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	diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
	index 9aff68b52..75c47dfe0 100644
	--- a/program/include/rcube_message.php
	+++ b/program/include/rcube_message.php
	@@ -1,440 +1,440 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/include/rcube_message.php \|
	\| \|
	\| This file is part of the RoundCube Webmail client \|
	\| Copyright (C) 2008, RoundCube Dev. - Switzerland \|
	\| Licensed under the GNU GPL \|
	\| \|
	\| PURPOSE: \|
	\| Logical representation of a mail message with all its data \|
	\| and related functions \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+

	$Id: rcube_imap.php 1344 2008-04-30 08:21:42Z thomasb $

	*/


	/**
	* Logical representation of a mail message with all its data
	* and related functions
	*
	* @package Mail
	* @author Thomas Bruederli <roundcube@gmail.com>
	*/
	class rcube_message
	{
	private $app;
	private $imap;
	private $opt = array();
	private $inline_parts = array();
	private $parse_alternative = false;

	public $uid = null;
	public $headers;
	public $structure;
	public $parts = array();
	public $mime_parts = array();
	public $attachments = array();
	public $subject = '';
	public $sender = null;
	public $is_safe = false;


	/**
	* __construct
	*
	* Provide a uid, and parse message structure.
	*
	* @param string $uid The message UID.
	*
	* @uses rcmail::get_instance()
	* @uses rcube_imap::decode_mime_string()
	* @uses self::set_safe()
	*
	* @see self::$app, self::$imap, self::$opt, self::$structure
	*/
	function __construct($uid)
	{
	$this->app = rcmail::get_instance();
	$this->imap = $this->app->imap;

	$this->uid = $uid;
	$this->headers = $this->imap->get_headers($uid);
	$this->subject = rcube_imap::decode_mime_string($this->headers->subject, $this->headers->charset);
	list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));

	$this->set_safe((intval($_GET['_safe']) \|\| $_SESSION['safe_messages'][$uid]));

	$this->opt = array(
	'safe' => $this->is_safe,
	'prefer_html' => $this->app->config->get('prefer_html'),
	'get_url' => rcmail_url('get', array('_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid))
	);

	if ($this->structure = $this->imap->get_structure($uid)) {
	$this->get_mime_numbers($this->structure);
	$this->parse_structure($this->structure);
	}
	else {
	$this->body = $this->imap->get_body($uid);
	}
	}


	/**
	* Return a (decoded) message header
	*
	* @param string Header name
	* @param bool Don't mime-decode the value
	* @return string Header value
	*/
	public function get_header($name, $raw = false)
	{
	$value = $this->headers->$name;
	return $raw ? $value : $this->imap->decode_header($value);
	}

	/**
	* Set is_safe var and session data
	*
	* @param bool enable/disable
	*/
	public function set_safe($safe = true)
	{
	$this->is_safe = $safe;
	$_SESSION['safe_messages'][$this->uid] = $this->is_safe;
	}

	/**
	* Compose a valid URL for getting a message part
	*
	* @param string Part MIME-ID
	* @return string URL or false if part does not exist
	*/
	public function get_part_url($mime_id)
	{
	if ($this->mime_parts[$mime_id])
	return $this->opt['get_url'] . "&_part=" . $mime_id;
	else
	return false;
	}


	/**
	* Get content of a specific part of this message
	*
	* @param string Part MIME-ID
	* @param resource File pointer to save the message part
	* @return string Part content
	*/
	public function get_part_content($mime_id, $fp=NULL)
	{
	if ($part = $this->mime_parts[$mime_id])
	return $this->imap->get_message_part($this->uid, $mime_id, $part, NULL, $fp);
	else
	return null;
	}


	/**
	* Determine if the message contains a HTML part
	*
	* @return bool True if a HTML is available, False if not
	*/
	function has_html_part()
	{
	// check all message parts
	foreach ($this->parts as $pid => $part) {
	$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
	if ($mimetype == 'text/html')
	return true;
	}

	return false;
	}

	/**
	* Return the first HTML part of this message
	*
	* @return string HTML message part content
	*/
	function first_html_part()
	{
	$html_part = null;

