No OneTemporary
Actions

Size

157 KB

Referenced Files

None

Subscribers

None

View Options

	diff --git a/program/js/app.js b/program/js/app.js
	index ae85c254d..e73dec690 100644
	--- a/program/js/app.js
	+++ b/program/js/app.js
	@@ -1,4976 +1,4973 @@
	/*
	+-----------------------------------------------------------------------+
	\| RoundCube Webmail Client Script \|
	\| \|
	\| This file is part of the RoundCube Webmail client \|
	\| Copyright (C) 2005-2010, RoundCube Dev, - Switzerland \|
	\| Licensed under the GNU GPL \|
	\| \|
	+-----------------------------------------------------------------------+
	\| 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 \|
	+-----------------------------------------------------------------------+

	$Id$
	*/


	function rcube_webmail()
	{
	this.env = new Object();
	this.labels = new Object();
	this.buttons = new Object();
	this.buttons_sel = new Object();
	this.gui_objects = new Object();
	this.gui_containers = new Object();
	this.commands = new Object();
	this.command_handlers = new Object();
	this.onloads = new Array();

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

	// webmail client settings
	this.dblclick_time = 500;
	this.message_time = 3000;

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

	// mimetypes supported by the browser (default settings)
	this.mimetypes = new Array('text/plain', 'text/html', 'text/xml',
	'image/jpeg', 'image/gif', 'image/png',
	'application/x-javascript', 'application/pdf',
	'application/x-shockwave-flash');

	// 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.bin_path = './bin/';
	this.env.blankpage = 'program/blank.gif';

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

	// 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(key, value)
	{
	this.labels[key] = value;
	};

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

	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][this.buttons[command].length] = button_prop;
	};

	// register a specific gui object
	this.gui_object = function(name, id)
	{
	this.gui_objects[name] = 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[this.onloads.length] = f;
	};

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

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

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

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

	// init registered buttons
	this.init_buttons();

	// tell parent window that this frame is loaded
	if (this.env.framed && parent.rcmail && parent.rcmail.set_busy)
	parent.rcmail.set_busy(false);

	// enable general commands
	this.enable_command('logout', 'mail', 'addressbook', 'settings', true);

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

	switch (this.task)
	{
	case 'mail':
	// enable mail commands
	this.enable_command('list', 'checkmail', 'compose', '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, 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('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); });
	document.onmouseup = function(e){ return p.doc_mouse_up(e); };

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

	if (this.gui_objects.mailcontframe)
	this.gui_objects.mailcontframe.onmousedown = function(e){ return p.click_on_list(e); };
	else
	this.message_list.focus();

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

	if (this.env.search_text != null && document.getElementById('quicksearchbox') != null)
	document.getElementById('quicksearchbox').value = this.env.search_text;

	if (this.env.action=='show' \|\| this.env.action=='preview')
	{
	this.enable_command('show', 'reply', 'reply-all', 'forward', 'moveto', 'copy', 'delete',
	'open', 'mark', 'edit', 'viewsource', 'download', 'print', 'load-attachment', 'load-headers', true);

	if (this.env.next_uid)
	{
	this.enable_command('nextmessage', true);
	this.enable_command('lastmessage', true);
	}
	if (this.env.prev_uid)
	{
	this.enable_command('previousmessage', true);
	this.enable_command('firstmessage', true);
	}

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

	if (this.env.trash_mailbox && this.env.mailbox != this.env.trash_mailbox)
	this.set_alttext('delete', 'movemessagetotrash');

	// make preview/message frame visible
	if (this.env.action == 'preview' && this.env.framed && parent.rcmail)
	{
	this.enable_command('compose', 'add-contact', false);
	parent.rcmail.show_contentframe(true);
	}

	if (this.env.action=='compose')
	{
	this.enable_command('add-attachment', 'send-attachment', 'remove-attachment', 'send', true);
	if (this.env.spellcheck)
	{
	this.env.spellcheck.spelling_state_observer = function(s){ ref.set_spellcheck_state(s); };
	this.set_spellcheck_state('ready');
	if ($("input[name='_is_html']").val() == '1')
	this.display_spellcheck_controls(false);
	}
	if (this.env.drafts_mailbox)
	this.enable_command('savedraft', true);

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

	// init message compose form
	this.init_messageform();
	}

	if (this.env.messagecount) {
	this.enable_command('select-all', 'select-none', 'expunge', true);
	this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading);
	}

	if (this.purge_mailbox_test())
	this.enable_command('purge', true);

	this.set_page_buttons();

	// show printing dialog
	if (this.env.action=='print')
	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', '');
	}

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

	break;


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

	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);

	if (this.gui_objects.contactslist.parentNode)
	{
	this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
	document.onmouseup = function(e){ return p.doc_mouse_up(e); };
	}
	else
	this.contact_list.focus();

	//this.gui_objects.folderlist = this.gui_objects.contactslist;
	}

	this.set_page_buttons();

	if (this.env.address_sources && this.env.address_sources[this.env.source] && !this.env.address_sources[this.env.source].readonly) {
	this.enable_command('add', 'import', true);
	this.enable_command('add-group', this.env.address_sources[this.env.source].groups);
	}

	if (this.env.cid)
	this.enable_command('show', 'edit', true);

	if ((this.env.action=='add' \|\| this.env.action=='edit') && this.gui_objects.editform)
	this.enable_command('save', true);
	else
	this.enable_command('search', 'reset-search', 'moveto', true);

	if (this.contact_list && this.contact_list.rowcount > 0)
	this.enable_command('export', true);

	this.enable_command('list', 'listgroup', 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('add', this.env.identities_level < 2);
	this.enable_command('save', 'delete', 'edit', true);
	}
	else if (this.env.action=='folders')
	this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', 'delete-folder', 'enable-threading', 'disable-threading', true);

	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
	$('#rcmlogintz').val(new Date().getTimezoneOffset() / -60);

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

	default:
	break;
	}

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

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

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

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

	// execute all foreign onload scripts
	// @deprecated
	for (var i=0; i<this.onloads.length; i++)
	{
	if (typeof(this.onloads[i]) == 'string')
	eval(this.onloads[i]);
	else if (typeof(this.onloads[i]) == 'function')
	this.onloads[i]();
	}

	// start keep-alive interval
	this.start_keepalive();
	};


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

	// execute a specific command on the web client
	this.command = function(command, props, obj)
	{
	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.env.framed && parent.rcmail && parent.rcmail.command)
	parent.rcmail.command(command, props);

	return false;
	}

	// check input before leaving compose step
	if (this.task=='mail' && this.env.action=='compose' && (command=='list' \|\| command=='mail' \|\| command=='addressbook' \|\| command=='settings'))
	{
	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')
	{
	var ret = this.command_handlers[command](props, obj);
	return ret !== null ? ret : (obj ? false : true);
	}
	else if (typeof this.command_handlers[command] == 'string')
	{
	var ret = window[this.command_handlers[command]](props, obj);
	return ret !== null ? ret : (obj ? false : true);
	}

	// trigger plugin hook
	var event_ret = this.triggerEvent('before'+command, props);
	if (typeof event_ret != 'undefined') {
	// abort if one the handlers returned false
	if (event_ret === false)
	return false;
	else
	props = event_ret;
	}

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

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

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

	// misc list commands
	case 'list':
	if (this.task=='mail')
	{
	if (this.env.search_request<0 \|\| (props != '' && (this.env.search_request && props != this.env.mailbox)))
	this.reset_qsearch();

	this.list_mailbox(props);

	if (this.env.trash_mailbox)
	this.set_alttext('delete', this.env.mailbox != this.env.trash_mailbox ? 'movemessagetotrash' : 'deletemessage');
	}
	else if (this.task=='addressbook')
	{
	if (this.env.search_request<0 \|\| (this.env.search_request && props != this.env.source))
	this.reset_qsearch();

	this.list_contacts(props);
	this.enable_command('add', 'import', (this.env.address_sources && !this.env.address_sources[props].readonly));
	}
	break;


	case 'listgroup':
	this.list_contacts(null, props);
	break;


	case 'load-headers':
	this.load_headers(obj);
	break;


	case 'sort':
	var sort_order, sort_col = props;

	if (this.env.sort_col==sort_col)
	sort_order = this.env.sort_order=='ASC' ? 'DESC' : 'ASC';
	else
	sort_order = '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')
	{
	var uid = this.get_single_uid();
	if (uid && (!this.env.uid \|\| uid != this.env.uid))
	{
	if (this.env.mailbox == this.env.drafts_mailbox)
	this.goto_url('compose', '_draft_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
	else
	this.show_message(uid);
	}
	}
	else if (this.task=='addressbook')
	{
	var 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':
	var cid;
	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())) {
	var url = (this.env.mailbox == this.env.drafts_mailbox) ? '_draft_uid=' : '_uid=';
	this.goto_url('compose', url+cid+'&_mbox='+urlencode(this.env.mailbox), true);
	}
	break;

	case 'save-identity':
	case 'save':
	if (this.gui_objects.editform)
	{
	var input_pagesize = $("input[name='_pagesize']");
	var input_name = $("input[name='_name']");
	var input_email = $("input[name='_email']");

	// user prefs
	if (input_pagesize.length && isNaN(parseInt(input_pagesize.val())))
	{
	alert(this.get_label('nopagesizewarning'));
	input_pagesize.focus();
	break;
	}
	// contacts/identities
	else
	{
	if (input_name.length && input_name.val() == '')
	{
	alert(this.get_label('nonamewarning'));
	input_name.focus();
	break;
	}
	else if (input_email.length && !rcube_check_email(input_email.val()))
	{
	alert(this.get_label('noemailwarning'));
	input_email.focus();
	break;
	}
	}

	this.gui_objects.editform.submit();
	}
	break;

	case 'delete':
	// mail task
	if (this.task=='mail')
	this.delete_messages();
	// 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;

	var uid;
	var 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;

	var uid;
	var 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(urlencode(this.env.sender));
	window.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 && jQuery.inArray(props.mimetype, this.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)
	{
	window.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;
	if (props == 'invert')
	this.message_list.invert_selection();
	else
	this.message_list.select_all(props == 'page' ? '' : props);
	break;

	case 'select-none':
	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 'checkmail':
	this.check_for_recent(true);
	break;

	case 'compose':
	var url = this.env.comm_path+'&_action=compose';

	if (this.task=='mail')
	{
	url += '&_mbox='+urlencode(this.env.mailbox);

	if (this.env.mailbox==this.env.drafts_mailbox)
	{
	var uid;
	if (uid = this.get_single_uid())
	url += '&_draft_uid='+uid;
	}
	else if (props)
	url += '&_to='+urlencode(props);
	}
	// modify url if we're in addressbook
	else if (this.task=='addressbook')
	{
	// switch to mail compose step directly
	if (props && props.indexOf('@') > 0)
	{
	url = this.get_task_url('mail', url);
	this.redirect(url + '&_to='+urlencode(props));
	break;
	}

	// use contact_id passed as command parameter
	var a_cids = new Array();
	if (props)
	a_cids[a_cids.length] = props;
	// get selected contacts
	else if (this.contact_list)
	{
	var selection = this.contact_list.get_selection();
	for (var n=0; n<selection.length; n++)
	a_cids[a_cids.length] = selection[n];
	}

	if (a_cids.length)
	this.http_request('mailto', '_cid='+urlencode(a_cids.join(','))+'&_source='+urlencode(this.env.source), true);

	break;
	}

	// don't know if this is necessary...
	url = url.replace(/&_framed=1/, "");

	this.redirect(url);
	break;

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

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

	if (!this.gui_objects.messageform)
	break;

	// if saving Drafts is disabled in main.inc.php
	// or if compose form did not change
	if (!this.env.drafts_mailbox \|\| this.cmp_hash == this.compose_field_hash())
	break;

	this.set_busy(true, 'savingmessage');
	var form = this.gui_objects.messageform;
	form.target = "savetarget";
	form._draft.value = '1';
	form.submit();
	break;

	case 'send':
	if (!this.gui_objects.messageform)
	break;

	if (!this.check_compose_input())
	break;

