plugin === 'String') {
	if (regex.test(plugin))
	return 1;
	}
	else if (plugin.name && regex.test(plugin.name))
	return 1;
	}

	return 0;
	};

	this.flash_support_check = function()
	{
	var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/x-shockwave-flash"] : {};

	if (plugin && plugin.enabledPlugin)
	return 1;

	if (window.ActiveXObject) {
	try {
	if (axObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"))
	return 1;
	}
	catch (e) {}
	}

	return 0;
	};

	// Cookie setter
	this.set_cookie = function(name, value, expires)
	{
	setCookie(name, value, expires, this.env.cookie_path, this.env.cookie_domain, this.env.cookie_secure);
	}

	} // end object rcube_webmail


	// some static methods
	rcube_webmail.long_subject_title = function(elem, indent)
	{
	if (!elem.title) {
	var $elem = $(elem);
	if ($elem.width() + indent * 15 > $elem.parent().width())
	elem.title = $elem.html();
	}
	};

	rcube_webmail.long_subject_title_ie = function(elem, indent)
	{
	if (!elem.title) {
	var $elem = $(elem),
	txt = $.trim($elem.text()),
	tmp = $('<span>').text(txt)
	.css({'position': 'absolute', 'float': 'left', 'visibility': 'hidden',
	'font-size': $elem.css('font-size'), 'font-weight': $elem.css('font-weight')})
	.appendTo($('body')),
	w = tmp.width();

	tmp.remove();
	if (w + indent * 15 > $elem.width())
	elem.title = txt;
	}
	};

	rcube_webmail.prototype.get_cookie = getCookie;

	// copy event engine prototype
	rcube_webmail.prototype.addEventListener = rcube_event_engine.prototype.addEventListener;
	rcube_webmail.prototype.removeEventListener = rcube_event_engine.prototype.removeEventListener;
	rcube_webmail.prototype.triggerEvent = rcube_event_engine.prototype.triggerEvent;
	diff --git a/program/steps/settings/func.inc b/program/steps/settings/func.inc
	index 27e1e1346..876e02761 100644
	--- a/program/steps/settings/func.inc
	+++ b/program/steps/settings/func.inc
	@@ -1,1007 +1,1007 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/settings/func.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2012, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Provide functionality for user's settings & preferences \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	if (!$OUTPUT->ajax_call)
	$OUTPUT->set_pagetitle(rcube_label('preferences'));


	// similar function as /steps/settings/identities.inc::rcmail_identity_frame()
	function rcmail_preferences_frame($attrib)
	{
	global $OUTPUT;

	if (!$attrib['id'])
	$attrib['id'] = 'rcmprefsframe';

	return $OUTPUT->frame($attrib, true);
	}


	function rcmail_sections_list($attrib)
	{
	global $RCMAIL;

	// add id to message list table if not specified
	if (!strlen($attrib['id']))
	$attrib['id'] = 'rcmsectionslist';

	list($list, $cols) = rcmail_user_prefs();

	// create XHTML table
	$out = rcube_table_output($attrib, $list, $cols, 'id');

	// set client env
	$RCMAIL->output->add_gui_object('sectionslist', $attrib['id']);
	$RCMAIL->output->include_script('list.js');

	return $out;
	}


	function rcmail_identities_list($attrib)
	{
	global $OUTPUT, $RCMAIL;

	// add id to message list table if not specified
	if (!strlen($attrib['id']))
	$attrib['id'] = 'rcmIdentitiesList';

	// get identities list and define 'mail' column
	$list = $RCMAIL->user->list_identities();
	foreach ($list as $idx => $row)
	$list[$idx]['mail'] = trim($row['name'] . ' <' . rcube_idn_to_utf8($row['email']) .'>');

	// get all identites from DB and define list of cols to be displayed
	$plugin = $RCMAIL->plugins->exec_hook('identities_list', array(
	'list' => $list,
	'cols' => array('mail')));

	// @TODO: use <UL> instead of <TABLE> for identities list
	// create XHTML table
	$out = rcube_table_output($attrib, $plugin['list'], $plugin['cols'], 'identity_id');

	// set client env
	$OUTPUT->add_gui_object('identitieslist', $attrib['id']);

	return $out;
	}


	// similar function as in /steps/addressbook/edit.inc
	function get_form_tags($attrib, $action, $id = null, $hidden = null)
	{
	global $EDIT_FORM, $RCMAIL;

	$form_start = $form_end = '';

	if (empty($EDIT_FORM)) {
	$request_key = $action . (isset($id) ? '.'.$id : '');
	$form_start = $RCMAIL->output->request_form(array(
	'name' => 'form',
	'method' => 'post',
	'task' => $RCMAIL->task,
	'action' => $action,
	'request' => $request_key,
	'noclose' => true
	) + $attrib);

	if (is_array($hidden)) {
	$hiddenfields = new html_hiddenfield($hidden);
	$form_start .= $hiddenfields->show();
	}

	$form_end = !strlen($attrib['form']) ? '</form>' : '';

	$EDIT_FORM = !empty($attrib['form']) ? $attrib['form'] : 'form';
	$RCMAIL->output->add_gui_object('editform', $EDIT_FORM);
	}

	return array($form_start, $form_end);
	}


	function rcmail_user_prefs($current=null)
	{
	global $RCMAIL;

	$sections['general'] = array('id' => 'general', 'section' => rcube_label('uisettings'));
	$sections['mailbox'] = array('id' => 'mailbox', 'section' => rcube_label('mailboxview'));
	$sections['mailview'] = array('id' => 'mailview','section' => rcube_label('messagesdisplaying'));
	$sections['compose'] = array('id' => 'compose', 'section' => rcube_label('messagescomposition'));
	$sections['addressbook'] = array('id' => 'addressbook','section' => rcube_label('addressbook'));
	$sections['folders'] = array('id' => 'folders', 'section' => rcube_label('specialfolders'));
	$sections['server'] = array('id' => 'server', 'section' => rcube_label('serversettings'));

	// hook + define list cols
	$plugin = $RCMAIL->plugins->exec_hook('preferences_sections_list',
	array('list' => $sections, 'cols' => array('section')));

	$sections = $plugin['list'];

	$config = $RCMAIL->config->all();
	$no_override = array_flip($RCMAIL->config->get('dont_override', array()));

	foreach ($sections as $idx => $sect) {

	if ($current && $sect['id'] != $current)
	continue;

	$blocks = array();

	switch ($sect['id']) {
	// general
	case 'general':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	);

	// language selection
	if (!isset($no_override['language'])) {
	$a_lang = $RCMAIL->list_languages();
	asort($a_lang);