	// check all message parts
	foreach ($this->mime_parts as $mime_id => $part) {
	$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
	if ($mimetype == 'text/html') {
	$html_part = $this->imap->get_message_part($this->uid, $mime_id, $part);
	}
	}

	return $html_part;
	}


	/**
	* Return the first text part of this message
	*
	* @return string Plain text message/part content
	*/
	function first_text_part()
	{
	// no message structure, return complete body
	if (empty($this->parts))
	return $this->body;

	$out = null;

	// check all message parts
	foreach ($this->mime_parts as $mime_id => $part) {
	$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);

	if ($mimetype == 'text/plain') {
	$out = $this->imap->get_message_part($this->uid, $mime_id, $part);
	break;
	}
	else if ($mimetype == 'text/html') {
	$html_part = $this->imap->get_message_part($this->uid, $mime_id, $part);

	// remove special chars encoding
	$trans = array_flip(get_html_translation_table(HTML_ENTITIES));
	$html_part = strtr($html_part, $trans);

	// create instance of html2text class
	$txt = new html2text($html_part);
	$out = $txt->get_text();
	break;
	}
	}

	return $out;
	}


	/**
	* Raad the message structure returend by the IMAP server
	* and build flat lists of content parts and attachments
	*
	* @param object rcube_message_part Message structure node
	* @param bool True when called recursively
	*/
	private function parse_structure($structure, $recursive = false)
	{
	$message_ctype_primary = strtolower($structure->ctype_primary);
	$message_ctype_secondary = strtolower($structure->ctype_secondary);

	// show message headers
	if ($recursive && is_array($structure->headers) && isset($structure->headers['subject'])) {
	$c = new stdClass;
	$c->type = 'headers';
	$c->headers = &$structure->headers;
	$this->parts[] = $c;
	}

	// print body if message doesn't have multiple parts
	if ($message_ctype_primary == 'text' && !$recursive) {
	$structure->type = 'content';
	$this->parts[] = &$structure;
	}
	// the same for pgp signed messages
	else if ($message_ctype_primary == 'application' && $message_ctype_secondary == 'pgp' && !$recursive) {
	$structure->type = 'content';
	$this->parts[] = &$structure;
	}
	// message contains alternative parts
	else if ($message_ctype_primary == 'multipart' && ($message_ctype_secondary == 'alternative') && is_array($structure->parts)) {
	// get html/plaintext parts
	$plain_part = $html_part = $print_part = $related_part = null;

	foreach ($structure->parts as $p => $sub_part) {
	$rel_parts = $attachmnts = null;
	$sub_ctype_primary = strtolower($sub_part->ctype_primary);
	$sub_ctype_secondary = strtolower($sub_part->ctype_secondary);

	// check if sub part is
	if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='plain')
	$plain_part = $p;
	else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='html')
	$html_part = $p;
	else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
	$enriched_part = $p;
	else if ($sub_ctype_primary=='multipart' && ($sub_ctype_secondary=='related' \|\| $sub_ctype_secondary=='mixed'))
	$related_part = $p;
	}

	// parse related part (alternative part could be in here)
	if ($related_part !== null && !$this->parse_alternative) {
	$this->parse_alternative = true;
	$this->parse_structure($structure->parts[$related_part], true);
	$this->parse_alternative = false;

	// if plain part was found, we should unset it if html is preferred
	if ($this->opt['prefer_html'] && count($this->parts))
	$plain_part = null;
	}

	// choose html/plain part to print
	if ($html_part !== null && $this->opt['prefer_html']) {
	$print_part = &$structure->parts[$html_part];
	}
	else if ($enriched_part !== null) {
	$print_part = &$structure->parts[$enriched_part];
	}
	else if ($plain_part !== null) {
	$print_part = &$structure->parts[$plain_part];
	}