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

	// all checks passed, send message
	this.set_busy(true, 'sendingmessage');
	var form = this.gui_objects.messageform;
	form.target = "savetarget";
	form._draft.value = '';
	form.submit();

	// clear timeout (sending could take longer)
	clearTimeout(this.request_timer);
	break;

	case 'add-attachment':
	this.show_attachment_form(true);

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

	this.upload_file(props)
	break;

	case 'remove-attachment':
	this.remove_attachment(props);
	break;

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

	case 'reply-all':
	case 'reply':
	var uid;
	if (uid = this.get_single_uid())
	this.goto_url('compose', '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+(command=='reply-all' ? '&_all=1' : ''), true);
	break;

	case 'forward':
	var uid;
	if (uid = this.get_single_uid())
	this.goto_url('compose', '_forward_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
	break;

	case 'print':
	var uid;
	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)
	{
	window.setTimeout(function(){ ref.printwin.focus(); }, 20);
	if (this.env.action != 'show')
	this.mark_message('read', uid);
	}
	}
	break;

	case 'viewsource':
	var uid;
	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)
	window.setTimeout(function(){ ref.sourcewin.focus(); }, 20);
	}
	break;

	case 'download':
	var uid;
	if (uid = this.get_single_uid())
	this.goto_url('viewsource', '&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+'&_save=1');
	break;

	case 'add-contact':
	this.add_contact(props);
	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 s = this.env.search_request;
	this.reset_qsearch();

	if (s && this.env.mailbox)
	this.list_mailbox(this.env.mailbox);
	else if (s && this.task == 'addressbook')
	this.list_contacts(this.env.source, this.env.group);
	break;

	case 'add-group':
	this.add_contact_group(props)
	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) {
	var add_url = (this.env.source ? '_source='+urlencode(this.env.source)+'&' : '');
	if (this.env.search_request)
	add_url += '_search='+this.env.search_request;

	this.goto_url('export', add_url);
	}
	break;

	// collapse/expand folder
	case 'collapse-folder':
	if (props)
	this.collapse_folder(props);
	break;

	// user settings commands
	case 'preferences':
	this.goto_url('');
	break;

	case 'identities':
	this.goto_url('identities');
	break;

	case 'delete-identity':
	this.delete_identity();

	case 'folders':
	this.goto_url('folders');
	break;

	case 'subscribe':
	this.subscribe_folder(props);
	break;

	case 'unsubscribe':
	this.unsubscribe_folder(props);
	break;

	case 'enable-threading':
	this.enable_threading(props);
	break;

	case 'disable-threading':
	this.disable_threading(props);
	break;

	case 'create-folder':
	this.create_folder(props);
	break;

	case 'rename-folder':
	this.rename_folder(props);
	break;

	case 'delete-folder':
	this.delete_folder(props);
	break;

	}

	this.triggerEvent('after'+command, props);

	return obj ? false : true;
	};

	// set command enabled or disabled
	this.enable_command = function()
	{
	var args = arguments;
	if(!args.length) return -1;

	var command;
	var enable = args[args.length-1];

	for(var n=0; n<args.length-1; n++)
	{
	command = args[n];
	this.commands[command] = enable;
	this.set_button(command, (enable ? 'act' : 'pas'));
	}
	return true;
	};

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

	this.display_message(msg, 'loading', true);
	}
	else if (!a)
	this.hide_message();

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

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

	// clear pending timer
	if (this.request_timer)
	clearTimeout(this.request_timer);

	// set timer for requests
	if (a && this.env.request_timeout)
	this.request_timer = window.setTimeout(function(){ ref.request_timed_out(); }, this.env.request_timeout * 1000);
	};

	// 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);
	};

	// called when a request timed out
	this.request_timed_out = function()
	{
	this.set_busy(false);
	this.display_message('Request timed out!', 'error');
	};

	this.reload = function(delay)
	{
	if (this.env.framed && parent.rcmail)
	parent.rcmail.reload(delay);
	else if (delay)
	window.setTimeout(function(){ rcmail.reload(); }, delay);
	else if (window.location)
	location.href = this.env.comm_path;
	};


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

	this.doc_mouse_up = function(e)
	{
	var model, list, li;

	if (this.message_list) {
	if (!rcube_mouse_is_over(e, this.message_list.list))
	this.message_list.blur();
	list = this.message_list;
	model = this.env.mailboxes;
	}
	else if (this.contact_list) {
	if (!rcube_mouse_is_over(e, this.contact_list.list))
	this.contact_list.blur();
	list = this.contact_list;
	model = this.env.contactfolders;
	}
	else if (this.ksearch_value) {
	this.ksearch_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 (var id in this.buttons_sel)
	if (typeof id != 'function')
	this.button_out(this.buttons_sel[id], id);
	this.buttons_sel = {};
	}
	};

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

	// 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 li, pos, list, 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 = new Array();
	for (var 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) {
	window.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) {
	// offsets to compensate for scrolling while dragging a message
	var boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop;
	var moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;
	var toffset = -moffset-boffset;

	var li, div, pos, mouse;
	mouse = rcube_event.get_mouse_pos(e);
	pos = this.env.folderlist_coords;
	mouse.y += toffset;

	// 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;
	}
	return;
	}

	// over the folders
	for (var 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
	&& 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)
	window.clearTimeout(this.folder_auto_timer);

	this.folder_auto_expand = k;
	this.folder_auto_timer = window.setTimeout(function() {
	rcmail.command("collapse-folder", rcmail.folder_auto_expand);
	rcmail.drag_start(null);
	}, 1000);
	} else if (this.folder_auto_timer) {
	window.clearTimeout(this.folder_auto_timer);
	this.folder_auto_timer = null;
	this.folder_auto_expand = null;
	}

	$(li).addClass('droptarget');
	this.env.last_folder_target = k;
	this.env.folder_coords[k].on = 1;
	}
	else if (pos.on) {
	$(this.get_folder_li(k)).removeClass('droptarget');
	this.env.folder_coords[k].on = 0;
	}
	}
	}
	};

	this.collapse_folder = function(id)
	{
	var div;
	if ((li = this.get_folder_li(id)) &&
	(div = $(li.getElementsByTagName("div")[0])) &&
	(div.hasClass('collapsed') \|\| div.hasClass('expanded')))
	{
	var ul = $(li.getElementsByTagName("ul")[0]);
	if (div.hasClass('collapsed'))
	{
	ul.show();
	div.removeClass('collapsed').addClass('expanded');
	var reg = new RegExp('&'+urlencode(id)+'&');
	this.set_env('collapsed_folders', this.env.collapsed_folders.replace(reg, ''));
	}
	else
	{
	ul.hide();
	div.removeClass('expanded').addClass('collapsed');
	this.set_env('collapsed_folders', this.env.collapsed_folders+'&'+urlencode(id)+'&');

	// select parent folder if one of its childs is currently selected
	if (this.env.mailbox.indexOf(id + this.env.delimiter) == 0)
	this.command('list', id);
	}

	// Work around a bug in IE6 and IE7, see #1485309
	if ((bw.ie6 \|\| bw.ie7) &&
	li.nextSibling &&
	(li.nextSibling.getElementsByTagName("ul").length>0) &&
	li.nextSibling.getElementsByTagName("ul")[0].style &&
	(li.nextSibling.getElementsByTagName("ul")[0].style.display!='none'))
	{
	li.nextSibling.getElementsByTagName("ul")[0].style.display = 'none';
	li.nextSibling.getElementsByTagName("ul")[0].style.display = '';
	}

	this.http_post('save-pref', '_name=collapsed_folders&_value='+urlencode(this.env.collapsed_folders));
	this.set_unread_count_display(id, false);
	}
	}

	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 rcube_event.get_button(e) == 2 ? true : rcube_event.cancel(e);
	};

	this.msglist_select = function(list)
	{
	if (this.preview_timer)
	clearTimeout(this.preview_timer);

	var selected = list.get_single_selection() != null;

	// Hide certain command buttons when Drafts folder is selected
	if (this.env.mailbox == this.env.drafts_mailbox)
	{
	this.enable_command('reply', 'reply-all', 'forward', false);
	this.enable_command('show', 'print', 'open', 'edit', 'download', 'viewsource', selected);
	this.enable_command('delete', 'moveto', 'copy', 'mark', (list.selection.length > 0 ? true : false));
	}
	else
	{
	this.enable_command('show', 'reply', 'reply-all', 'forward', 'print', 'edit', 'open', 'download', 'viewsource', selected);
	this.enable_command('delete', 'moveto', 'copy', 'mark', (list.selection.length > 0 ? true : false));
	}

	// start timer for message preview (wait for double click)
	if (selected && this.env.contentframe && !list.multi_selecting)
	this.preview_timer = window.setTimeout(function(){ ref.msglist_get_preview(); }, 200);
	else if (this.env.contentframe)
	this.show_contentframe(false);
	};

	this.msglist_dbl_click = function(list)
	{
	if (this.preview_timer)
	clearTimeout(this.preview_timer);

	var uid = list.get_single_selection();
	if (uid && this.env.mailbox == this.env.drafts_mailbox)
	this.goto_url('compose', '_draft_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
	else if (uid)
	this.show_message(uid, false, false);
	};

	this.msglist_keypress = function(list)
	{
	if (list.key_pressed == list.ENTER_KEY)
	this.command('show');
	else if (list.key_pressed == list.DELETE_KEY)
	this.command('delete');
	else if (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');
	else
	list.shiftkey = false;
	};

	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;
	};

	this.check_droptarget = function(id)
	{
	if (this.task == 'mail')
	return (this.env.mailboxes[id] && this.env.mailboxes[id].id != this.env.mailbox && !this.env.mailboxes[id].virtual);
	else if (this.task == 'addressbook')
	return (id != this.env.source && this.env.contactfolders[id] && !this.env.contactfolders[id].readonly &&
	!(!this.env.source && this.env.contactfolders[id].group) &&
	!(this.env.contactfolders[id].type == 'group' && this.env.contactfolders[id].id == this.env.group));
	else if (this.task == 'settings')
	return (id != this.env.folder);
	};


	/*********************************************************/
	/******* (message) list functionality *******/
	/*********************************************************/

	this.init_message_row = function(row)
	{
	var self = this;
	var uid = row.uid;

	if (uid && this.env.messages[uid])
	$.extend(row, this.env.messages[uid]);

	// set eventhandler to message icon
	if (this.env.subject_col != null && (row.icon = document.getElementById('msgicn'+row.uid))) {
	row.icon._row = row.obj;
	row.icon.onmousedown = function(e) { self.command('toggle_status', this); };
	}

	// set eventhandler to flag icon, if icon found
	if (this.env.flagged_col != null && (row.flagged_icon = document.getElementById('flaggedicn'+row.uid))) {
	row.flagged_icon._row = row.obj;
	row.flagged_icon.onmousedown = function(e) { self.command('toggle_flag', this); };
	}

	var expando;
	if (!row.depth && row.has_children && (expando = document.getElementById('rcmexpando'+row.uid))) {
	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;

	if (this.message_list.background)
	var tbody = this.message_list.background;
	else
	var tbody = this.gui_objects.messagelist.tBodies[0];

	var rows = this.message_list.rows;
	var rowcount = tbody.rows.length;
	var even = rowcount%2;

	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.replied?1:0,
	unread: flags.unread?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,
	parent_uid: flags.parent_uid
	});

	var message = this.env.messages[uid];

	var css_class = 'message'
	+ (even ? ' even' : ' odd')
	+ (flags.unread ? ' unread' : '')
	+ (flags.deleted ? ' deleted' : '')
	+ (flags.flagged ? ' flagged' : '')
	+ (flags.unread_children && !flags.unread && !this.env.autoexpand_threads ? ' unroot' : '')
	+ (this.message_list.in_selection(uid) ? ' selected' : '');