	$field_id = 'rcmfd_lang';
	$select_lang = new html_select(array('name' => '_language', 'id' => $field_id));
	$select_lang->add(array_values($a_lang), array_keys($a_lang));

	$blocks['main']['options']['language'] = array(
	'title' => html::label($field_id, Q(rcube_label('language'))),
	'content' => $select_lang->show($RCMAIL->user->language),
	);
	}

	// timezone selection
	if (!isset($no_override['timezone'])) {
	$field_id = 'rcmfd_timezone';
	$select_timezone = new html_select(array('name' => '_timezone', 'id' => $field_id));
	$select_timezone->add(rcube_label('autodetect'), 'auto');

	$zones = array();
	foreach (DateTimeZone::listIdentifiers() as $i => $tzs) {
	try {
	$tz = new DateTimeZone($tzs);
	$date = new DateTime('2012-12-21', $tz);
	$offset = $date->format('Z') + 45000;
	$sortkey = sprintf('%06d.%s', $offset, $tzs);
	$zones[$sortkey] = array($tzs, $date->format('P'));
	}
	catch (Exception $e) {}
	}

	ksort($zones);
	foreach ($zones as $zone) {
	list($tzs, $offset) = $zone;
	$select_timezone->add('(GMT ' . $offset . ') ' . strtr($tzs, '_', ' '), $tzs);
	}

	$blocks['main']['options']['timezone'] = array(
	'title' => html::label($field_id, Q(rcube_label('timezone'))),
	'content' => $select_timezone->show((string)$config['timezone']),
	);
	}

	// date/time formatting
	if (!isset($no_override['time_format'])) {
	$reftime = mktime(7,30,0);
	$field_id = 'rcmfd_time_format';
	$select_time = new html_select(array('name' => '_time_format', 'id' => $field_id));
	foreach ((array)$RCMAIL->config->get('time_formats', array('G:i', 'H:i', 'g:i a', 'h:i A')) as $choice)
	$select_time->add(date($choice, $reftime), $choice);

	$blocks['main']['options']['time_format'] = array(
	'title' => html::label($field_id, Q(rcube_label('timeformat'))),
	'content' => $select_time->show($RCMAIL->config->get('time_format')),
	);
	}

	if (!isset($no_override['date_format'])) {
	$refdate = mktime(12,30,0,7,24);
	$field_id = 'rcmfd_date_format';
	$select_date = new html_select(array('name' => '_date_format', 'id' => $field_id));
	foreach ((array)$RCMAIL->config->get('date_formats', array('Y-m-d','d-m-Y','Y/m/d','m/d/Y','d/m/Y','d.m.Y','j.n.Y')) as $choice)
	$select_date->add(date($choice, $refdate), $choice);

	$blocks['main']['options']['date_format'] = array(
	'title' => html::label($field_id, Q(rcube_label('dateformat'))),
	'content' => $select_date->show($config['date_format']),
	);
	}

	// MM: Show checkbox for toggling 'pretty dates'
	if (!isset($no_override['prettydate'])) {
	$field_id = 'rcmfd_prettydate';
	$input_prettydate = new html_checkbox(array('name' => '_pretty_date', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['prettydate'] = array(
	'title' => html::label($field_id, Q(rcube_label('prettydate'))),
	'content' => $input_prettydate->show($config['prettydate']?1:0),
	);
	}

	- if (!isset($no_override['keep_alive'])) {
	- $field_id = 'rcmfd_keep_alive';
	- $select_keep_alive = new html_select(array('name' => '_keep_alive', 'id' => $field_id));
	+ if (!isset($no_override['refresh_interval'])) {
	+ $field_id = 'rcmfd_refresh_interval';
	+ $select_refresh_interval = new html_select(array('name' => '_refresh_interval', 'id' => $field_id));

	- $select_keep_alive->add(rcube_label('never'), 0);
	+ $select_refresh_interval->add(rcube_label('never'), 0);
	foreach (array(1, 3, 5, 10, 15, 30, 60) as $min) {
	- if (!$config['min_keep_alive'] \|\| $config['min_keep_alive'] <= $min * 60) {
	+ if (!$config['min_refresh_interval'] \|\| $config['min_refresh_interval'] <= $min * 60) {
	$label = rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
	- $select_keep_alive->add($label, $min);
	+ $select_refresh_interval->add($label, $min);
	}
	}

	- $blocks['main']['options']['keep_alive'] = array(
	+ $blocks['main']['options']['refresh_interval'] = array(
	'title' => html::label($field_id, Q(rcube_label('refreshinterval'))),
	- 'content' => $select_keep_alive->show($config['keep_alive']/60),
	+ 'content' => $select_refresh_interval->show($config['refresh_interval']/60),
	);
	}

	// show drop-down for available skins
	if (!isset($no_override['skin'])) {
	$skins = rcmail_get_skins();

	if (count($skins) > 1) {
	$field_id = 'rcmfd_skin';
	$input_skin = new html_radiobutton(array('name'=>'_skin'));

	$blocks['skin'] = array('name' => Q(rcube_label('skin')),);

	foreach($skins as $skin) {
	$thumbnail = "./skins/$skin/thumbnail.png";
	if (!is_file($thumbnail))
	$thumbnail = './program/resources/blank.gif';

	$skinname = ucfirst($skin);
	$author_link = $license_link = '';
	$meta = @json_decode(@file_get_contents("./skins/$skin/meta.json"), true);
	if (is_array($meta) && $meta['name']) {
	$skinname = $meta['name'];
	$author_link = $meta['url'] ? html::a(array('href' => $meta['url'], 'target' => '_blank'), Q($meta['author'])) : Q($meta['author']);
	$license_link = $meta['license-url'] ? html::a(array('href' => $meta['license-url'], 'target' => '_blank'), Q($meta['license'])) : Q($meta['license']);
	}

	$blocks['skin']['options'][$skin]['content'] = html::label(array('class' => 'skinselection'),
	html::span('skinitem', $input_skin->show($config['skin'], array('value' => $skin, 'id' => $field_id.$skin))) .
	html::span('skinitem', html::img(array('src' => $thumbnail, 'class' => 'skinthumbnail', 'alt' => $skin, 'width' => 64, 'height' => 64))) .
	html::span('skinitem', html::span('skinname', Q($skinname)) . html::br() .
	html::span('skinauthor', $author_link ? 'by ' . $author_link : '') . html::br() .
	html::span('skinlicense', $license_link ? rcube_label('license').': ' . $license_link : ''))
	);
	}
	}
	}