	// add the right message body
	if (is_object($print_part)) {
	$print_part->type = 'content';
	$this->parts[] = $print_part;
	}
	// show plaintext warning
	else if ($html_part !== null && empty($this->parts)) {
	$c = new stdClass;
	$c->type = 'content';
	$c->body = rcube_label('htmlmessage');
	$c->ctype_primary = 'text';
	$c->ctype_secondary = 'plain';

	$this->parts[] = $c;
	}

	// add html part as attachment
	if ($html_part !== null && $structure->parts[$html_part] !== $print_part) {
	$html_part = &$structure->parts[$html_part];
	$html_part->filename = rcube_label('htmlmessage');
	$html_part->mimetype = 'text/html';

	$this->attachments[] = $html_part;
	}
	}
	// this is an ecrypted message -> create a plaintext body with the according message
	else if ($message_ctype_primary == 'multipart' && $message_ctype_secondary == 'encrypted') {
	$p = new stdClass;
	$p->type = 'content';
	$p->ctype_primary = 'text';
	$p->ctype_secondary = 'plain';
	$p->body = rcube_label('encryptedmessage');

	$this->parts[] = $p;
	}
	// message contains multiple parts
	else if (is_array($structure->parts) && !empty($structure->parts)) {
	// iterate over parts
	for ($i=0; $i < count($structure->parts); $i++) {
	$mail_part = &$structure->parts[$i];
	$primary_type = strtolower($mail_part->ctype_primary);
	$secondary_type = strtolower($mail_part->ctype_secondary);

	// multipart/alternative
	if ($primary_type=='multipart') {
	$this->parse_structure($mail_part, true);
	}
	// part text/[plain\|html] OR message/delivery-status
	else if (($primary_type == 'text' && ($secondary_type == 'plain' \|\| $secondary_type == 'html') && $mail_part->disposition != 'attachment') \|\|
	($primary_type == 'message' && ($secondary_type == 'delivery-status' \|\| $secondary_type == 'disposition-notification'))) {

	// add text part if we're not in alternative mode or if it matches the prefs
	if (!$this->parse_alternative \|\|
	($secondary_type == 'html' && $this->opt['prefer_html']) \|\|
	($secondary_type == 'plain' && !$this->opt['prefer_html'])) {
	$mail_part->type = 'content';
	$this->parts[] = $mail_part;
	}

	// list as attachment as well
	if (!empty($mail_part->filename))
	$this->attachments[] = $mail_part;
	}
	// part message/*
	else if ($primary_type=='message') {
	$this->parse_structure($mail_part, true);

	// list as attachment as well (mostly .eml)
	if (!empty($mail_part->filename))
	$this->attachments[] = $mail_part;
	}
	// ignore "virtual" protocol parts
	else if ($primary_type == 'protocol')
	continue;

	// part is file/attachment
	else if ($mail_part->disposition == 'attachment' \|\| $mail_part->disposition == 'inline' \|\|
	$mail_part->headers['content-id'] \|\| (empty($mail_part->disposition) && $mail_part->filename)) {
	// skip apple resource forks
	if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile')
	continue;
	-
	- // part belongs to a related message
	- if ($message_ctype_secondary == 'related' && $mail_part->headers['content-id']) {
	+
	+ if ($message_ctype_secondary == 'related' && $mail_part->headers['content-id'])
	$mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
	- $this->inline_parts[] = $mail_part;
	- }
	- else if ($message_ctype_secondary == 'related' && $mail_part->headers['content-location']) {
	+ if ($message_ctype_secondary == 'related' && $mail_part->headers['content-location'])
	$mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];
	+
	+ // part belongs to a related message
	+ if ($mail_part->content_id \|\| $mail_part->content_location) {
	$this->inline_parts[] = $mail_part;
	}
	// is regular attachment
	else {
	if (!$mail_part->filename)
	$mail_part->filename = 'Part '.$mail_part->mime_id;
	$this->attachments[] = $mail_part;
	}
	}
	}