	// for performance use DOM instead of jQuery here
	var row = document.createElement('tr');
	row.id = 'rcmrow'+uid;
	row.className = css_class;

	var icon = this.env.messageicon;
	if (!flags.unread && flags.unread_children > 0 && this.env.unreadchildrenicon)
	icon = this.env.unreadchildrenicon;
	else if (flags.deleted && this.env.deletedicon)
	icon = this.env.deletedicon;
	else if (flags.replied && this.env.repliedicon) {
	if (flags.forwarded && this.env.forwardedrepliedicon)
	icon = this.env.forwardedrepliedicon;
	else
	icon = this.env.repliedicon;
	}
	else if (flags.forwarded && this.env.forwardedicon)
	icon = this.env.forwardedicon;
	else if(flags.unread && this.env.unreadicon)
	icon = this.env.unreadicon;

	var tree = expando = '';

	if (this.env.threading) {
	// This assumes that div width is hardcoded to 15px,
	var width = message.depth * 15;
	if (message.depth) {
	if ((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;
	}
	else if (message.has_children) {
	if (typeof(message.expanded) == 'undefined' && (this.env.autoexpand_threads == 1 \|\| (this.env.autoexpand_threads == 2 && message.unread_children))) {
	message.expanded = true;
	}
	}

	if (width)
	tree += '<span id="rcmtab' + uid + '" class="branch" style="width:' + width + 'px;">  </span>';

	if (message.has_children && !message.depth)
	expando = '<div id="rcmexpando' + uid + '" class="' + (message.expanded ? 'expanded' : 'collapsed') + '">  </div>';
	}

	tree += icon ? '<img id="msgicn'+uid+'" src="'+icon+'" alt="" class="msgicon" />' : '';

	// first col is always there
	var col = document.createElement('td');
	col.className = 'threads';
	col.innerHTML = expando;
	row.appendChild(col);

	// 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)">'+cols.subject+'</a>';
	}

	// add each submitted col
	for (var n = 0; n < this.env.coltypes.length; n++) {
	var c = this.env.coltypes[n];
	col = document.createElement('td');
	col.className = String(c).toLowerCase();

	var html;
	if (c=='flag') {
	if (flags.flagged && this.env.flaggedicon)
	html = '<img id="flaggedicn'+uid+'" src="'+this.env.flaggedicon+'" class="flagicon" alt="" />';
	else if(!flags.flagged && this.env.unflaggedicon)
	html = '<img id="flaggedicn'+uid+'" src="'+this.env.unflaggedicon+'" class="flagicon" alt="" />';
	}
	else if (c=='attachment')
	html = flags.attachment && this.env.attachmenticon ? '<img src="'+this.env.attachmenticon+'" alt="" />' : ' ';
	else if (c=='subject')
	html = tree + cols[c];
	else
	html = cols[c];

	col.innerHTML = html;

	row.appendChild(col);
	}

	this.message_list.insert_row(row, attop);

	// remove 'old' row
	if (attop && this.env.pagesize && this.message_list.rowcount > this.env.pagesize) {
	var uid = this.message_list.get_last_row();
	this.message_list.remove_row(uid);
	this.message_list.clear_selection(uid);
	}
	};

	// messages list handling in background (for performance)
	this.offline_message_list = function(flag)
	{
	if (this.message_list)
	this.message_list.set_background_mode(flag);
	};

	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, add_url = '';

	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;
	add_url += '&_threads=' + threads;
	}

	if (cols.join() != this.env.coltypes.join()) {
	update = 1;
	add_url += '&_cols=' + cols.join(',');
	}

	if (update)
	this.list_mailbox('', '', sort_col+'_'+sort_order, add_url);
	}

	// when user doble-clicks on a row
	this.show_message = function(id, safe, preview)
	{
	if (!id) return;

	var add_url = '';
	var action = preview ? 'preview': 'show';
	var target = window;

	if (preview && this.env.contentframe && window.frames && window.frames[this.env.contentframe])
	{
	target = window.frames[this.env.contentframe];
	add_url = '&_framed=1';
	}

	if (safe)
	add_url = '&_safe=1';

	// also send search request to get the right messages
	if (this.env.search_request)
	add_url += '&_search='+this.env.search_request;

	var url = '&_action='+action+'&_uid='+id+'&_mbox='+urlencode(this.env.mailbox)+add_url;
	if (action == 'preview' && String(target.location.href).indexOf(url) >= 0)
	this.show_contentframe(true);
	else
	{
	this.set_busy(true, 'loading');
	target.location.href = this.env.comm_path+url;

	// mark as read and change mbox unread counter
	if (action == 'preview' && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread)
	{
	this.set_message(id, 'unread', false);
	this.update_thread_root(id, 'read');
	if (this.env.unread_counts[this.env.mailbox])
	{
	this.env.unread_counts[this.env.mailbox] -= 1;
	this.set_unread_count(this.env.mailbox, this.env.unread_counts[this.env.mailbox], this.env.mailbox == 'INBOX');
	}
	}
	}
	};

	this.show_contentframe = function(show)
	{
	var frm;
	if (this.env.contentframe && (frm = $('#'+this.env.contentframe)) && frm.length)
	{
	if (!show && window.frames[this.env.contentframe])
	{
	if (window.frames[this.env.contentframe].location.href.indexOf(this.env.blankpage)<0)
	window.frames[this.env.contentframe].location.href = this.env.blankpage;
	}
	else if (!bw.safari && !bw.konq)
	frm[show ? 'show' : 'hide']();
	}

	if (!show && this.busy)
	this.set_busy(false);
	};

	// list a specific page
	this.list_page = function(page)
	{
	if (page=='next')
	page = this.env.current_page+1;
	if (page=='last')
	page = this.env.pagecount;
	if (page=='prev' && this.env.current_page>1)
	page = this.env.current_page-1;
	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=='mail')
	this.list_mailbox(this.env.mailbox, page);
	else if (this.task=='addressbook')
	this.list_contacts(this.env.source, null, page);
	}
	};

	// list messages of a specific mailbox using filter
	this.filter_mailbox = function(filter)
	{
	var search;
	if (this.gui_objects.qsearchbox)
	search = this.gui_objects.qsearchbox.value;

	this.message_list.clear();

	// reset vars
	this.env.current_page = 1;
	this.set_busy(true, 'searching');
	this.http_request('search', '_filter='+filter
	+ (search ? '&_q='+urlencode(search) : '')
	+ (this.env.mailbox ? '&_mbox='+urlencode(this.env.mailbox) : ''), true);
	}

	// list messages of a specific mailbox
	this.list_mailbox = function(mbox, page, sort, add_url)
	{
	var url = '';
	var target = window;

	if (!mbox)
	mbox = this.env.mailbox;

	if (add_url)
	url += add_url;

	// 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 (!page && this.env.mailbox != mbox)
	{
	page = 1;
	this.env.current_page = page;
	this.show_contentframe(false);
	}

	if (mbox != this.env.mailbox \|\| (mbox == this.env.mailbox && !page && !sort))
	url += '&_refresh=1';

	// unselect selected messages
	this.last_selected = 0;
	if (this.message_list) {
	this.message_list.clear_selection();
	this.select_all_mode = false;
	}
	this.select_folder(mbox, this.env.mailbox);
	this.env.mailbox = mbox;

	// load message list remotely
	if (this.gui_objects.messagelist)
	{
	this.list_mailbox_remote(mbox, page, url);
	return;
	}

	if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
	{
	target = window.frames[this.env.contentframe];
	url += '&_framed=1';
	}

	// load message list to target frame/window
	if (mbox)
	{
	this.set_busy(true, 'loading');
	target.location.href = this.env.comm_path+'&_mbox='+urlencode(mbox)+(page ? '&_page='+page : '')+url;
	}
	};

	// send remote request to load message list
	this.list_mailbox_remote = function(mbox, page, add_url)
	{
	// clear message list first
	this.message_list.clear();

	// send request to server
	var url = '_mbox='+urlencode(mbox)+(page ? '&_page='+page : '');
	this.set_busy(true, 'loading');
	this.http_request('list', url+add_url, true);
	};

	// expand all threads with unread children
	this.expand_unread = function()
	{
	var tbody = this.gui_objects.messagelist.tBodies[0];
	var new_row = tbody.firstChild;
	var r;

	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);
	var expando = document.getElementById('rcmexpando' + r.uid);
	if (expando)
	expando.className = 'expanded';
	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;
	}
	// this.message_list.expand(null);
	}

	// 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 rows = this.message_list.rows;
	var row = rows[uid]
	var depth = rows[uid].depth;
	var r, parent, count = 0;
	var roots = new Array();

	if (!row.depth) // root message: decrease roots count
	count--;
	else if (row.unread) {
	// update unread_children for thread root
	var 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
	$('#rcmtab'+r.uid).width(r.depth * 15);
	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[roots.length] = 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;
	var tbody = this.message_list.list.tBodies[0];
	var row = tbody.firstChild;
	var 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 icn_src;
	var rows = this.message_list.rows;

	if (!rows[uid])
	return false;
	if (!rows[uid].unread && rows[uid].unread_children && this.env.unreadchildrenicon) {
	icn_src = this.env.unreadchildrenicon;
	}
	else if (rows[uid].deleted && this.env.deletedicon)
	icn_src = this.env.deletedicon;
	else if (rows[uid].replied && this.env.repliedicon)
	{
	if (rows[uid].forwarded && this.env.forwardedrepliedicon)
	icn_src = this.env.forwardedrepliedicon;
	else
	icn_src = this.env.repliedicon;
	}
	else if (rows[uid].forwarded && this.env.forwardedicon)
	icn_src = this.env.forwardedicon;
	else if (rows[uid].unread && this.env.unreadicon)
	icn_src = this.env.unreadicon;
	else if (this.env.messageicon)
	icn_src = this.env.messageicon;

	if (icn_src && rows[uid].icon)
	rows[uid].icon.src = icn_src;

	icn_src = '';

	if (rows[uid].flagged && this.env.flaggedicon)
	icn_src = this.env.flaggedicon;
	else if (!rows[uid].flagged && this.env.unflaggedicon)
	icn_src = this.env.unflaggedicon;
	if (rows[uid].flagged_icon && icn_src)
	rows[uid].flagged_icon.src = icn_src;
	}

	// set message status
	this.set_message_status = function(uid, flag, status)
	{
	var rows = this.message_list.rows;

	if (!rows[uid]) return false;

	if (flag == 'unread')
	rows[uid].unread = status;
	else if(flag == 'deleted')
	rows[uid].deleted = status;
	else if (flag == 'replied')
	rows[uid].replied = status;
	else if (flag == 'forwarded')
	rows[uid].forwarded = status;
	else if (flag == 'flagged')
	rows[uid].flagged = status;

	// this.env.messages[uid] = rows[uid];
	}

	// set message row status, class and icon
	this.set_message = function(uid, flag, status)
	{
	var rows = this.message_list.rows;

	if (!rows[uid]) return false;

	if (flag)
	this.set_message_status(uid, flag, status);

	var rowobj = $(rows[uid].obj);

	if (rows[uid].unread && !rowobj.hasClass('unread'))
	rowobj.addClass('unread');
	else if (!rows[uid].unread && rowobj.hasClass('unread'))
	rowobj.removeClass('unread');

	if (rows[uid].deleted && !rowobj.hasClass('deleted'))
	rowobj.addClass('deleted');
	else if (!rows[uid].deleted && rowobj.hasClass('deleted'))
	rowobj.removeClass('deleted');

	if (rows[uid].flagged && !rowobj.hasClass('flagged'))
	rowobj.addClass('flagged');
	else if (!rows[uid].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 \|\| !row.has_children)
	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)
	{
	// 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 add_url = '&_target_mbox='+urlencode(mbox)+'&_from='+(this.env.action ? this.env.action : '');
	var a_uids = new Array();

	if (this.env.uid)
	a_uids[0] = this.env.uid;
	else
	{
	var selection = this.message_list.get_selection();
	var id;
	for (var n=0; n<selection.length; n++) {
	id = selection[n];
	a_uids[a_uids.length] = id;
	}
	}