	$product_name = $RCMAIL->config->get('product_name', 'Roundcube Webmail');
	$RCMAIL->output->add_script(sprintf("%s.check_protocol_handler('%s', '#mailtoprotohandler');",
	JS_OBJECT_NAME, JQ($product_name)), 'foot');

	$blocks['browser'] = array(
	'name' => Q(rcube_label('browseroptions')),
	'options' => array('mailtoprotohandler' => array(
	'content' => html::a(array(
	'href' => '#',
	'id' => 'mailtoprotohandler'), Q(rcube_label('mailtoprotohandler'))),
	)),
	);

	break;

	// Mailbox view (mail screen)
	case 'mailbox':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	'new_message' => array('name' => Q(rcube_label('newmessage'))),
	);

	// show config parameter for preview pane
	if (!isset($no_override['preview_pane'])) {
	$field_id = 'rcmfd_preview';
	$input_preview = new html_checkbox(array('name' => '_preview_pane', 'id' => $field_id, 'value' => 1,
	'onchange' => "$('#rcmfd_preview_pane_mark_read').prop('disabled', !this.checked)"));

	$blocks['main']['options']['preview_pane'] = array(
	'title' => html::label($field_id, Q(rcube_label('previewpane'))),
	'content' => $input_preview->show($config['preview_pane']?1:0),
	);
	}

	// show config parameter for preview pane auto mark as read delay
	if (!isset($no_override['preview_pane_mark_read'])) {
	// apply default if config option is not set at all
	$config['preview_pane_mark_read'] = $RCMAIL->config->get('preview_pane_mark_read', 0);

	$field_id = 'rcmfd_preview_pane_mark_read';
	$select_delay = new html_select(array('name' => '_preview_pane_mark_read', 'id' => $field_id,
	'disabled' => $config['preview_pane']?0:1));

	$select_delay->add(rcube_label('never'), '-1');
	$select_delay->add(rcube_label('immediately'), 0);
	foreach(array(5, 10, 20, 30) as $sec)
	$select_delay->add(rcube_label(array('name' => 'afternseconds', 'vars' => array('n' => $sec))), $sec);

	$blocks['main']['options']['preview_pane_mark_read'] = array(
	'title' => html::label($field_id, Q(rcube_label('previewpanemarkread'))),
	'content' => $select_delay->show(intval($config['preview_pane_mark_read'])),
	);
	}

	if (!isset($no_override['mdn_requests'])) {
	$field_id = 'rcmfd_mdn_requests';
	$select_mdn_requests = new html_select(array('name' => '_mdn_requests', 'id' => $field_id));
	$select_mdn_requests->add(rcube_label('askuser'), 0);
	$select_mdn_requests->add(rcube_label('autosend'), 1);
	$select_mdn_requests->add(rcube_label('autosendknown'), 3);
	$select_mdn_requests->add(rcube_label('autosendknownignore'), 4);
	$select_mdn_requests->add(rcube_label('ignore'), 2);

	$blocks['main']['options']['mdn_requests'] = array(
	'title' => html::label($field_id, Q(rcube_label('mdnrequests'))),
	'content' => $select_mdn_requests->show($config['mdn_requests']),
	);
	}

	$storage = $RCMAIL->get_storage();
	$threading_supported = $storage->get_capability('THREAD');

	if (!isset($no_override['autoexpand_threads']) && $threading_supported) {
	$field_id = 'rcmfd_autoexpand_threads';
	$select_autoexpand_threads = new html_select(array('name' => '_autoexpand_threads', 'id' => $field_id));
	$select_autoexpand_threads->add(rcube_label('never'), 0);
	$select_autoexpand_threads->add(rcube_label('do_expand'), 1);
	$select_autoexpand_threads->add(rcube_label('expand_only_unread'), 2);

	$blocks['main']['options']['autoexpand_threads'] = array(
	'title' => html::label($field_id, Q(rcube_label('autoexpand_threads'))),
	'content' => $select_autoexpand_threads->show($config['autoexpand_threads']),
	);
	}

	// show page size selection
	if (!isset($no_override['mail_pagesize'])) {
	$field_id = 'rcmfd_mail_pagesize';
	$input_pagesize = new html_inputfield(array('name' => '_mail_pagesize', 'id' => $field_id, 'size' => 5));

	$size = intval($config['mail_pagesize'] ? $config['mail_pagesize'] : $config['pagesize']);

	$blocks['main']['options']['pagesize'] = array(
	'title' => html::label($field_id, Q(rcube_label('pagesize'))),
	'content' => $input_pagesize->show($size ? $size : 50),
	);
	}
	if (!isset($no_override['check_all_folders'])) {
	$field_id = 'rcmfd_check_all_folders';
	$input_check_all = new html_checkbox(array('name' => '_check_all_folders', 'id' => $field_id, 'value' => 1));

	$blocks['new_message']['options']['check_all_folders'] = array(
	'title' => html::label($field_id, Q(rcube_label('checkallfolders'))),
	'content' => $input_check_all->show($config['check_all_folders']?1:0),
	);
	}

	break;

	// Message viewing
	case 'mailview':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	);

	// show checkbox to open message view in new window
	if (!isset($no_override['message_extwin'])) {
	$field_id = 'rcmfd_message_extwin';
	$input_msgextwin = new html_checkbox(array('name' => '_message_extwin', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['message_extwin'] = array(
	'title' => html::label($field_id, Q(rcube_label('showinextwin'))),
	'content' => $input_msgextwin->show($config['message_extwin']?1:0),
	);
	}

	// show checkbox for HTML/plaintext messages
	if (!isset($no_override['prefer_html'])) {
	$field_id = 'rcmfd_htmlmsg';
	$input_preferhtml = new html_checkbox(array('name' => '_prefer_html', 'id' => $field_id, 'value' => 1,
	'onchange' => "$('#rcmfd_show_images').prop('disabled', !this.checked).val(0)"));

	$blocks['main']['options']['prefer_html'] = array(
	'title' => html::label($field_id, Q(rcube_label('preferhtml'))),
	'content' => $input_preferhtml->show($config['prefer_html']?1:0),
	);
	}

	if (!isset($no_override['default_charset'])) {
	$field_id = 'rcmfd_default_charset';

	$blocks['main']['options']['default_charset'] = array(
	'title' => html::label($field_id, Q(rcube_label('defaultcharset'))),
	'content' => $RCMAIL->output->charset_selector(array(
	'name' => '_default_charset', 'selected' => $config['default_charset']
	))
	);
	}

	if (!isset($no_override['show_images'])) {
	$field_id = 'rcmfd_show_images';
	$input_show_images = new html_select(array('name' => '_show_images', 'id' => $field_id,
	'disabled' => !$config['prefer_html']));
	$input_show_images->add(rcube_label('never'), 0);
	$input_show_images->add(rcube_label('fromknownsenders'), 1);
	$input_show_images->add(rcube_label('always'), 2);