	// if this was a related part try to resolve references
	if ($message_ctype_secondary == 'related' && sizeof($this->inline_parts)) {
	$a_replaces = array();

	foreach ($this->inline_parts as $inline_object) {
	$part_url = $this->get_part_url($inline_object->mime_id);
	if ($inline_object->content_id)
	$a_replaces['cid:'.$inline_object->content_id] = $part_url;
	if ($inline_object->content_location)
	$a_replaces[$inline_object->content_location] = $part_url;
	}

	// add replace array to each content part
	// (will be applied later when part body is available)
	foreach ($this->parts as $i => $part) {
	if ($part->type == 'content')
	$this->parts[$i]->replaces = $a_replaces;
	}
	}
	}

	// message is single part non-text
	else if ($structure->filename) {
	$this->attachments[] = $structure;
	}
	}


	/**
	* Fill aflat array with references to all parts, indexed by part numbers
	*
	* @param object rcube_message_part Message body structure
	*/
	private function get_mime_numbers(&$part)
	{
	if (strlen($part->mime_id))
	$this->mime_parts[$part->mime_id] = &$part;

	if (is_array($part->parts))
	for ($i=0; $i<count($part->parts); $i++)
	$this->get_mime_numbers($part->parts[$i]);
	}


	}

	diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
	index 20c805a71..dc0a70834 100644
	--- a/program/steps/mail/func.inc
	+++ b/program/steps/mail/func.inc
	@@ -1,1386 +1,1386 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/mail/func.inc \|
	\| \|
	\| This file is part of the RoundCube Webmail client \|
	\| Copyright (C) 2005-2008, RoundCube Dev. - Switzerland \|
	\| Licensed under the GNU GPL \|
	\| \|
	\| PURPOSE: \|
	\| Provide webmail functionality and GUI objects \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+

	$Id$

	*/

	require_once('lib/enriched.inc');
	require_once('include/rcube_smtp.inc');


	$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]@[a-z0-9]([a-z0-9\-][.]?)[a-z0-9]\\.[a-z]{2,5})/i';

	// set imap properties and session vars
	if ($mbox = get_input_value('_mbox', RCUBE_INPUT_GPC))
	$IMAP->set_mailbox(($_SESSION['mbox'] = $mbox));
	else
	$_SESSION['mbox'] = $IMAP->get_mailbox_name();

	if (!empty($_GET['_page']))
	$IMAP->set_page(($_SESSION['page'] = intval($_GET['_page'])));

	// set default sort col/order to session
	if (!isset($_SESSION['sort_col']))
	$_SESSION['sort_col'] = $CONFIG['message_sort_col'];
	if (!isset($_SESSION['sort_order']))
	$_SESSION['sort_order'] = $CONFIG['message_sort_order'];

	// set message set for search result
	if (!empty($_REQUEST['_search']) && isset($_SESSION['search'][$_REQUEST['_search']]))
	{
	$IMAP->set_search_set($_SESSION['search'][$_REQUEST['_search']]);
	$OUTPUT->set_env('search_request', $_REQUEST['_search']);
	$OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
	}

	// set main env variables, labels and page title
	if (empty($RCMAIL->action) \|\| $RCMAIL->action == 'list')
	{
	$mbox_name = $IMAP->get_mailbox_name();

	if (empty($RCMAIL->action))
	{
	// initialize searching result if search_filter is used
	if ($_SESSION['search_filter'] && $_SESSION['search_filter'] != 'ALL')
	{
	$search_request = md5($mbox_name.$_SESSION['search_filter']);

	$IMAP->search($mbox_name, $_SESSION['search_filter'], RCMAIL_CHARSET, $_SESSION['sort_col']);
	$_SESSION['search'][$search_request] = $IMAP->get_search_set();
	$OUTPUT->set_env('search_request', $search_request);
	}
	}