	// send request to server
	this.http_post('copy', '_uid='+a_uids.join(',')+'&_mbox='+urlencode(this.env.mailbox)+add_url, false);
	};

	// 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;
	var add_url = '&_target_mbox='+urlencode(mbox)+'&_from='+(this.env.action ? this.env.action : '');

	// show wait message
	if (this.env.action=='show')
	{
	lock = true;
	this.set_busy(true, 'movingmessage');
	}
	else
	this.show_contentframe(false);

	// Hide message command buttons until a message is selected
	this.enable_command('reply', 'reply-all', 'forward', 'delete', 'mark', 'print', 'open', 'edit', 'viewsource', 'download', false);

	this._with_selected_messages('moveto', lock, add_url);
	};

	// delete selected messages from the current mailbox
	this.delete_messages = function()
	{
	var selection = this.message_list ? $.merge([], this.message_list.get_selection()) : new Array();

	// exit if no mailbox specified or if selection is empty
	if (!this.env.uid && !selection.length)
	return;

	// also select childs of collapsed rows
	for (var uid, i=0; i < selection.length; i++) {
	uid = selection[i];
	if (this.message_list.rows[uid].has_children && !this.message_list.rows[uid].expanded)
	this.message_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
	else if (!this.env.trash_mailbox \|\| this.env.mailbox == this.env.trash_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 (this.message_list && this.message_list.shiftkey) {
	if (confirm(this.get_label('deletemessagesconfirm')))
	this.permanently_remove_messages();
	}
	else
	this.move_messages(this.env.trash_mailbox);
	}

	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, add_url)
	{
	var a_uids = new Array(),
	count = 0;

	if (this.env.uid)
	a_uids[0] = this.env.uid;
	else
	{
	var selection = this.message_list.get_selection();
	var id;
	for (var n=0; n<selection.length; n++) {
	id = selection[n];
	a_uids[a_uids.length] = id;
	count += this.update_thread(id);
	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();
	}

	// also send search request to get the right messages
	if (this.env.search_request)
	add_url += '&_search='+this.env.search_request;

	if (this.env.display_next && this.env.next_uid)
	add_url += '&_next_uid='+this.env.next_uid;

	if (count < 0)
	add_url += '&_count='+(count*-1);
	else if (count > 0)
	// remove threads from the end of the list
	this.delete_excessive_thread_rows();

	add_url += '&_uid='+this.uids_to_list(a_uids);

	// send request to server
	this.http_post(action, '_mbox='+urlencode(this.env.mailbox)+add_url, lock);
	};

	// set a specific flag to one or more messages
	this.mark_message = function(flag, uid)
	{
	- var a_uids = new Array();
	- var r_uids = new Array();
	- var selection = this.message_list ? this.message_list.get_selection() : new Array();
	+ var a_uids = new Array(),
	+ r_uids = new Array(),
	+ selection = this.message_list ? this.message_list.get_selection() : new Array();

	if (uid)
	a_uids[0] = uid;
	else if (this.env.uid)
	a_uids[0] = this.env.uid;
	else if (this.message_list)
	{
	for (var n=0; n<selection.length; n++)
	{
	a_uids[a_uids.length] = selection[n];
	}
	}

	if (!this.message_list)
	r_uids = a_uids;
	else
	for (var id, n=0; n<a_uids.length; n++)
	{
	id = a_uids[n];
	if ((flag=='read' && this.message_list.rows[id].unread)
	\|\| (flag=='unread' && !this.message_list.rows[id].unread)
	\|\| (flag=='delete' && !this.message_list.rows[id].deleted)
	\|\| (flag=='undelete' && this.message_list.rows[id].deleted)
	\|\| (flag=='flagged' && !this.message_list.rows[id].flagged)
	\|\| (flag=='unflagged' && this.message_list.rows[id].flagged))
	{
	r_uids[r_uids.length] = id;
	}
	}

	// nothing to do
	- if (!r_uids.length)
	+ 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)
	{
	// mark all message rows as read/unread
	for (var i=0; i<a_uids.length; i++)
	this.set_message(a_uids[i], 'unread', (flag=='unread' ? true : false));

	this.http_post('mark', '_uid='+this.uids_to_list(a_uids)+'&_flag='+flag);

	for (var i=0; i<a_uids.length; i++)
	this.update_thread_root(a_uids[i], flag);
	};

	// set image to flagged or unflagged
	this.toggle_flagged_status = function(flag, a_uids)
	{
	// mark all message rows as flagged/unflagged
	for (var i=0; i<a_uids.length; i++)
	this.set_message(a_uids[i], 'flagged', (flag=='flagged' ? true : false));

	this.http_post('mark', '_uid='+this.uids_to_list(a_uids)+'&_flag='+flag);
	};

	// mark all message rows as deleted/undeleted
	this.toggle_delete_status = function(a_uids)
	{
	var rows = this.message_list ? this.message_list.rows : new Array();

	if (a_uids.length==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;
	}

	var all_deleted = true;
	- for (var i=0; i<a_uids.length; i++)
	+ for (var uid, i=0; i<a_uids.length; i++)
	{
	uid = a_uids[i];
	- if (rows[uid]) {
	- if (!rows[uid].deleted)
	- {
	- all_deleted = false;
	- break;
	- }
	+ 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)
	{
	for (var i=0; i<a_uids.length; i++)
	this.set_message(a_uids[i], 'deleted', false);

	this.http_post('mark', '_uid='+this.uids_to_list(a_uids)+'&_flag=undelete');
	return true;
	};

	this.flag_as_deleted = function(a_uids)
	{
	var add_url = '',
	r_uids = new Array(),
	rows = this.message_list ? this.message_list.rows : new Array(),
	count = 0;

	for (var i=0; i<a_uids.length; 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)
	add_url += '&_count='+(count*-1);
	else if (count > 0)
	// remove threads from the end of the list
	this.delete_excessive_thread_rows();
	}

	add_url = '&_from='+(this.env.action ? this.env.action : '');

	// ??
	if (r_uids.length)
	add_url += '&_ruid='+this.uids_to_list(r_uids);

	if (this.env.skip_deleted) {
	// also send search request to get the right messages
	if (this.env.search_request)
	add_url += '&_search='+this.env.search_request;
	if (this.env.display_next && this.env.next_uid)
	add_url += '&_next_uid='+this.env.next_uid;
	}

	this.http_post('mark', '_uid='+this.uids_to_list(a_uids)+'&_flag=delete'+add_url);
	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,
	rows = this.message_list ? this.message_list.rows : new Array(),
	str = String(uids),
	a_uids = str.split(',');

	for (var i=0; i<a_uids.length; i++) {
	uid = a_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(',');
	};


	/*********************************************************/
	/******* mailbox folders methods *******/
	/*********************************************************/

	this.expunge_mailbox = function(mbox)
	{
	var lock = false;
	var add_url = '';

	// lock interface if it's the active mailbox
	if (mbox == this.env.mailbox)
	{
	lock = true;
	this.set_busy(true, 'loading');
	add_url = '&_reload=1';
	}

	// send request to server
	var url = '_mbox='+urlencode(mbox);
	this.http_post('expunge', url+add_url, lock);
	};

	this.purge_mailbox = function(mbox)
	{
	var lock = false;
	var add_url = '';

	if (!confirm(this.get_label('purgefolderconfirm')))
	return false;

	// lock interface if it's the active mailbox
	if (mbox == this.env.mailbox)
	{
	lock = true;
	this.set_busy(true, 'loading');
	add_url = '&_reload=1';
	}

	// send request to server
	var url = '_mbox='+urlencode(mbox);
	this.http_post('purge', url+add_url, lock);
	return true;
	};

	// 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 *******/
	/*********************************************************/

	// init message compose form: set focus and eventhandlers
	this.init_messageform = function()
	{
	if (!this.gui_objects.messageform)
	return false;

	//this.messageform = this.gui_objects.messageform;
	var input_from = $("[name='_from']");
	var input_to = $("[name='_to']");
	var input_subject = $("input[name='_subject']");
	var input_message = $("[name='_message']").get(0);
	var html_mode = $("input[name='_is_html']").val() == '1';

	// init live search events
	this.init_address_input_events(input_to);
	this.init_address_input_events($("[name='_cc']"));
	this.init_address_input_events($("[name='_bcc']"));

	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 (input_from.attr('type') == 'select-one' && $("input[name='_draft_saveid']").val() == ''
	&& !html_mode) { // if we have HTML editor, signature is added in callback
	this.change_identity(input_from[0]);
	}
	else if (!html_mode)
	this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);

	if (input_to.val() == '')
	input_to.focus();
	else if (input_subject.val() == '')
	input_subject.focus();
	else if (input_message && !html_mode)
	input_message.focus();

	// 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)
	{
	var handler = function(e){ return ref.ksearch_keypress(e,this); };
	obj.bind((bw.safari \|\| bw.ie ? 'keydown' : 'keypress'), handler);
	obj.attr('autocomplete', 'off');
	};

	// checks the input fields before sending a message
	this.check_compose_input = function()
	{
	// check input fields
	var input_to = $("[name='_to']");
	var input_cc = $("[name='_cc']");
	var input_bcc = $("[name='_bcc']");
	var input_from = $("[name='_from']");
	var input_subject = $("[name='_subject']");
	var input_message = $("[name='_message']");

	// check sender (if have no identities)
	if (input_from.attr('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 subject = prompt(this.get_label('nosubjectwarning'), this.get_label('nosubject'));

	// user hit cancel, so don't send
	if (!subject && subject !== '') {
	input_subject.focus();
	return false;
	}
	else
	input_subject.val((subject ? subject : this.get_label('nosubject')));
	}

	// check for empty body
	if ((!window.tinyMCE \|\| !tinyMCE.get(this.env.composebody))
	&& input_message.val() == '' && !confirm(this.get_label('nobodywarning'))) {
	input_message.focus();
	return false;
	}
	else if (window.tinyMCE && tinyMCE.get(this.env.composebody)
	&& !tinyMCE.get(this.env.composebody).getContent()
	&& !confirm(this.get_label('nobodywarning'))) {
	tinyMCE.get(this.env.composebody).focus();
	return false;
	}

	// Apply spellcheck changes if spell checker is active
	this.stop_spellchecking();

	// move body from html editor to textarea (just to be sure, #1485860)
	if (window.tinyMCE && tinyMCE.get(this.env.composebody))
	tinyMCE.triggerSave();

	return true;
	};

	this.stop_spellchecking = function()
	{
	if (this.env.spellcheck && !this.spellcheck_ready) {
	$(this.env.spellcheck.spell_span).trigger('click');
	this.set_spellcheck_state('ready');
	}
	};

	this.display_spellcheck_controls = function(vis)
	{
	if (this.env.spellcheck) {
	// stop spellchecking process
	if (!vis)
	this.stop_spellchecking();

	$(this.env.spellcheck.spell_container).css('visibility', vis ? 'visible' : 'hidden');
	}
	};

	this.set_spellcheck_state = function(s)
	{
	this.spellcheck_ready = (s == 'ready' \|\| s == 'no_error_found');
	this.enable_command('spellcheck', this.spellcheck_ready);
	};

	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 = self.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 value_to = $("[name='_to']").val();
	var value_cc = $("[name='_cc']").val();
	var value_bcc = $("[name='_bcc']").val();
	var value_subject = $("[name='_subject']").val();
	var str = '';

	if (value_to)
	str += value_to+':';
	if (value_cc)
	str += value_cc+':';
	if (value_bcc)
	str += value_bcc+':';
	if (value_subject)
	str += value_subject+':';

	var editor = tinyMCE.get(this.env.composebody);
	if (editor)
	str += editor.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 id = obj.options[obj.selectedIndex].value;
	var input_message = $("[name='_message']");
	var message = input_message.val();
	var is_html = ($("input[name='_is_html']").val() == '1');
	var sig_separator = this.env.sig_above && (this.env.compose_mode == 'reply' \|\| this.env.compose_mode == 'forward') ? '---' : '-- ';
	var sig, cursor_pos, p = -1;

	if (!this.env.identity)
	this.env.identity = id

	// enable manual signature insert
	if (this.env.signatures && this.env.signatures[id])
	this.enable_command('insert-sig', true);
	else
	this.enable_command('insert-sig', false);

	if (!is_html) {
	// remove the 'old' signature
	if (show_sig && this.env.identity && this.env.signatures && this.env.signatures[this.env.identity]) {
	sig = this.env.signatures[this.env.identity].is_html ? this.env.signatures[this.env.identity].plain_text : this.env.signatures[this.env.identity].text;
	sig = sig.replace(/\r\n/, '\n');

	if (!sig.match(/^--[ -]\n/))
	sig = sig_separator + '\n' + sig;