	$blocks['main']['options']['show_images'] = array(
	'title' => html::label($field_id, Q(rcube_label('showremoteimages'))),
	'content' => $input_show_images->show($config['prefer_html'] ? $config['show_images'] : 0),
	);
	}

	if (!isset($no_override['inline_images'])) {
	$field_id = 'rcmfd_inline_images';
	$input_inline_images = new html_checkbox(array('name' => '_inline_images', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['inline_images'] = array(
	'title' => html::label($field_id, Q(rcube_label('showinlineimages'))),
	'content' => $input_inline_images->show($config['inline_images']?1:0),
	);
	}

	// "display after delete" checkbox
	if (!isset($no_override['display_next'])) {
	$field_id = 'rcmfd_displaynext';
	$input_displaynext = new html_checkbox(array('name' => '_display_next', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['display_next'] = array(
	'title' => html::label($field_id, Q(rcube_label('displaynext'))),
	'content' => $input_displaynext->show($config['display_next']?1:0),
	);
	}

	break;

	// Mail composition
	case 'compose':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	'spellcheck' => array('name' => Q(rcube_label('spellcheckoptions'))),
	'sig' => array('name' => Q(rcube_label('signatureoptions'))),
	);

	// show checkbox to compose messages in a new window
	if (!isset($no_override['compose_extwin'])) {
	$field_id = 'rcmfdcompose_extwin';
	$input_compextwin = new html_checkbox(array('name' => '_compose_extwin', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['compose_extwin'] = array(
	'title' => html::label($field_id, Q(rcube_label('composeextwin'))),
	'content' => $input_compextwin->show($config['compose_extwin']?1:0),
	);
	}

	if (!isset($no_override['htmleditor'])) {
	$field_id = 'rcmfd_htmleditor';
	$select_htmleditor = new html_select(array('name' => '_htmleditor', 'id' => $field_id));
	$select_htmleditor->add(rcube_label('never'), 0);
	$select_htmleditor->add(rcube_label('always'), 1);
	$select_htmleditor->add(rcube_label('htmlonreply'), 2);
	$select_htmleditor->add(rcube_label('htmlonreplyandforward'), 3);

	$blocks['main']['options']['htmleditor'] = array(
	'title' => html::label($field_id, Q(rcube_label('htmleditor'))),
	'content' => $select_htmleditor->show(intval($config['htmleditor'])),
	);
	}

	if (!isset($no_override['draft_autosave'])) {
	$field_id = 'rcmfd_autosave';
	$select_autosave = new html_select(array('name' => '_draft_autosave', 'id' => $field_id, 'disabled' => empty($config['drafts_mbox'])));
	$select_autosave->add(rcube_label('never'), 0);
	foreach (array(1, 3, 5, 10) as $i => $min)
	$select_autosave->add(rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min))), $min*60);

	$blocks['main']['options']['draft_autosave'] = array(
	'title' => html::label($field_id, Q(rcube_label('autosavedraft'))),
	'content' => $select_autosave->show($config['draft_autosave']),
	);
	}

	if (!isset($no_override['mime_param_folding'])) {
	$field_id = 'rcmfd_param_folding';
	$select_param_folding = new html_select(array('name' => '_mime_param_folding', 'id' => $field_id));
	$select_param_folding->add(rcube_label('2231folding'), 0);
	$select_param_folding->add(rcube_label('miscfolding'), 1);
	$select_param_folding->add(rcube_label('2047folding'), 2);

	$blocks['main']['options']['mime_param_folding'] = array(
	'advanced' => true,
	'title' => html::label($field_id, Q(rcube_label('mimeparamfolding'))),
	'content' => $select_param_folding->show($config['mime_param_folding']),
	);
	}

	if (!isset($no_override['force_7bit'])) {
	$field_id = 'rcmfd_force_7bit';
	$input_7bit = new html_checkbox(array('name' => '_force_7bit', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['force_7bit'] = array(
	'title' => html::label($field_id, Q(rcube_label('force7bit'))),
	'content' => $input_7bit->show($config['force_7bit']?1:0),
	);
	}

	if (!isset($no_override['mdn_default'])) {
	$field_id = 'rcmfd_mdn_default';
	$input_mdn = new html_checkbox(array('name' => '_mdn_default', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['mdn_default'] = array(
	'title' => html::label($field_id, Q(rcube_label('reqmdn'))),
	'content' => $input_mdn->show($config['mdn_default']?1:0),
	);
	}

	if (!isset($no_override['dsn_default'])) {
	$field_id = 'rcmfd_dsn_default';
	$input_dsn = new html_checkbox(array('name' => '_dsn_default', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['dsn_default'] = array(
	'title' => html::label($field_id, Q(rcube_label('reqdsn'))),
	'content' => $input_dsn->show($config['dsn_default']?1:0),
	);
	}

	if (!isset($no_override['reply_same_folder'])) {
	$field_id = 'rcmfd_reply_same_folder';
	$input_reply_same_folder = new html_checkbox(array('name' => '_reply_same_folder', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['reply_same_folder'] = array(
	'title' => html::label($field_id, Q(rcube_label('replysamefolder'))),
	'content' => $input_reply_same_folder->show($config['reply_same_folder']?1:0),
	);
	}

	if (!isset($no_override['reply_mode'])) {
	$field_id = 'rcmfd_reply_mode';
	$select_replymode = new html_select(array('name' => '_reply_mode', 'id' => $field_id,
	'onchange' => "\$('#rcmfd_sig_above').attr('disabled',this.selectedIndex<2)"));
	$select_replymode->add(rcube_label('replyempty'), -1);
	$select_replymode->add(rcube_label('replybottomposting'), 0);
	$select_replymode->add(rcube_label('replytopposting'), 1);

	$blocks['main']['options']['reply_mode'] = array(
	'title' => html::label($field_id, Q(rcube_label('whenreplying'))),
	'content' => $select_replymode->show(intval($config['reply_mode'])),
	);
	}

	if (!isset($no_override['spellcheck_before_send']) && $config['enable_spellcheck']) {
	$field_id = 'rcmfd_spellcheck_before_send';
	$input_spellcheck = new html_checkbox(array('name' => '_spellcheck_before_send', 'id' => $field_id, 'value' => 1));