	// set current mailbox in client environment
	$OUTPUT->set_env('mailbox', $mbox_name);
	$OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
	$OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());

	if ($CONFIG['trash_mbox'])
	$OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
	if ($CONFIG['drafts_mbox'])
	$OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
	if ($CONFIG['junk_mbox'])
	$OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);

	if (!$OUTPUT->ajax_call)
	$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash', 'movingmessage');

	$OUTPUT->set_pagetitle(rcmail_localize_foldername($mbox_name));
	}


	/**
	* return the message list as HTML table
	*/
	function rcmail_message_list($attrib)
	{
	global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT;

	$skin_path = $CONFIG['skin_path'];
	$image_tag = '<img src="%s%s" alt="%s" />';

	// check to see if we have some settings for sorting
	$sort_col = $_SESSION['sort_col'];
	$sort_order = $_SESSION['sort_order'];

	// add some labels to client
	$OUTPUT->add_label('from', 'to');

	// get message headers
	$a_headers = $IMAP->list_headers('', '', $sort_col, $sort_order);

	// add id to message list table if not specified
	if (!strlen($attrib['id']))
	$attrib['id'] = 'rcubemessagelist';

	// allow the following attributes to be added to the <table> tag
	$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));

	$out = '<table' . $attrib_str . ">\n";

	// define list of cols to be displayed based on parameter or config
	if (empty($attrib['columns']))
	$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
	else
	$a_show_cols = explode(',', strip_quotes($attrib['columns']));

	// store column list in a session-variable
	$_SESSION['list_columns'] = $a_show_cols;

	// define sortable columns
	$a_sort_cols = array('subject', 'date', 'from', 'to', 'size');

	$mbox = $IMAP->get_mailbox_name();

	// show 'to' instead of from in sent messages
	if (($mbox==$CONFIG['sent_mbox'] \|\| $mbox==$CONFIG['drafts_mbox']) && ($f = array_search('from', $a_show_cols))
	&& !array_search('to', $a_show_cols))
	$a_show_cols[$f] = 'to';

	// add col definition
	$out .= '<colgroup>';
	$out .= '<col class="icon" />';

	foreach ($a_show_cols as $col)
	$out .= ($col!='attachment') ? sprintf('<col class="%s" />', $col) : '<col class="icon" />';

	$out .= "</colgroup>\n";

	// add table title
	$out .= "<thead><tr>\n<td class=\"icon\"> </td>\n";

	$javascript = '';
	foreach ($a_show_cols as $col)
	{
	// get column name
	switch ($col)
	{
	case 'flag':
	$col_name = sprintf($image_tag, $skin_path, $attrib['unflaggedicon'], '');
	break;
	case 'attachment':
	$col_name = sprintf($image_tag, $skin_path, $attrib['attachmenticon'], '');
	break;
	default:
	$col_name = Q(rcube_label($col));
	}

	// make sort links
	$sort = '';
	if (in_array($col, $a_sort_cols))
	{
	// have buttons configured
	if (!empty($attrib['sortdescbutton']) \|\| !empty($attrib['sortascbutton']))
	{
	$sort = '  ';

	// asc link
	if (!empty($attrib['sortascbutton']))
	{
	$sort .= $OUTPUT->button(array(
	'command' => 'sort',
	'prop' => $col.'_ASC',
	'image' => $attrib['sortascbutton'],
	'align' => 'absmiddle',
	'title' => 'sortasc'));
	}

	// desc link
	if (!empty($attrib['sortdescbutton']))
	{
	$sort .= $OUTPUT->button(array(
	'command' => 'sort',
	'prop' => $col.'_DESC',
	'image' => $attrib['sortdescbutton'],
	'align' => 'absmiddle',
	'title' => 'sortdesc'));
	}
	}
	// just add a link tag to the header
	else
	{
	$col_name = sprintf(
	'<a href="./#sort" onclick="return %s.command(\'sort\',\'%s\',this)" title="%s">%s</a>',
	JS_OBJECT_NAME,
	$col,
	rcube_label('sortby'),
	$col_name);
	}
	}