	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]['is_html'] ? this.env.signatures[id]['plain_text'] : this.env.signatures[id]['text'];
	sig = sig.replace(/\r\n/, '\n');

	if (!sig.match(/^--[ -]\n/))
	sig = sig_separator + '\n' + sig;

	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 (is_html && show_sig && this.env.signatures) { // html
	var editor = tinyMCE.get(this.env.composebody);
	var sigElem = editor.dom.get('_rc_sig');

	// Append the signature as a div within the body
	if (!sigElem) {
	var body = editor.getBody();
	var 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

	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]) {
	if (this.env.signatures[id].is_html) {
	sig = this.env.signatures[id].text;
	if (!this.env.signatures[id].plain_text.match(/^--[ -]\r?\n/))
	sig = sig_separator + '<br />' + sig;
	}
	else {
	sig = this.env.signatures[id].text;
	if (!sig.match(/^--[ -]\r?\n/))
	sig = sig_separator + '\n' + sig;
	sig = '<pre>' + sig + '</pre>';
	}

	sigElem.innerHTML = sig;
	}
	}

	this.env.identity = id;
	return true;
	};

	this.show_attachment_form = function(a)
	{
	if (!this.gui_objects.uploadbox)
	return false;

	var elm, list;
	if (elm = this.gui_objects.uploadbox)
	{
	if (a && (list = this.gui_objects.attachmentlist))
	{
	var pos = $(list).offset();
	elm.style.top = (pos.top + list.offsetHeight + 10) + 'px';
	elm.style.left = pos.left + 'px';
	}

	$(elm).toggle();
	}

	// clear upload form
	try {
	if (!a && this.gui_objects.attachmentform != this.gui_objects.messageform)
	this.gui_objects.attachmentform.reset();
	}
	catch(e){} // ignore errors

	return true;
	};

	// upload attachment file
	this.upload_file = function(form)
	{
	if (!form)
	return false;

	// get file input fields
	var send = false;
	for (var n=0; n<form.elements.length; n++)
	if (form.elements[n].type=='file' && form.elements[n].value)
	{
	send = true;
	break;
	}

	// create hidden iframe and post upload form
	if (send)
	{
	var ts = new Date().getTime();
	var frame_name = 'rcmupload'+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/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
	var fr = document.getElementsByName(frame_name)[0];
	$(fr).bind('load', {ts:ts}, function(e) {
	var content = '';
	try {
	if (this.contentDocument) {
	var d = this.contentDocument;
	} else if (this.contentWindow) {
	var d = this.contentWindow.document;
	}
	content = d.childNodes[0].innerHTML;
	} catch (e) {}

	if (!String(content).match(/add2attachment/) && (!bw.opera \|\| (rcmail.env.uploadframe && rcmail.env.uploadframe == e.data.ts))) {
	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;
	});

	form.target = frame_name;
	form.action = this.env.comm_path+'&_action=upload&_uploadid='+ts;
	form.setAttribute('enctype', 'multipart/form-data');
	form.submit();

	// hide upload form
	this.show_attachment_form(false);
	// display upload indicator and cancel button
	var content = this.get_label('uploading');
	if (this.env.loadingicon)
	content = '<img src="'+this.env.loadingicon+'" alt="" />'+content;
	if (this.env.cancelicon)
	content = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+ts+'\', \''+frame_name+'\');" href="#cancelupload"><img src="'+this.env.cancelicon+'" alt="" /></a>'+content;
	this.add2attachment_list(ts, { name:'', html:content, complete:false });
	}

	// 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;

	var li = $('<li>').attr('id', name).html(att.html);
	var indicator;

	// 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)
	{
	if (this.env.attachments[name])
	delete this.env.attachments[name];

	if (!this.gui_objects.attachmentlist)
	return false;

	var list = this.gui_objects.attachmentlist.getElementsByTagName("li");
	for (i=0;i<list.length;i++)
	if (list[i].id == name)
	this.gui_objects.attachmentlist.removeChild(list[i]);
	};

	this.remove_attachment = function(name)
	{
	if (name && this.env.attachments[name])
	this.http_post('remove-attachment', '_file='+urlencode(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;
	};

	// 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 addurl = '';
	if (this.message_list) {
	this.message_list.clear();
	if (this.env.search_mods) {
	var mods = this.env.search_mods[this.env.mailbox] ? this.env.search_mods[this.env.mailbox] : this.env.search_mods['*'];
	if (mods) {
	var head_arr = new Array();
	for (var n in mods)
	head_arr.push(n);
	addurl += '&_headers='+head_arr.join(',');
	}
	}
	} else if (this.contact_list) {
	this.contact_list.clear(true);
	this.show_contentframe(false);
	}

	if (this.gui_objects.search_filter)
	addurl += '&_filter=' + this.gui_objects.search_filter.value;

	// reset vars
	this.env.current_page = 1;
	this.set_busy(true, 'searching');
	this.http_request('search', '_q='+urlencode(value)
	+ (this.env.mailbox ? '&_mbox='+urlencode(this.env.mailbox) : '')
	+ (this.env.source ? '&_source='+urlencode(this.env.source) : '')
	+ (this.env.group ? '&_gid='+urlencode(this.env.group) : '')
	+ (addurl ? addurl : ''), true);
	}
	return true;
	};

	// reset quick-search form
	this.reset_qsearch = function()
	{
	if (this.gui_objects.qsearchbox)
	this.gui_objects.qsearchbox.value = '';

	this.env.search_request = null;
	return true;
	};

	this.sent_successfully = function(type, msg)
	{
	this.list_mailbox();
	this.display_message(msg, type, true);
	}


	/*********************************************************/
	/******* keyboard live-search methods *******/
	/*********************************************************/

	// handler for keyboard events on address-fields
	this.ksearch_keypress = function(e, obj)
	{
	if (this.ksearch_timer)
	clearTimeout(this.ksearch_timer);

	var highlight;
	var key = rcube_event.get_keycode(e);
	var mod = rcube_event.get_modifier(e);

	switch (key)
	{
	case 38: // key up
	case 40: // key down
	if (!this.ksearch_pane)
	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)
	break;

	case 13: // enter
	if (this.ksearch_selected===null \|\| !this.ksearch_input \|\| !this.ksearch_value)
	break;

	// 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();
	break;

	case 37: // left
	case 39: // right
	if (mod != SHIFT_KEY)
	return;
	}

	// start timer
	this.ksearch_timer = window.setTimeout(function(){ ref.ksearch_get_results(); }, 200);
	this.ksearch_input = obj;

	return true;
	};

	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 (!this.env.contacts[id] \|\| !this.ksearch_input)
	return;

	// get cursor pos
	var inp_value = this.ksearch_input.value;
	var cpos = this.get_caret_pos(this.ksearch_input);
	var p = inp_value.lastIndexOf(this.ksearch_value, cpos);

	// replace search string with full address
	var pre = this.ksearch_input.value.substring(0, p);
	var end = this.ksearch_input.value.substring(p+this.ksearch_value.length, this.ksearch_input.value.length);
	var insert = '';

	// insert all members of a group
	if (typeof this.env.contacts[id] == 'object' && this.env.contacts[id].members) {
	for (var i=0; i < this.env.contacts[id].members.length; i++)
	insert += this.env.contacts[id].members[i] + ', ';
	}
	else if (typeof this.env.contacts[id] == 'string')
	insert = this.env.contacts[id] + ', ';

	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);
	};

	// address search processor
	this.ksearch_get_results = function()
	{
	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);
	var p = inp_value.lastIndexOf(',', cpos-1);
	var q = inp_value.substring(p+1, cpos);

	// trim query string
	q = q.replace(/(^\s+\|\s+$)/g, '');

	// Don't (re-)search if the last results are still active
	if (q == this.ksearch_value)
	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 result was empty
	if (old_value && old_value.length && this.env.contacts && !this.env.contacts.length && q.indexOf(old_value) == 0)
	return;

	this.display_message(this.get_label('searching'), 'loading', true);
	this.http_post('autocomplete', '_search='+urlencode(q));
	};

	this.ksearch_query_results = function(results, search)
	{
	// ignore this outdated search response
	if (this.ksearch_value && search != this.ksearch_value)
	return;

	this.hide_message();
	this.env.contacts = results ? results : [];
	this.ksearch_display_results(this.env.contacts);
	};

	this.ksearch_display_results = function (a_results)
	{
	// display search results
	if (a_results.length && this.ksearch_input && this.ksearch_value) {
	var p, ul, li, text, s_val = this.ksearch_value;

	// 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];
	}

	// remove all search results
	ul = this.ksearch_pane.__ul;
	ul.innerHTML = '';

	// add each result line to list
	for (i=0; i < a_results.length; i++) {
	text = typeof a_results[i] == 'object' ? a_results[i].name : a_results[i];
	li = document.createElement('LI');
	li.innerHTML = text.replace(new RegExp('('+s_val+')', '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 = i;
	ul.appendChild(li);
	}

	// select the first
	$(ul.firstChild).attr('id', 'rcmksearchSelected').addClass('selected');
	this.ksearch_selected = 0;

	// move the results pane right under the input box and make it visible
	var pos = $(this.ksearch_input).offset();
	this.ksearch_pane.css({ left:pos.left+'px', top:(pos.top + this.ksearch_input.offsetHeight)+'px' }).show();
	}
	// hide results pane
	else
	this.ksearch_hide();
	};

	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_value = '';
	this.ksearch_input = null;

	this.ksearch_hide();
	};


	this.ksearch_hide = function()
	{
	this.ksearch_selected = null;

	if (this.ksearch_pane)
	this.ksearch_pane.hide();
	};


	/*********************************************************/
	/******* 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 id, frame, ref = this;
	if (id = list.get_single_selection())
	this.preview_timer = window.setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
	else if (this.env.contentframe)
	this.show_contentframe(false);

	this.enable_command('compose', list.selection.length > 0);
	this.enable_command('edit', (id && this.env.address_sources && !this.env.address_sources[this.env.source].readonly) ? true : false);
	this.enable_command('delete', list.selection.length && this.env.address_sources && !this.env.address_sources[this.env.source].readonly);

	return false;
	};

	this.list_contacts = function(src, group, page)
	{
	var add_url = '';
	var target = window;

	// currently all groups belong to the local address book
	if (group)
	src = 0;

	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 = 1;
	this.env.current_page = page;
	this.reset_qsearch();
	}
	else if (group != this.env.group)
	page = this.env.current_page = 1;

	this.select_folder(src, this.env.source);
	this.select_folder(group, this.env.group, 'rcmliG');

	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 (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
	{
	target = window.frames[this.env.contentframe];
	add_url = '&_framed=1';
	}

	if (group)
	add_url += '&_gid='+group;
	if (page)
	add_url += '&_page='+page;

	// also send search request to get the correct listing
	if (this.env.search_request)
	add_url += '&_search='+this.env.search_request;

	this.set_busy(true, 'loading');
	target.location.href = this.env.comm_path + (src ? '&_source='+urlencode(src) : '') + add_url;
	};

	// send remote request to load contacts list
	this.list_contacts_remote = function(src, group, page)
	{
	// clear message list first
	this.contact_list.clear(true);
	this.show_contentframe(false);
	this.enable_command('delete', 'compose', false);

	// send request to server
	var url = (src ? '_source='+urlencode(src) : '') + (page ? (src?'&':'') + '_page='+page : '');
	this.env.source = src;
	this.env.group = group;

	if (group)
	url += '&_gid='+group;