	$blocks['spellcheck']['options']['spellcheck_before_send'] = array(
	'title' => html::label($field_id, Q(rcube_label('spellcheckbeforesend'))),
	'content' => $input_spellcheck->show($config['spellcheck_before_send']?1:0),
	);
	}

	if ($config['enable_spellcheck']) {
	foreach (array('syms', 'nums', 'caps') as $key) {
	$key = 'spellcheck_ignore_'.$key;
	if (!isset($no_override[$key])) {
	$input_spellcheck = new html_checkbox(array('name' => '_'.$key, 'id' => 'rcmfd_'.$key, 'value' => 1));

	$blocks['spellcheck']['options'][$key] = array(
	'title' => html::label($field_id, Q(rcube_label(str_replace('_', '', $key)))),
	'content' => $input_spellcheck->show($config[$key]?1:0),
	);
	}
	}
	}

	if (!isset($no_override['show_sig'])) {
	$field_id = 'rcmfd_show_sig';
	$select_show_sig = new html_select(array('name' => '_show_sig', 'id' => $field_id));
	$select_show_sig->add(rcube_label('never'), 0);
	$select_show_sig->add(rcube_label('always'), 1);
	$select_show_sig->add(rcube_label('newmessageonly'), 2);
	$select_show_sig->add(rcube_label('replyandforwardonly'), 3);

	$blocks['sig']['options']['show_sig'] = array(
	'title' => html::label($field_id, Q(rcube_label('autoaddsignature'))),
	'content' => $select_show_sig->show($RCMAIL->config->get('show_sig', 1)),
	);
	}

	if (!isset($no_override['sig_above'])) {
	$field_id = 'rcmfd_sig_above';
	$select_sigabove = new html_select(array('name' => '_sig_above', 'id' => $field_id, 'disabled' => $config['reply_mode'] < 1));
	$select_sigabove->add(rcube_label('belowquote'), 0);
	$select_sigabove->add(rcube_label('abovequote'), 1);

	$blocks['sig']['options']['sig_above'] = array(
	'title' => html::label($field_id, Q(rcube_label('replysignaturepos'))),
	'content' => $select_sigabove->show($config['sig_above']?1:0),
	);
	}

	if (!isset($no_override['strip_existing_sig'])) {
	$field_id = 'rcmfd_strip_existing_sig';
	$input_stripexistingsig = new html_checkbox(array('name' => '_strip_existing_sig', 'id' => $field_id, 'value' => 1));

	$blocks['sig']['options']['strip_existing_sig'] = array(
	'title' => html::label($field_id, Q(rcube_label('replyremovesignature'))),
	'content' => $input_stripexistingsig->show($config['strip_existing_sig']?1:0),
	);
	}

	if (!isset($no_override['forward_attachment'])) {
	$field_id = 'rcmfd_forward_attachment';
	$select = new html_select(array('name' => '_forward_attachment', 'id' => $field_id));
	$select->add(rcube_label('inline'), 0);
	$select->add(rcube_label('asattachment'), 1);

	$blocks['main']['options']['forward_attachment'] = array(
	'title' => html::label($field_id, Q(rcube_label('forwardmode'))),
	'content' => $select->show(intval($config['forward_attachment'])),
	);
	}

	if (!isset($no_override['default_font'])) {
	$field_id = 'rcmfd_default_font';
	$fonts = rcube_fontdefs();
	$default_font = $config['default_font'] ? $config['default_font'] : 'Verdana';

	$select = '<select name="_default_font" id="'.$field_id.'">';
	foreach ($fonts as $fname => $font)
	$select .= '<option value="'.$fname.'"'
	. ($fname == $default_font ? ' selected="selected"' : '')
	. ' style=\'font-family: ' . $font . '\'>'
	. Q($fname) . '</option>';
	$select .= '</select>';

	$blocks['main']['options']['default_font'] = array(
	'title' => html::label($field_id, Q(rcube_label('defaultfont'))),
	'content' => $select
	);
	}

	break;


	// Addressbook config
	case 'addressbook':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	);

	if (!isset($no_override['default_addressbook'])
	&& ($books = $RCMAIL->get_address_sources(true))
	) {
	$field_id = 'rcmfd_default_addressbook';
	$select_abook = new html_select(array('name' => '_default_addressbook', 'id' => $field_id));

	foreach ($books as $book) {
	$select_abook->add(html_entity_decode($book['name'], ENT_COMPAT, 'UTF-8'), $book['id']);
	}

	$blocks['main']['options']['default_addressbook'] = array(
	'title' => html::label($field_id, Q(rcube_label('defaultaddressbook'))),
	'content' => $select_abook->show($config['default_addressbook']),
	);
	}

	// show addressbook listing mode selection
	if (!isset($no_override['addressbook_name_listing'])) {
	$field_id = 'rcmfd_addressbook_name_listing';
	$select_listing = new html_select(array('name' => '_addressbook_name_listing', 'id' => $field_id));
	$select_listing->add(rcube_label('name'), 0);
	$select_listing->add(rcube_label('firstname') . ' ' . rcube_label('surname'), 1);
	$select_listing->add(rcube_label('surname') . ' ' . rcube_label('firstname'), 2);
	$select_listing->add(rcube_label('surname') . ', ' . rcube_label('firstname'), 3);

	$blocks['main']['options']['list_name_listing'] = array(
	'title' => html::label($field_id, Q(rcube_label('listnamedisplay'))),
	'content' => $select_listing->show($config['addressbook_name_listing']),
	);
	}

	// show addressbook sort column
	if (!isset($no_override['addressbook_sort_col'])) {
	$field_id = 'rcmfd_addressbook_sort_col';
	$select_sort = new html_select(array('name' => '_addressbook_sort_col', 'id' => $field_id));
	$select_sort->add(rcube_label('name'), 'name');
	$select_sort->add(rcube_label('firstname'), 'firstname');
	$select_sort->add(rcube_label('surname'), 'surname');

	$blocks['main']['options']['sort_col'] = array(
	'title' => html::label($field_id, Q(rcube_label('listsorting'))),
	'content' => $select_sort->show($config['addressbook_sort_col']),
	);
	}

	// show addressbook page size selection
	if (!isset($no_override['addressbook_pagesize'])) {
	$field_id = 'rcmfd_addressbook_pagesize';
	$input_pagesize = new html_inputfield(array('name' => '_addressbook_pagesize', 'id' => $field_id, 'size' => 5));

	$size = intval($config['addressbook_pagesize'] ? $config['addressbook_pagesize'] : $config['pagesize']);