	$sort_class = $col==$sort_col ? " sorted$sort_order" : '';

	// put it all together
	if ($col!='attachment')
	$out .= '<td class="'.$col.$sort_class.'" id="rcm'.$col.'">' . "$col_name$sort</td>\n";
	else
	$out .= '<td class="icon" id="rcm'.$col.'">' . "$col_name$sort</td>\n";
	}

	$out .= "</tr></thead>\n<tbody>\n";

	// no messages in this mailbox
	if (!sizeof($a_headers))
	$OUTPUT->show_message('nomessagesfound', 'notice');


	$a_js_message_arr = array();

	// create row for each message
	foreach ($a_headers as $i => $header) //while (list($i, $header) = each($a_headers))
	{
	$message_icon = $attach_icon = $flagged_icon = '';
	$js_row_arr = array();
	$zebra_class = $i%2 ? ' even' : ' odd';

	// set messag attributes to javascript array
	if ($header->deleted)
	$js_row_arr['deleted'] = true;
	if (!$header->seen)
	$js_row_arr['unread'] = true;
	if ($header->answered)
	$js_row_arr['replied'] = true;
	if ($header->forwarded)
	$js_row_arr['forwarded'] = true;
	if ($header->flagged)
	$js_row_arr['flagged'] = true;

	// set message icon
	if ($attrib['deletedicon'] && $header->deleted)
	$message_icon = $attrib['deletedicon'];
	else if ($attrib['repliedicon'] && $header->answered)
	{
	if ($attrib['forwardedrepliedicon'] && $header->forwarded)
	$message_icon = $attrib['forwardedrepliedicon'];
	else
	$message_icon = $attrib['repliedicon'];
	}
	else if ($attrib['forwardedicon'] && $header->forwarded)
	$message_icon = $attrib['forwardedicon'];
	else if ($attrib['unreadicon'] && !$header->seen)
	$message_icon = $attrib['unreadicon'];
	else if ($attrib['messageicon'])
	$message_icon = $attrib['messageicon'];

	if ($attrib['flaggedicon'] && $header->flagged)
	$flagged_icon = $attrib['flaggedicon'];
	else if ($attrib['unflaggedicon'] && !$header->flagged)
	$flagged_icon = $attrib['unflaggedicon'];

	// set attachment icon
	if ($attrib['attachmenticon'] && preg_match("/multipart\/m/i", $header->ctype))
	$attach_icon = $attrib['attachmenticon'];

	$out .= sprintf('<tr id="rcmrow%d" class="message%s%s%s%s">'."\n",
	$header->uid,
	$header->seen ? '' : ' unread',
	$header->deleted ? ' deleted' : '',
	$header->flagged ? ' flagged' : '',
	$zebra_class);

	$out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');


	if (!empty($header->charset))
	$IMAP->set_charset($header->charset);

	// format each col
	foreach ($a_show_cols as $col)
	{
	if ($col=='from' \|\| $col=='to')
	$cont = Q(rcmail_address_string($header->$col, 3, false, $attrib['addicon']), 'show');
	else if ($col=='subject')
	{
	$action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
	$uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draft_uid' : '_uid';
	$cont = abbreviate_string(trim($IMAP->decode_header($header->$col)), 160);
	if (empty($cont)) $cont = rcube_label('nosubject');
	$cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), Q($cont));
	}
	else if ($col=='flag')
	$cont = $flagged_icon ? sprintf($image_tag, $skin_path, $flagged_icon, '') : '';
	else if ($col=='size')
	$cont = show_bytes($header->$col);
	else if ($col=='date')
	$cont = format_date($header->date);
	else
	$cont = Q($header->$col);

	if ($col!='attachment')
	$out .= '<td class="'.$col.'">' . $cont . "</td>\n";
	else
	$out .= sprintf("<td class=\"icon\">%s</td>\n", $attach_icon ? sprintf($image_tag, $skin_path, $attach_icon, '') : '');
	}