	// also send search request to get the right messages
	if (this.env.search_request)
	url += '&_search='+this.env.search_request;

	this.set_busy(true, 'loading');
	this.http_request('list', url, true);
	};

	// load contact record
	this.load_contact = function(cid, action, framed)
	{
	var add_url = '';
	var target = window;
	if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
	{
	add_url = '&_framed=1';
	target = window.frames[this.env.contentframe];
	this.show_contentframe(true);
	}
	else if (framed)
	return false;

	if (action && (cid \|\| action=='add') && !this.drag_active)
	{
	this.set_busy(true);
	target.location.href = this.env.comm_path+'&_action='+action+'&_source='+urlencode(this.env.source)+'&_cid='+urlencode(cid) + add_url;
	}
	return true;
	};

	// 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')
	this.http_post('add2group', '_cid='+urlencode(cid)+'&_source='+urlencode(this.env.source)+'&_gid='+urlencode(to.id));
	else if (to.id != this.env.source && cid && this.env.address_sources[to.id] && !this.env.address_sources[to.id].readonly)
	this.http_post('copy', '_cid='+urlencode(cid)+'&_source='+urlencode(this.env.source)+'&_to='+urlencode(to.id));
	};


	this.delete_contacts = function()
	{
	// exit if no mailbox specified or if selection is empty
	var selection = this.contact_list.get_selection();
	if (!(selection.length \|\| this.env.cid) \|\| (!this.env.group && !confirm(this.get_label('deletecontactconfirm'))))
	return;

	var a_cids = new Array();
	var qs = '';

	if (this.env.cid)
	a_cids[a_cids.length] = this.env.cid;
	else
	{
	var id;
	for (var n=0; n<selection.length; n++)
	{
	id = selection[n];
	a_cids[a_cids.length] = 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);
	}

	// also send search request to get the right records from the next page
	if (this.env.search_request)
	qs += '&_search='+this.env.search_request;

	// send request to server
	if (this.env.group)
	this.http_post('removefromgroup', '_cid='+urlencode(a_cids.join(','))+'&_source='+urlencode(this.env.source)+'&_gid='+urlencode(this.env.group)+qs);
	else
	this.http_post('delete', '_cid='+urlencode(a_cids.join(','))+'&_source='+urlencode(this.env.source)+'&_from='+(this.env.action ? this.env.action : '')+qs);

	return true;
	};

	// update a contact record in the list
	this.update_contact_row = function(cid, cols_arr, newcid)
	{
	var row;
	if (this.contact_list.rows[cid] && (row = this.contact_list.rows[cid].obj)) {
	for (var c=0; c<cols_arr.length; c++)
	if (row.cells[c])
	$(row.cells[c]).html(cols_arr[c]);

	// cid change
	if (newcid) {
	row.id = 'rcmrow' + newcid;
	this.contact_list.remove_row(cid);
	this.contact_list.init_row(row);
	this.contact_list.selection[0] = newcid;
	ow.style.display = '';
	}

	return true;
	}

	return false;
	};

	// add row to contacts list
	this.add_contact_row = function(cid, cols, select)
	{
	if (!this.gui_objects.contactslist \|\| !this.gui_objects.contactslist.tBodies[0])
	return false;

	var tbody = this.gui_objects.contactslist.tBodies[0];
	var rowcount = tbody.rows.length;
	var even = rowcount%2;

	var row = document.createElement('tr');
	row.id = 'rcmrow'+cid;
	row.className = 'contact '+(even ? 'even' : 'odd');

	if (this.contact_list.in_selection(cid))
	row.className += ' selected';

	// add each submitted col
	for (var c in cols) {
	col = document.createElement('td');
	col.className = String(c).toLowerCase();
	col.innerHTML = cols[c];
	row.appendChild(col);
	}

	this.contact_list.insert_row(row);

	this.enable_command('export', (this.contact_list.rowcount > 0));
	};


	this.add_contact_group = function()
	{
	if (!this.gui_objects.folderlist \|\| !this.env.address_sources[this.env.source].groups)
	return;

	if (!this.name_input) {
	this.name_input = document.createElement('input');
	this.name_input.type = 'text';
	this.name_input.onkeypress = function(e){ return rcmail.add_input_keypress(e); };

	this.gui_objects.folderlist.parentNode.appendChild(this.name_input);
	}

	this.name_input.select();
	};

	// handler for keyboard events on the input field
	this.add_input_keypress = function(e)
	{
	var key = rcube_event.get_keycode(e);

	// enter
	if (key == 13) {
	var newname = this.name_input.value;

	if (newname) {
	this.set_busy(true, 'loading');
	this.http_post('create-group', '_source='+urlencode(this.env.source)+'&_name='+urlencode(newname), true);
	}
	return false;
	}
	// escape
	else if (key == 27)
	this.reset_add_input();

	return true;
	};

	this.reset_add_input = function()
	{
	if (this.name_input) {
	this.name_input.parentNode.removeChild(this.name_input);
	this.name_input = null;
	}
	};

	// callback for creating a new contact group
	this.insert_contact_group = function(prop)
	{
	this.reset_add_input();

	prop.type = 'group';
	var key = 'G'+prop.id;
	this.env.contactfolders[key] = this.env.contactgroups[key] = prop;

	var link = $('<a>').attr('href', '#').attr('onclick', "return rcmail.command('listgroup','"+prop.id+"',this)").html(prop.name);
	var li = $('<li>').attr('id', 'rcmli'+key).addClass('contactgroup').append(link);
	$(this.gui_objects.folderlist).append(li);
	}


	/*********************************************************/
	/******* user settings 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)
	{
	var anchors = row.obj.getElementsByTagName('a');
	if (anchors[0])
	anchors[0].onclick = function() { p.rename_folder(row.id); return false; };
	if (anchors[1])
	anchors[1].onclick = function() { p.delete_folder(row.id); return false; };
	row.obj.onmouseover = function() { p.focus_subscription(row.id); };
	row.obj.onmouseout = function() { p.unfocus_subscription(row.id); };
	}
	this.subscription_list.init();
	}

	// preferences section select and load options frame
	this.section_select = function(list)
	{
	var id = list.get_single_selection();

	if (id) {
	var add_url = '';
	var target = window;
	this.set_busy(true);

	if (this.env.contentframe && window.frames && window.frames[this.env.contentframe]) {
	add_url = '&_framed=1';
	target = window.frames[this.env.contentframe];
	}
	target.location.href = this.env.comm_path+'&_action=edit-prefs&_section='+id+add_url;
	}

	return true;
	};

	this.identity_select = function(list)
	{
	var id;
	if (id = list.get_single_selection())
	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 add_url = '';
	var target = window;
	if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
	{
	add_url = '&_framed=1';
	target = window.frames[this.env.contentframe];
	document.getElementById(this.env.contentframe).style.visibility = 'inherit';
	}

	if (action && (id \|\| action=='add-identity'))
	{
	this.set_busy(true);
	target.location.href = this.env.comm_path+'&_action='+action+'&_iid='+id+add_url;
	}
	return true;
	};

	this.delete_identity = function(id)
	{
	// exit if no mailbox 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];

	// append token to request
	this.goto_url('delete-identity', '_iid='+id+'&_token='+this.env.request_token, true);

	return true;
	};

	this.focus_subscription = function(id)
	{
	var row, folder;
	var reg = RegExp('['+RegExp.escape(this.env.delimiter)+']?[^'+RegExp.escape(this.env.delimiter)+']+$');

	if (this.drag_active && this.env.folder && (row = document.getElementById(id)))
	if (this.env.subscriptionrows[id] &&
	(folder = this.env.subscriptionrows[id][0]))
	{
	if (this.check_droptarget(folder) &&
	!this.env.subscriptionrows[this.get_folder_row_id(this.env.folder)][2] &&
	(folder != this.env.folder.replace(reg, '')) &&
	(!folder.match(new RegExp('^'+RegExp.escape(this.env.folder+this.env.delimiter)))))
	{
	this.set_env('dstfolder', folder);
	$(row).addClass('droptarget');
	}
	}
	else if (this.env.folder.match(new RegExp(RegExp.escape(this.env.delimiter))))
	{
	this.set_env('dstfolder', this.env.delimiter);
	$(this.subscription_list.frame).addClass('droptarget');
	}
	}

	this.unfocus_subscription = function(id)
	{
	var row = $('#'+id);
	this.set_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 ((id = list.get_single_selection()) &&
	this.env.subscriptionrows['rcmrow'+id] &&
	(folder = this.env.subscriptionrows['rcmrow'+id][0]))
	this.set_env('folder', folder);
	else
	this.set_env('folder', null);

	if (this.gui_objects.createfolderhint)
	$(this.gui_objects.createfolderhint).html(this.env.folder ? this.get_label('addsubfolderhint') : '');
	};

	this.subscription_move_folder = function(list)
	{
	var reg = RegExp('['+RegExp.escape(this.env.delimiter)+']?[^'+RegExp.escape(this.env.delimiter)+']+$');
	if (this.env.folder && this.env.dstfolder && (this.env.dstfolder != this.env.folder) &&
	(this.env.dstfolder != this.env.folder.replace(reg, '')))
	{
	var reg = new RegExp('[^'+RegExp.escape(this.env.delimiter)+']*['+RegExp.escape(this.env.delimiter)+']', 'g');
	var basename = this.env.folder.replace(reg, '');
	var newname = this.env.dstfolder==this.env.delimiter ? basename : this.env.dstfolder+this.env.delimiter+basename;

	this.set_busy(true, 'foldermoving');
	this.http_post('rename-folder', '_folder_oldname='+urlencode(this.env.folder)+'&_folder_newname='+urlencode(newname), true);
	}
	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(name)
	{
	if (this.edit_folder)
	this.reset_folder_rename();

	var form;
	if ((form = this.gui_objects.editform) && form.elements['_folder_name'])
	{
	name = form.elements['_folder_name'].value;

	if (name.indexOf(this.env.delimiter)>=0)
	{
	alert(this.get_label('forbiddencharacter')+' ('+this.env.delimiter+')');
	return false;
	}

	if (this.env.folder && name != '')
	name = this.env.folder+this.env.delimiter+name;

	this.set_busy(true, 'foldercreating');
	this.http_post('create-folder', '_name='+urlencode(name), true);
	}
	else if (form.elements['_folder_name'])
	form.elements['_folder_name'].focus();
	};

	// start renaming the mailbox name.
	// this will replace the name string with an input field
	this.rename_folder = function(id)
	{
	var temp, row, form;

	// reset current renaming
	if (temp = this.edit_folder)
	{
	this.reset_folder_rename();
	if (temp == id)
	return;
	}

	if (id && this.env.subscriptionrows[id] && (row = document.getElementById(id)))
	{
	var reg = new RegExp('.*['+RegExp.escape(this.env.delimiter)+']');
	this.name_input = document.createElement('input');
	this.name_input.type = 'text';
	this.name_input.value = this.env.subscriptionrows[id][0].replace(reg, '');

	reg = new RegExp('['+RegExp.escape(this.env.delimiter)+']?[^'+RegExp.escape(this.env.delimiter)+']+$');
	this.name_input.__parent = this.env.subscriptionrows[id][0].replace(reg, '');
	this.name_input.onkeypress = function(e){ rcmail.name_input_keypress(e); };

	row.cells[0].replaceChild(this.name_input, row.cells[0].firstChild);
	this.edit_folder = id;
	this.name_input.select();

	if (form = this.gui_objects.editform)
	form.onsubmit = function(){ return false; };
	}
	};

	// remove the input field and write the current mailbox name to the table cell
	this.reset_folder_rename = function()
	{
	var cell = this.name_input ? this.name_input.parentNode : null;

	if (cell && this.edit_folder && this.env.subscriptionrows[this.edit_folder])
	$(cell).html(this.env.subscriptionrows[this.edit_folder][1]);

	this.edit_folder = null;
	};