	$blocks['main']['options']['pagesize'] = array(
	'title' => html::label($field_id, Q(rcube_label('pagesize'))),
	'content' => $input_pagesize->show($size ? $size : 50),
	);
	}

	if (!isset($no_override['autocomplete_single'])) {
	$field_id = 'rcmfd_autocomplete_single';
	$checkbox = new html_checkbox(array('name' => '_autocomplete_single', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['autocomplete_single'] = array(
	'title' => html::label($field_id, Q(rcube_label('autocompletesingle'))),
	'content' => $checkbox->show($config['autocomplete_single']?1:0),
	);
	}

	break;

	// Special IMAP folders
	case 'folders':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	);

	// Configure special folders
	if (!isset($no_override['default_folders'])) {
	// load folders list only when needed
	if ($current) {
	$select = rcmail_mailbox_select(array(
	'noselection' => '---',
	'realnames' => true,
	'maxlength' => 30,
	'folder_filter' => 'mail',
	'folder_rights' => 'w',
	// #1486114, #1488279
	'onchange' => "if ($(this).val() == 'INBOX') $(this).val('')",
	));
	}
	else // dummy select
	$select = new html_select();

	if (!isset($no_override['drafts_mbox']))
	$blocks['main']['options']['drafts_mbox'] = array(
	'title' => Q(rcube_label('drafts')),
	'content' => $select->show($config['drafts_mbox'], array('name' => "_drafts_mbox")),
	);

	if (!isset($no_override['sent_mbox']))
	$blocks['main']['options']['sent_mbox'] = array(
	'title' => Q(rcube_label('sent')),
	'content' => $select->show($config['sent_mbox'], array('name' => "_sent_mbox")),
	);

	if (!isset($no_override['junk_mbox']))
	$blocks['main']['options']['junk_mbox'] = array(
	'title' => Q(rcube_label('junk')),
	'content' => $select->show($config['junk_mbox'], array('name' => "_junk_mbox")),
	);

	if (!isset($no_override['trash_mbox']))
	$blocks['main']['options']['trash_mbox'] = array(
	'title' => Q(rcube_label('trash')),
	'content' => $select->show($config['trash_mbox'], array('name' => "_trash_mbox")),
	);
	}

	break;

	// Server settings
	case 'server':

	$blocks = array(
	'main' => array('name' => Q(rcube_label('mainoptions'))),
	'maintenance' => array('name' => Q(rcube_label('maintenance'))),
	);

	if (!isset($no_override['read_when_deleted'])) {
	$field_id = 'rcmfd_read_deleted';
	$input_readdeleted = new html_checkbox(array('name' => '_read_when_deleted', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['read_when_deleted'] = array(
	'title' => html::label($field_id, Q(rcube_label('readwhendeleted'))),
	'content' => $input_readdeleted->show($config['read_when_deleted']?1:0),
	);
	}

	if (!isset($no_override['flag_for_deletion'])) {
	$field_id = 'rcmfd_flag_for_deletion';
	$input_flagfordeletion = new html_checkbox(array('name' => '_flag_for_deletion', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['flag_for_deletion'] = array(
	'title' => html::label($field_id, Q(rcube_label('flagfordeletion'))),
	'content' => $input_flagfordeletion->show($config['flag_for_deletion']?1:0),
	);
	}

	// don't show deleted messages
	if (!isset($no_override['skip_deleted'])) {
	$field_id = 'rcmfd_skip_deleted';
	$input_purge = new html_checkbox(array('name' => '_skip_deleted', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['skip_deleted'] = array(
	'title' => html::label($field_id, Q(rcube_label('skipdeleted'))),
	'content' => $input_purge->show($config['skip_deleted']?1:0),
	);
	}

	if (!isset($no_override['delete_always'])) {
	$field_id = 'rcmfd_delete_always';
	$input_delete_always = new html_checkbox(array('name' => '_delete_always', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['delete_always'] = array(
	'title' => html::label($field_id, Q(rcube_label('deletealways'))),
	'content' => $input_delete_always->show($config['delete_always']?1:0),
	);
	}

	if (!isset($no_override['delete_junk'])) {
	$field_id = 'rcmfd_delete_junk';
	$input_delete_junk = new html_checkbox(array('name' => '_delete_junk', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['delete_junk'] = array(
	'title' => html::label($field_id, Q(rcube_label('deletejunk'))),
	'content' => $input_delete_junk->show($config['delete_junk']?1:0),
	);
	}

	// Trash purging on logout
	if (!isset($no_override['logout_purge'])) {
	$field_id = 'rcmfd_logout_purge';
	$input_purge = new html_checkbox(array('name' => '_logout_purge', 'id' => $field_id, 'value' => 1));

	$blocks['maintenance']['options']['logout_purge'] = array(
	'title' => html::label($field_id, Q(rcube_label('logoutclear'))),
	'content' => $input_purge->show($config['logout_purge']?1:0),
	);
	}

	// INBOX compacting on logout
	if (!isset($no_override['logout_expunge'])) {
	$field_id = 'rcmfd_logout_expunge';
	$input_expunge = new html_checkbox(array('name' => '_logout_expunge', 'id' => $field_id, 'value' => 1));

	$blocks['maintenance']['options']['logout_expunge'] = array(
	'title' => html::label($field_id, Q(rcube_label('logoutcompact'))),
	'content' => $input_expunge->show($config['logout_expunge']?1:0),
	);
	}

	break;
	}

	$data = $RCMAIL->plugins->exec_hook('preferences_list', array('section' => $sect['id'], 'blocks' => $blocks));
	$found = false;

	// create output
	foreach ($data['blocks'] as $block) {
	if (!empty($block['content']) \|\| !empty($block['options'])) {
	$found = true;
	break;
	}
	}

	if (!$found)
	unset($sections[$idx]);
	else
	$sections[$idx]['blocks'] = $data['blocks'];
	}

	return array($sections, $plugin['cols']);
	}


	function rcmail_get_skins()
	{
	$path = 'skins';
	$skins = array();

	$dir = opendir($path);

	if (!$dir)
	return false;

	while (($file = readdir($dir)) !== false)
	{
	$filename = $path.'/'.$file;
	if (!preg_match('/^\./', $file) && is_dir($filename) && is_readable($filename))
	$skins[] = $file;
	}

	closedir($dir);

	return $skins;
	}


	function rcmail_folder_options($mailbox)
	{
	global $RCMAIL;