	$out .= "</tr>\n";

	if (sizeof($js_row_arr))
	$a_js_message_arr[$header->uid] = $js_row_arr;
	}

	// complete message table
	$out .= "</tbody></table>\n";

	$message_count = $IMAP->messagecount();

	// set client env
	$OUTPUT->add_gui_object('mailcontframe', 'mailcontframe');
	$OUTPUT->add_gui_object('messagelist', $attrib['id']);
	$OUTPUT->set_env('messagecount', $message_count);
	$OUTPUT->set_env('current_page', $IMAP->list_page);
	$OUTPUT->set_env('pagecount', ceil($message_count/$IMAP->page_size));
	$OUTPUT->set_env('sort_col', $sort_col);
	$OUTPUT->set_env('sort_order', $sort_order);

	if ($attrib['messageicon'])
	$OUTPUT->set_env('messageicon', $skin_path . $attrib['messageicon']);
	if ($attrib['deletedicon'])
	$OUTPUT->set_env('deletedicon', $skin_path . $attrib['deletedicon']);
	if ($attrib['unreadicon'])
	$OUTPUT->set_env('unreadicon', $skin_path . $attrib['unreadicon']);
	if ($attrib['repliedicon'])
	$OUTPUT->set_env('repliedicon', $skin_path . $attrib['repliedicon']);
	if ($attrib['forwardedicon'])
	$OUTPUT->set_env('forwardedicon', $skin_path . $attrib['forwardedicon']);
	if ($attrib['forwardedrepliedicon'])
	$OUTPUT->set_env('forwardedrepliedicon', $skin_path . $attrib['forwardedrepliedicon']);
	if ($attrib['attachmenticon'])
	$OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
	if ($attrib['flaggedicon'])
	$OUTPUT->set_env('flaggedicon', $skin_path . $attrib['flaggedicon']);
	if ($attrib['unflaggedicon'])
	$OUTPUT->set_env('unflaggedicon', $skin_path . $attrib['unflaggedicon']);

	$OUTPUT->set_env('messages', $a_js_message_arr);
	$OUTPUT->set_env('coltypes', $a_show_cols);

	$OUTPUT->include_script('list.js');

	return $out;
	}


	/**
	* return javascript commands to add rows to the message list
	*/
	function rcmail_js_message_list($a_headers, $insert_top=FALSE)
	{
	global $CONFIG, $IMAP, $OUTPUT;

	if (empty($_SESSION['list_columns']))
	$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
	else
	$a_show_cols = $_SESSION['list_columns'];

	$mbox = $IMAP->get_mailbox_name();

	// show 'to' instead of from in sent messages
	if (($mbox == $CONFIG['sent_mbox'] \|\| $mbox == $CONFIG['drafts_mbox'])
	&& (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
	$a_show_cols[$f] = 'to';

	$OUTPUT->command('set_message_coltypes', $a_show_cols);

	// loop through message headers
	foreach ($a_headers as $n => $header)
	{
	$a_msg_cols = array();
	$a_msg_flags = array();

	if (empty($header))
	continue;

	if (!empty($header->charset))
	$IMAP->set_charset($header->charset);

	// remove 'attachment' and 'flag' columns, we don't need them here
	if(($key = array_search('attachment', $a_show_cols)) !== FALSE)
	unset($a_show_cols[$key]);
	if(($key = array_search('flag', $a_show_cols)) !== FALSE)
	unset($a_show_cols[$key]);

	// format each col; similar as in rcmail_message_list()
	foreach ($a_show_cols as $col)
	{
	if ($col=='from' \|\| $col=='to')
	$cont = Q(rcmail_address_string($header->$col, 3), 'show');
	else if ($col=='subject')
	{
	$action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
	$uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draft_uid' : '_uid';
	$cont = abbreviate_string(trim($IMAP->decode_header($header->$col)), 160);
	if (!$cont) $cont = rcube_label('nosubject');
	$cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), Q($cont));
	}
	else if ($col=='size')
	$cont = show_bytes($header->$col);
	else if ($col=='date')
	$cont = format_date($header->date);
	else
	$cont = Q($header->$col);