	// handler for keyboard events on the input field
	this.name_input_keypress = function(e)
	{
	var key = rcube_event.get_keycode(e);

	// enter
	if (key==13)
	{
	var newname = this.name_input ? this.name_input.value : null;
	if (this.edit_folder && newname)
	{
	if (newname.indexOf(this.env.delimiter)>=0)
	{
	alert(this.get_label('forbiddencharacter')+' ('+this.env.delimiter+')');
	return false;
	}

	if (this.name_input.__parent)
	newname = this.name_input.__parent + this.env.delimiter + newname;

	this.set_busy(true, 'folderrenaming');
	this.http_post('rename-folder', '_folder_oldname='+urlencode(this.env.subscriptionrows[this.edit_folder][0])+'&_folder_newname='+urlencode(newname), true);
	}
	}
	// escape
	else if (key==27)
	this.reset_folder_rename();
	};

	// delete a specific mailbox with all its messages
	this.delete_folder = function(id)
	{
	var folder = this.env.subscriptionrows[id][0];

	if (this.edit_folder)
	this.reset_folder_rename();

	if (folder && confirm(this.get_label('deletefolderconfirm')))
	{
	this.set_busy(true, 'folderdeleting');
	this.http_post('delete-folder', '_mboxes='+urlencode(folder), true);
	this.set_env('folder', null);

	$(this.gui_objects.createfolderhint).html('');
	}
	};

	// add a new folder to the subscription list by cloning a folder row
	this.add_folder_row = function(name, display_name, replace, before)
	{
	if (!this.gui_objects.subscriptionlist)
	return false;

	// find not protected folder
	var refid;
	for (var rid in this.env.subscriptionrows)
	if (this.env.subscriptionrows[rid]!=null && !this.env.subscriptionrows[rid][2]) {
	refid = rid;
	break;
	}

	var refrow, form;
	var tbody = this.gui_objects.subscriptionlist.tBodies[0];
	var id = 'rcmrow'+(tbody.childNodes.length+1);
	var selection = this.subscription_list.get_single_selection();

	if (replace && replace.id)
	{
	id = replace.id;
	refid = replace.id;
	}

	if (!id \|\| !refid \|\| !(refrow = document.getElementById(refid)))
	{
	// Refresh page if we don't have a table row to clone
	this.goto_url('folders');
	return false;
	}
	else
	{
	// clone a table row if there are existing rows
	var row = this.clone_table_row(refrow);
	row.id = id;

	if (before && (before = this.get_folder_row_id(before)))
	tbody.insertBefore(row, document.getElementById(before));
	else
	tbody.appendChild(row);

	if (replace)
	tbody.removeChild(replace);
	}

	// add to folder/row-ID map
	this.env.subscriptionrows[row.id] = [name, display_name, 0];

	// set folder name
	row.cells[0].innerHTML = display_name;

	// set messages count to zero
	if (!replace)
	row.cells[1].innerHTML = '*';

	if (!replace && row.cells[2] && row.cells[2].firstChild.tagName.toLowerCase()=='input')
	{
	row.cells[2].firstChild.value = name;
	row.cells[2].firstChild.checked = true;
	}

	// add new folder to rename-folder list and clear input field
	if (!replace && (form = this.gui_objects.editform))
	{
	if (form.elements['_folder_oldname'])
	form.elements['_folder_oldname'].options[form.elements['_folder_oldname'].options.length] = new Option(name,name);
	if (form.elements['_folder_name'])
	form.elements['_folder_name'].value = '';
	}

	this.init_subscription_list();
	if (selection && document.getElementById('rcmrow'+selection))
	this.subscription_list.select_row(selection);

	if (document.getElementById(id).scrollIntoView)
	document.getElementById(id).scrollIntoView();
	};

	// replace an existing table row with a new folder line
	this.replace_folder_row = function(oldfolder, newfolder, display_name, before)
	{
	var id = this.get_folder_row_id(oldfolder);
	var row = document.getElementById(id);

	// replace an existing table row (if found)
	this.add_folder_row(newfolder, display_name, row, before);

	// rename folder in rename-folder dropdown
	var form, elm;
	if ((form = this.gui_objects.editform) && (elm = form.elements['_folder_oldname']))
	{
	for (var i=0;i<elm.options.length;i++)
	{
	if (elm.options[i].value == oldfolder)
	{
	elm.options[i].text = display_name;
	elm.options[i].value = newfolder;
	break;
	}
	}

	form.elements['_folder_newname'].value = '';
	}
	};

	// remove the table row of a specific mailbox from the table
	// (the row will not be removed, just hidden)
	this.remove_folder_row = function(folder)
	{
	var row;
	var id = this.get_folder_row_id(folder);
	if (id && (row = document.getElementById(id)))
	row.style.display = 'none';

	// remove folder from rename-folder list
	var form;
	if ((form = this.gui_objects.editform) && form.elements['_folder_oldname'])
	{
	for (var i=0;i<form.elements['_folder_oldname'].options.length;i++)
	{
	if (form.elements['_folder_oldname'].options[i].value == folder)
	{
	form.elements['_folder_oldname'].options[i] = null;
	break;
	}
	}
	}

	if (form && form.elements['_folder_newname'])
	form.elements['_folder_newname'].value = '';
	};

	this.subscribe_folder = function(folder)
	{
	if (folder)
	this.http_post('subscribe', '_mbox='+urlencode(folder));
	};

	this.unsubscribe_folder = function(folder)
	{
	if (folder)
	this.http_post('unsubscribe', '_mbox='+urlencode(folder));
	};

	this.enable_threading = function(folder)
	{
	if (folder)
	this.http_post('enable-threading', '_mbox='+urlencode(folder));
	};

	this.disable_threading = function(folder)
	{
	if (folder)
	this.http_post('disable-threading', '_mbox='+urlencode(folder));
	};


	// helper method to find a specific mailbox row ID
	this.get_folder_row_id = function(folder)
	{
	for (var id in this.env.subscriptionrows)
	if (this.env.subscriptionrows[id] && this.env.subscriptionrows[id][0] == folder)
	break;

	return id;
	};

	// duplicate a specific table row
	this.clone_table_row = function(row)
	{
	var cell, td;
	var new_row = document.createElement('tr');
	for(var n=0; n<row.cells.length; n++)
	{
	cell = row.cells[n];
	td = document.createElement('td');

	if (cell.className)
	td.className = cell.className;
	if (cell.align)
	td.setAttribute('align', cell.align);

	td.innerHTML = cell.innerHTML;
	new_row.appendChild(td);
	}

	return new_row;
	};


	/*********************************************************/
	/******* GUI functionality *******/
	/*********************************************************/

	// eable/disable buttons for page shifting
	this.set_page_buttons = function()
	{
	this.enable_command('nextpage', (this.env.pagecount > this.env.current_page));
	this.enable_command('lastpage', (this.env.pagecount > this.env.current_page));
	this.enable_command('previouspage', (this.env.current_page > 1));
	this.enable_command('firstpage', (this.env.current_page > 1));
	};

	// 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++) {
	var prop = this.buttons[cmd][i];
	var elm = document.getElementById(prop.id);
	if (!elm)
	continue;

	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 button to a specific state
	this.set_button = function(command, state)
	{
	var a_buttons = this.buttons[command];
	var button, obj;

	if(!a_buttons \|\| !a_buttons.length)
	return false;

	for(var n=0; n<a_buttons.length; n++)
	{
	button = a_buttons[n];
	obj = document.getElementById(button.id);

	// get default/passive setting of the button
	if (obj && 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 (obj && !button.status)
	button.pas = String(obj.className);

	// set image according to button state
	if (obj && button.type=='image' && button[state])
	{
	button.status = state;
	obj.src = button[state];
	}
	// set class name according to button state
	else if (obj && typeof(button[state])!='undefined')
	{
	button.status = state;
	obj.className = button[state];
	}
	// disable/enable input buttons
	if (obj && button.type=='input')
	{
	button.status = state;
	obj.disabled = !state;
	}
	}
	};

	// display a specific alttext
	this.set_alttext = function(command, label)
	{
	if (!this.buttons[command] \|\| !this.buttons[command].length)
	return;

	var button, obj, link;
	for (var n=0; n<this.buttons[command].length; n++)
	{
	button = this.buttons[command][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 a_buttons = this.buttons[command];
	var button, elm;

	if(!a_buttons \|\| !a_buttons.length)
	return false;

	for(var n=0; n<a_buttons.length; n++)
	{
	button = a_buttons[n];
	if(button.id==id && button.status=='act')
	{
	elm = document.getElementById(button.id);
	if (elm && button.over) {
	if (button.type == 'image')
	elm.src = button.over;
	else
	elm.className = button.over;
	}
	}
	}
	};

	// mouse down on button
	this.button_sel = function(command, id)
	{
	var a_buttons = this.buttons[command];
	var button, elm;

	if(!a_buttons \|\| !a_buttons.length)
	return;

	for(var n=0; n<a_buttons.length; n++)
	{
	button = a_buttons[n];
	if(button.id==id && button.status=='act')
	{
	elm = document.getElementById(button.id);
	if (elm && button.sel) {
	if (button.type == 'image')
	elm.src = button.sel;
	else
	elm.className = button.sel;
	}
	this.buttons_sel[id] = command;
	}
	}
	};

	// mouse out of button
	this.button_out = function(command, id)
	{
	var a_buttons = this.buttons[command];
	var button, elm;

	if(!a_buttons \|\| !a_buttons.length)
	return;

	for(var n=0; n<a_buttons.length; n++)
	{
	button = a_buttons[n];
	if(button.id==id && button.status=='act')
	{
	elm = document.getElementById(button.id);
	if (elm && button.act) {
	if (button.type == 'image')
	elm.src = button.act;
	else
	elm.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
	this.display_message = function(msg, type, hold)
	{
	if (!this.loaded) // save message in order to display after page loaded
	{
	this.pending_message = new Array(msg, type);
	return true;
	}

	// pass command to parent window
	if (this.env.framed && parent.rcmail)
	return parent.rcmail.display_message(msg, type, hold);

	if (!this.gui_objects.message)
	return false;

	if (this.message_timer)
	clearTimeout(this.message_timer);

	var cont = msg;
	if (type)
	cont = '<div class="'+type+'">'+cont+'</div>';

	var obj = $(this.gui_objects.message).html(cont).show();

	if (type!='loading')
	obj.bind('mousedown', function(){ ref.hide_message(); return true; });

	if (!hold)
	this.message_timer = window.setTimeout(function(){ ref.hide_message(true); }, this.message_time);
	};

	// make a message row disapear
	this.hide_message = function(fade)
	{
	if (this.gui_objects.message)
	$(this.gui_objects.message).unbind()[(fade?'fadeOut':'hide')]();
	};

	// mark a mailbox as selected and set environment variable
	this.select_folder = function(name, old, prefix)
	{
	if (this.gui_objects.folderlist)
	{
	var current_li, target_li;

	if ((current_li = this.get_folder_li(old, prefix))) {
	$(current_li).removeClass('selected').removeClass('unfocused');
	}
	if ((target_li = this.get_folder_li(name, prefix))) {
	$(target_li).removeClass('unfocused').addClass('selected');
	}

	// trigger event hook
	this.triggerEvent('selectfolder', { folder:name, old:old, prefix:prefix });
	}
	};

	// helper method to find a folder list item
	this.get_folder_li = function(name, prefix)
	{
	if (!prefix)
	prefix = 'rcmli';
	if (this.gui_objects.folderlist)
	{
	name = String(name).replace(this.identifier_expr, '_');
	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)
	{
	this.env.coltypes = coltypes;

	// set correct list titles
	var thead = this.gui_objects.messagelist ? this.gui_objects.messagelist.tHead : null;