	$options = $RCMAIL->get_storage()->folder_info($mailbox);
	$options['protected'] = $options['is_root'] \|\| ($options['special'] && $RCMAIL->config->get('protect_default_folders'));

	return $options;
	}

	/**
	* Updates (or creates) folder row in the subscriptions table
	*
	* @param string $name Folder name
	* @param string $oldname Old folder name (for update)
	* @param bool $subscribe Checks subscription checkbox
	* @param string $class CSS class name for folder row
	*/
	function rcmail_update_folder_row($name, $oldname=null, $subscribe=false, $class_name=null)
	{
	global $RCMAIL, $OUTPUT;

	$default_folders = (array) $RCMAIL->config->get('default_folders');
	$protect_folders = $RCMAIL->config->get('protect_default_folders');

	$storage = $RCMAIL->get_storage();
	$delimiter = $storage->get_hierarchy_delimiter();
	$name_utf8 = rcube_charset_convert($name, 'UTF7-IMAP');
	$protected = $protect_folders && in_array($name, $default_folders);

	$foldersplit = explode($delimiter, $storage->mod_folder($name));
	$level = count($foldersplit) - 1;
	$display_name = str_repeat('    ', $level)
	. Q($protected ? rcmail_localize_foldername($name) : rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP'));

	if ($oldname === null)
	$OUTPUT->command('add_folder_row', $name_utf8, $display_name, $protected, $subscribe,
	false, $class_name);
	else
	$OUTPUT->command('replace_folder_row', rcube_charset_convert($oldname, 'UTF7-IMAP'),
	$name_utf8, $display_name, $protected, $class_name);
	}


	// register UI objects
	$OUTPUT->add_handlers(array(
	'prefsframe' => 'rcmail_preferences_frame',
	'sectionslist' => 'rcmail_sections_list',
	'identitieslist' => 'rcmail_identities_list',
	));

	// register action aliases
	$RCMAIL->register_action_map(array(
	'folders' => 'folders.inc',
	'rename-folder' => 'folders.inc',
	'delete-folder' => 'folders.inc',
	'subscribe' => 'folders.inc',
	'unsubscribe' => 'folders.inc',
	'purge' => 'folders.inc',
	'folder-size' => 'folders.inc',
	'add-identity' => 'edit_identity.inc',
	));
	diff --git a/program/steps/settings/save_prefs.inc b/program/steps/settings/save_prefs.inc
	index 2f22be7c4..5daab0d24 100644
	--- a/program/steps/settings/save_prefs.inc
	+++ b/program/steps/settings/save_prefs.inc
	@@ -1,220 +1,220 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/settings/save_prefs.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2009, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Save user preferences to DB and to the current session \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	$CURR_SECTION = get_input_value('_section', RCUBE_INPUT_POST);

	$a_user_prefs = array();

	// set options for specified section
	switch ($CURR_SECTION)
	{
	case 'general':
	$a_user_prefs = array(
	'language' => isset($_POST['_language']) ? get_input_value('_language', RCUBE_INPUT_POST) : $CONFIG['language'],
	'timezone' => isset($_POST['_timezone']) ? get_input_value('_timezone', RCUBE_INPUT_POST) : $CONFIG['timezone'],
	'date_format' => isset($_POST['_date_format']) ? get_input_value('_date_format', RCUBE_INPUT_POST) : $CONFIG['date_format'],
	'time_format' => isset($_POST['_time_format']) ? get_input_value('_time_format', RCUBE_INPUT_POST) : ($CONFIG['time_format'] ? $CONFIG['time_format'] : 'H:i'),
	'prettydate' => isset($_POST['_pretty_date']) ? TRUE : FALSE,
	- 'keep_alive' => isset($_POST['_keep_alive']) ? intval($_POST['_keep_alive'])*60 : $CONFIG['keep_alive'],
	+ 'refresh_interval' => isset($_POST['_refresh_interval']) ? intval($_POST['_refresh_interval'])*60 : $CONFIG['refresh_interval'],
	'skin' => isset($_POST['_skin']) ? get_input_value('_skin', RCUBE_INPUT_POST) : $CONFIG['skin'],
	);

	// compose derived date/time format strings
	if ((isset($_POST['_date_format']) \|\| isset($_POST['_time_format'])) && $a_user_prefs['date_format'] && $a_user_prefs['time_format']) {
	$a_user_prefs['date_short'] = 'D ' . $a_user_prefs['time_format'];
	$a_user_prefs['date_long'] = $a_user_prefs['date_format'] . ' ' . $a_user_prefs['time_format'];
	}

	break;

	case 'mailbox':
	$a_user_prefs = array(
	'preview_pane' => isset($_POST['_preview_pane']) ? TRUE : FALSE,
	'preview_pane_mark_read' => isset($_POST['_preview_pane_mark_read']) ? intval($_POST['_preview_pane_mark_read']) : $CONFIG['preview_pane_mark_read'],
	'autoexpand_threads' => isset($_POST['_autoexpand_threads']) ? intval($_POST['_autoexpand_threads']) : 0,
	'mdn_requests' => isset($_POST['_mdn_requests']) ? intval($_POST['_mdn_requests']) : 0,
	'check_all_folders' => isset($_POST['_check_all_folders']) ? TRUE : FALSE,
	'mail_pagesize' => is_numeric($_POST['_mail_pagesize']) ? max(2, intval($_POST['_mail_pagesize'])) : $CONFIG['mail_pagesize'],
	);

	break;

	case 'mailview':
	$a_user_prefs = array(
	'message_extwin' => intval($_POST['_message_extwin']),
	'prefer_html' => isset($_POST['_prefer_html']) ? TRUE : FALSE,
	'inline_images' => isset($_POST['_inline_images']) ? TRUE : FALSE,
	'show_images' => isset($_POST['_show_images']) ? intval($_POST['_show_images']) : 0,
	'display_next' => isset($_POST['_display_next']) ? TRUE : FALSE,
	'default_charset' => get_input_value('_default_charset', RCUBE_INPUT_POST),
	);

	break;