	// replace old column headers
	if (thead && repl) {
	for (var cell, c=0; c < repl.length; c++) {
	cell = thead.rows[0].cells[c];
	if (!cell) {
	cell = document.createElement('td');
	thead.rows[0].appendChild(cell);
	}
	cell.innerHTML = repl[c].html;
	if (repl[c].id) cell.id = repl[c].id;
	if (repl[c].className) cell.className = repl[c].className;
	}
	}

	var cell, col, n;
	for (n=0; thead && n<this.env.coltypes.length; n++)
	{
	col = this.env.coltypes[n];
	if ((cell = thead.rows[0].cells[n+1]) && (col=='from' \|\| col=='to'))
	{
	// if we have links for sorting, it's a bit more complicated...
	if (cell.firstChild && cell.firstChild.tagName.toLowerCase()=='a')
	{
	cell.firstChild.innerHTML = this.get_label(this.env.coltypes[n]);
	cell.firstChild.onclick = function(){ return rcmail.command('sort', this.__col, this); };
	cell.firstChild.__col = col;
	}
	else
	cell.innerHTML = this.get_label(this.env.coltypes[n]);

	cell.id = 'rcm'+col;
	}
	}

	// remove excessive columns
	for (var i=n+1; thead && i<thead.rows[0].cells.length; i++)
	thead.rows[0].removeChild(thead.rows[0].cells[i]);

	this.env.subject_col = null;
	this.env.flagged_col = null;

	var found;
	if((found = jQuery.inArray('subject', this.env.coltypes)) >= 0) {
	this.set_env('subject_col', found);
	if (this.message_list)
	this.message_list.subject_col = found+1;
	}
	if((found = jQuery.inArray('flag', this.env.coltypes)) >= 0)
	this.set_env('flagged_col', found);
	};

	// replace content of row count display
	this.set_rowcount = function(text)
	{
	$(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 (content && this.gui_objects.quotadisplay) {
	if (typeof(content) == 'object')
	this.percent_indicator(this.gui_objects.quotadisplay, content);
	else
	$(this.gui_objects.quotadisplay).html(content);
	}
	};

	// update the mailboxlist
	this.set_unread_count = function(mbox, count, set_title)
	{
	if (!this.gui_objects.mailboxlist)
	return false;

	this.env.unread_counts[mbox] = count;
	this.set_unread_count_display(mbox, set_title);
	}

	// update the mailbox count display
	this.set_unread_count_display = function(mbox, set_title)
	{
	var reg, text_obj, item, mycount, childcount, div;
	if (item = this.get_folder_li(mbox))
	{
	mycount = this.env.unread_counts[mbox] ? this.env.unread_counts[mbox] : 0;
	text_obj = item.getElementsByTagName('a')[0];
	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.innerHTML.match(reg))
	text_obj.innerHTML = text_obj.innerHTML.replace(reg, ' ('+mycount+')');
	else if (mycount)
	text_obj.innerHTML += ' ('+mycount+')';
	else
	text_obj.innerHTML = text_obj.innerHTML.replace(reg, '');

	// 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 doc_title = String(document.title);
	var new_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);
	}
	};

	// notifies that a new message(s) has hit the mailbox
	this.new_message_focus = function()
	{
	// focus main window
	if (this.env.framed && window.parent)
	window.parent.focus();
	else
	window.focus();
	}

	this.toggle_prefer_html = function(checkbox)
	{
	var addrbook_show_images;
	if (addrbook_show_images = document.getElementById('rcmfd_addrbook_show_images'))
	addrbook_show_images.disabled = !checkbox.checked;
	}

	// 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();

	if (this.env.framed && parent.rcmail)
	parent.rcmail.set_busy(false);
	else
	this.set_busy(false);
	}
	};

	// display all-headers row and fetch raw message headers
	this.load_headers = function(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.hide_headers(elem); }

	// fetch headers only once
	if (!this.gui_objects.all_headers_box.innerHTML)
	{
	this.display_message(this.get_label('loading'), 'loading', true);
	this.http_post('headers', '_uid='+this.env.uid);
	}
	}

	// hide all-headers row
	this.hide_headers = function(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.load_headers(elem); }
	}

	// percent (quota) indicator
	this.percent_indicator = function(obj, data)
	{
	if (!data \|\| !obj)
	return false;

	var limit_high = 80;
	var limit_mid = 55;
	var width = data.width ? data.width : this.env.indicator_width ? this.env.indicator_width : 100;
	var height = data.height ? data.height : this.env.indicator_height ? this.env.indicator_height : 14;
	var quota = data.percent ? Math.abs(parseInt(data.percent)) : 0;
	var quota_width = parseInt(quota / 100 * width);
	var pos = $(obj).position();

	this.env.indicator_width = width;
	this.env.indicator_height = height;

	// overlimit
	if (quota_width > width) {
	quota_width = width;
	quota = 100;
	}

	// main div
	var main = $('<div>');
	main.css({position: 'absolute', top: pos.top, left: pos.left,
	width: width + 'px', height: height + 'px', zIndex: 100, lineHeight: height + 'px'})
	.attr('title', data.title).addClass('quota_text').html(quota + '%');
	// used bar
	var bar1 = $('<div>');
	bar1.css({position: 'absolute', top: pos.top + 1, left: pos.left + 1,
	width: quota_width + 'px', height: height + 'px', zIndex: 99});
	// background
	var bar2 = $('<div>');
	bar2.css({position: 'absolute', top: pos.top + 1, left: pos.left + 1,
	width: width + 'px', height: height + 'px', zIndex: 98})
	.addClass('quota_bg');

	if (quota >= limit_high) {
	main.addClass(' quota_text_high');
	bar1.addClass('quota_high');
	}
	else if(quota >= limit_mid) {
	main.addClass(' quota_text_mid');
	bar1.addClass('quota_mid');
	}
	else {
	main.addClass(' quota_text_normal');
	bar1.addClass('quota_low');
	}

	// replace quota image
	obj.innerHTML = '';
	$(obj).append(bar1).append(bar2).append(main);
	}

	/********************************************************/
	/******* html to text conversion functions *******/
	/********************************************************/

	this.html2plain = function(htmlText, id)
	{
	var url = this.env.bin_path+'html2text.php';
	var rcmail = this;

	this.set_busy(true, 'converting');
	console.log('HTTP POST: '+url);

	$.ajax({ type: 'POST', url: url, data: htmlText, contentType: 'application/octet-stream',
	error: function(o) { rcmail.http_error(o); },
	success: function(data) { rcmail.set_busy(false); $(document.getElementById(id)).val(data); console.log(data); }
	});
	}

	this.plain2html = function(plainText, id)
	{
	this.set_busy(true, 'converting');
	$(document.getElementById(id)).val('<pre>'+plainText+'</pre>');
	this.set_busy(false);
	}


	/********************************************************/
	/******* remote request methods *******/
	/********************************************************/

	this.redirect = function(url, lock)
	{
	if (lock \|\| lock === null)
	this.set_busy(true);

	if (this.env.framed && window.parent)
	parent.location.href = url;
	else
	location.href = url;
	};

	this.goto_url = function(action, query, lock)
	{
	var querystring = query ? '&'+query : '';
	this.redirect(this.env.comm_path+'&_action='+action+querystring, lock);
	};

	// send a http request to the server
	this.http_request = function(action, querystring, lock)
	{
	querystring += (querystring ? '&' : '') + '_remote=1';
	var url = this.env.comm_path + '&_action=' + action + '&' + querystring

	// send request
	console.log('HTTP GET: ' + url);
	jQuery.get(url, { _unlock:(lock?1:0) }, function(data){ ref.http_response(data); }, 'json');
	};

	// send a http POST request to the server
	this.http_post = function(action, postdata, lock)
	{
	var url = this.env.comm_path+'&_action=' + action;

	if (postdata && typeof(postdata) == 'object') {
	postdata._remote = 1;
	postdata._unlock = (lock ? 1 : 0);
	}
	else
	postdata += (postdata ? '&' : '') + '_remote=1' + (lock ? '&_unlock=1' : '');

	// send request
	console.log('HTTP POST: ' + url);
	jQuery.post(url, postdata, function(data){ ref.http_response(data); }, 'json');
	};

	// handle HTTP response
	this.http_response = function(response)
	{
	var console_msg = '';

	if (response.unlock)
	this.set_busy(false);

	// 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) {
	console.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 uid = this.contact_list.get_selection();
	this.enable_command('compose', (uid && this.contact_list.rows[uid]));
	this.enable_command('delete', 'edit', (uid && this.contact_list.rows[uid] && this.env.address_sources && !this.env.address_sources[this.env.source].readonly));
	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('reply', 'reply-all', 'forward', 'delete', 'mark', 'print', 'open', 'edit', 'viewsource', 'download', true);
	} else if (this.message_list)
	this.message_list.init();
	break;

	case 'purge':
	case 'expunge':
	if (!this.env.messagecount && this.task == 'mail') {
	// clear preview pane content
	if (this.env.contentframe)
	this.show_contentframe(false);
	// disable commands useless when mailbox is empty
	this.enable_command('show', 'reply', 'reply-all', 'forward', 'moveto', 'copy', 'delete',
	'mark', 'viewsource', 'open', 'edit', 'download', 'print', 'load-attachment',
	'purge', 'expunge', 'select-all', 'select-none', 'sort',
	'expand-all', 'expand-unread', 'collapse-all', false);
	}
	break;

	case 'check-recent':
	case 'getunread':
	case 'search':
	case 'list':
	if (this.task == 'mail') {
	if (this.message_list && (response.action == 'list' \|\| response.action == 'search')) {
	this.msglist_select(this.message_list);
	this.expand_threads();
	}
	this.enable_command('show', 'expunge', 'select-all', 'select-none', 'sort', (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')
	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') {
	this.enable_command('add-group', this.env.address_sources[this.env.source].groups);
	// disabeld for now: this.enable_command('rename-group', 'delete-group', this.env.address_sources[this.env.source].groups && this.env.group);
	this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
	}
	}
	break;
	}
	};

	// handle HTTP request errors
	this.http_error = function(request, status, err)
	{
	var errmsg = request.statusText;

	this.set_busy(false);
	request.abort();

	if (errmsg)
	this.display_message(this.get_label('servererror') + ' (' + errmsg + ')', 'error');
	};

	// use an image to send a keep-alive siganl to the server
	this.send_keep_alive = function()
	{
	var d = new Date();
	this.http_request('keep-alive', '_t='+d.getTime());
	};

	// start interval for keep-alive/recent_check signal
	this.start_keepalive = function()
	{
	if (this.env.keep_alive && !this.env.framed && this.task=='mail' && this.gui_objects.mailboxlist)
	this._int = setInterval(function(){ ref.check_for_recent(false); }, this.env.keep_alive * 1000);
	else if (this.env.keep_alive && !this.env.framed && this.task!='login')
	this._int = setInterval(function(){ ref.send_keep_alive(); }, this.env.keep_alive * 1000);
	}

	// send periodic request to check for recent messages
	this.check_for_recent = function(refresh)
	{
	if (this.busy)
	return;

	var addurl = '_t=' + (new Date().getTime());

	if (refresh) {
	this.set_busy(true, 'checkingmail');
	addurl += '&_refresh=1';
	}

	if (this.gui_objects.messagelist)
	addurl += '&_list=1';
	if (this.gui_objects.quotadisplay)
	addurl += '&_quota=1';
	if (this.env.search_request)
	addurl += '&_search=' + this.env.search_request;

	this.http_request('check-recent', addurl, true);
	};


	/********************************************************/
	/******* 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);
	};


	this.get_caret_pos = function(obj)
	{
	if (typeof(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;
	};

	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();
	}
	}

	// set all fields of a form disabled
	this.lock_form = function(form, lock)
	{
	if (!form \|\| !form.elements)
	return;

	var type;
	for (var n=0; n<form.elements.length; n++)
	{
	type = form.elements[n];
	if (type=='hidden')
	continue;

	form.elements[n].disabled = lock;
	}
	};

	} // end object rcube_webmail

	// 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;

File Metadata

Mime Type: text/x-diff
Expires: Thu, Dec 18, 10:36 AM (25 m, 50 s)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 418702
Default Alt Text: (157 KB)

No OneTemporaryActions

View Options

File Metadata

Event Timeline

No OneTemporary
Actions