	case 'compose':
	$a_user_prefs = array(
	'compose_extwin' => intval($_POST['_compose_extwin']),
	'htmleditor' => intval($_POST['_htmleditor']),
	'draft_autosave' => isset($_POST['_draft_autosave']) ? intval($_POST['_draft_autosave']) : 0,
	'mime_param_folding' => isset($_POST['_mime_param_folding']) ? intval($_POST['_mime_param_folding']) : 0,
	'force_7bit' => isset($_POST['_force_7bit']) ? TRUE : FALSE,
	'mdn_default' => isset($_POST['_mdn_default']) ? TRUE : FALSE,
	'dsn_default' => isset($_POST['_dsn_default']) ? TRUE : FALSE,
	'reply_same_folder' => isset($_POST['_reply_same_folder']) ? TRUE : FALSE,
	'spellcheck_before_send' => isset($_POST['_spellcheck_before_send']) ? TRUE : FALSE,
	'spellcheck_ignore_syms' => isset($_POST['_spellcheck_ignore_syms']) ? TRUE : FALSE,
	'spellcheck_ignore_nums' => isset($_POST['_spellcheck_ignore_nums']) ? TRUE : FALSE,
	'spellcheck_ignore_caps' => isset($_POST['_spellcheck_ignore_caps']) ? TRUE : FALSE,
	'show_sig' => isset($_POST['_show_sig']) ? intval($_POST['_show_sig']) : 1,
	'reply_mode' => isset($_POST['_reply_mode']) ? intval($_POST['_reply_mode']) : 0,
	'strip_existing_sig' => isset($_POST['_strip_existing_sig']),
	'sig_above' => !empty($_POST['_sig_above']) && $_POST['_reply_mode'] > 0,
	'default_font' => get_input_value('_default_font', RCUBE_INPUT_POST),
	'forward_attachment' => !empty($_POST['_forward_attachment']),
	);

	break;

	case 'addressbook':
	$a_user_prefs = array(
	'default_addressbook' => get_input_value('_default_addressbook', RCUBE_INPUT_POST, true),
	'autocomplete_single' => isset($_POST['_autocomplete_single']) ? TRUE : FALSE,
	'addressbook_sort_col' => get_input_value('_addressbook_sort_col', RCUBE_INPUT_POST),
	'addressbook_name_listing' => intval(get_input_value('_addressbook_name_listing', RCUBE_INPUT_POST)),
	'addressbook_pagesize' => is_numeric($_POST['_addressbook_pagesize']) ? max(2, intval($_POST['_addressbook_pagesize'])) : $CONFIG['addressbook_pagesize'],
	);

	break;

	case 'server':
	$a_user_prefs = array(
	'read_when_deleted' => isset($_POST['_read_when_deleted']) ? TRUE : FALSE,
	'skip_deleted' => isset($_POST['_skip_deleted']) ? TRUE : FALSE,
	'flag_for_deletion' => isset($_POST['_flag_for_deletion']) ? TRUE : FALSE,
	'delete_always' => isset($_POST['_delete_always']) ? TRUE : FALSE,
	'delete_junk' => isset($_POST['_delete_junk']) ? TRUE : FALSE,
	'logout_purge' => isset($_POST['_logout_purge']) ? TRUE : FALSE,
	'logout_expunge' => isset($_POST['_logout_expunge']) ? TRUE : FALSE,
	);

	break;

	case 'folders':
	$a_user_prefs = array(
	'drafts_mbox' => get_input_value('_drafts_mbox', RCUBE_INPUT_POST, true),
	'sent_mbox' => get_input_value('_sent_mbox', RCUBE_INPUT_POST, true),
	'junk_mbox' => get_input_value('_junk_mbox', RCUBE_INPUT_POST, true),
	'trash_mbox' => get_input_value('_trash_mbox', RCUBE_INPUT_POST, true),
	);

	break;
	}

	$plugin = rcmail::get_instance()->plugins->exec_hook('preferences_save',
	array('prefs' => $a_user_prefs, 'section' => $CURR_SECTION));

	$a_user_prefs = $plugin['prefs'];

	// don't override these parameters
	foreach ((array)$CONFIG['dont_override'] as $p)
	$a_user_prefs[$p] = $CONFIG[$p];


	// verify some options
	switch ($CURR_SECTION)
	{
	case 'general':

	// switch UI language
	if (isset($_POST['_language']) && $a_user_prefs['language'] != $_SESSION['language']) {
	$RCMAIL->load_language($a_user_prefs['language']);
	$OUTPUT->command('reload', 500);
	}

	// switch skin (if valid, otherwise unset the pref and fall back to default)
	if (!$OUTPUT->set_skin($a_user_prefs['skin']))
	unset($a_user_prefs['skin']);
	else if ($RCMAIL->config->get('skin') != $a_user_prefs['skin'])
	$OUTPUT->command('reload', 500);

	$a_user_prefs['timezone'] = (string) $a_user_prefs['timezone'];

	- if (isset($a_user_prefs['keep_alive']) && !empty($CONFIG['min_keep_alive'])) {
	- if ($a_user_prefs['keep_alive'] > $CONFIG['min_keep_alive']) {
	- $a_user_prefs['keep_alive'] = $CONFIG['min_keep_alive'];
	+ if (isset($a_user_prefs['refresh_interval']) && !empty($CONFIG['min_refresh_interval'])) {
	+ if ($a_user_prefs['refresh_interval'] > $CONFIG['min_refresh_interval']) {
	+ $a_user_prefs['refresh_interval'] = $CONFIG['min_refresh_interval'];
	}
	}

	break;

	case 'mailbox':

	// force min size
	if ($a_user_prefs['mail_pagesize'] < 1)
	$a_user_prefs['mail_pagesize'] = 10;

	if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['mail_pagesize'] > $CONFIG['max_pagesize']))
	$a_user_prefs['mail_pagesize'] = (int) $CONFIG['max_pagesize'];

	break;

	case 'addressbook':

	// force min size
	if ($a_user_prefs['addressbook_pagesize'] < 1)
	$a_user_prefs['addressbook_pagesize'] = 10;

	if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['addressbook_pagesize'] > $CONFIG['max_pagesize']))
	$a_user_prefs['addressbook_pagesize'] = (int) $CONFIG['max_pagesize'];

	break;

	case 'folders':

	// special handling for 'default_folders'
	if (in_array('default_folders', (array)$CONFIG['dont_override'])) {
	foreach (array('drafts_mbox','sent_mbox','junk_mbox','trash_mbox') as $p)
	$a_user_prefs[$p] = $CONFIG[$p];
	} else {
	$a_user_prefs['default_folders'] = array('INBOX');
	foreach (array('drafts_mbox','sent_mbox','junk_mbox','trash_mbox') as $p) {
	if ($a_user_prefs[$p])
	$a_user_prefs['default_folders'][] = $a_user_prefs[$p];
	}
	}

	break;
	}

	// Save preferences
	if (!$plugin['abort'])
	$saved = $RCMAIL->user->save_prefs($a_user_prefs);
	else
	$saved = $plugin['result'];

	if ($saved)
	$OUTPUT->show_message('successfullysaved', 'confirmation');
	else
	$OUTPUT->show_message($plugin['message'] ? $plugin['message'] : 'errorsaving', 'error');

	// display the form again
	rcmail_overwrite_action('edit-prefs');

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