	$a_msg_cols[$col] = $cont;
	}

	$a_msg_flags['deleted'] = $header->deleted ? 1 : 0;
	$a_msg_flags['unread'] = $header->seen ? 0 : 1;
	$a_msg_flags['replied'] = $header->answered ? 1 : 0;
	$a_msg_flags['forwarded'] = $header->forwarded ? 1 : 0;
	$a_msg_flags['flagged'] = $header->flagged ? 1 : 0;

	$OUTPUT->command('add_message_row',
	$header->uid,
	$a_msg_cols,
	$a_msg_flags,
	preg_match("/multipart\/m/i", $header->ctype),
	$insert_top);
	}
	}


	/**
	* return an HTML iframe for loading mail content
	*/
	function rcmail_messagecontent_frame($attrib)
	{
	global $OUTPUT;

	if (empty($attrib['id']))
	$attrib['id'] = 'rcmailcontentwindow';

	$attrib['name'] = $attrib['id'];

	$OUTPUT->set_env('contentframe', $attrib['id']);
	$OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');

	return html::iframe($attrib);
	}


	/**
	*
	*/
	function rcmail_messagecount_display($attrib)
	{
	global $IMAP, $OUTPUT;

	if (!$attrib['id'])
	$attrib['id'] = 'rcmcountdisplay';

	$OUTPUT->add_gui_object('countdisplay', $attrib['id']);

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


	/**
	*
	*/
	function rcmail_quota_display($attrib)
	{
	global $OUTPUT, $COMM_PATH;

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

	if(isset($attrib['display']))
	$_SESSION['quota_display'] = $attrib['display'];

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

	return html::span($attrib, rcmail_quota_content(NULL, $attrib));
	}


	/**
	*
	*/
	function rcmail_quota_content($quota=NULL, $attrib=NULL)
	{
	global $IMAP, $COMM_PATH, $RCMAIL;

	$display = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';

	if (is_array($quota) && !empty($quota['used']) && !empty($quota['total']))
	{
	if (!isset($quota['percent']))
	$quota['percent'] = $quota['used'] / $quota['total'];
	}
	elseif (!$IMAP->get_capability('QUOTA'))
	return rcube_label('unknown');
	else
	$quota = $IMAP->get_quota();

	if ($quota && !($quota['total']==0 && $RCMAIL->config->get('quota_zero_as_unlimited')))
	{
	$quota_text = sprintf('%s / %s (%.0f%%)',
	show_bytes($quota['used'] * 1024),
	show_bytes($quota['total'] * 1024),
	$quota['percent']);

	// show quota as image (by Brett Patterson)
	if ($display == 'image' && function_exists('imagegif'))
	{
	if (!$attrib['width'])
	$attrib['width'] = isset($_SESSION['quota_width']) ? $_SESSION['quota_width'] : 100;
	else
	$_SESSION['quota_width'] = $attrib['width'];

	if (!$attrib['height'])
	$attrib['height'] = isset($_SESSION['quota_height']) ? $_SESSION['quota_height'] : 14;
	else
	$_SESSION['quota_height'] = $attrib['height'];

	$quota_text = sprintf('<img src="./bin/quotaimg.php?u=%s&q=%d&w=%d&h=%d" width="%d" height="%d" alt="%s" title="%s / %s" />',
	$quota['used'], $quota['total'],
	$attrib['width'], $attrib['height'],
	$attrib['width'], $attrib['height'],
	$quota_text,
	show_bytes($quota['used'] * 1024),
	show_bytes($quota['total'] * 1024));
	}
	}
	else
	$quota_text = rcube_label('unlimited');

	return $quota_text;
	}


	/**
	*
	*/
	function rcmail_get_messagecount_text($count=NULL, $page=NULL)
	{
	global $IMAP, $MESSAGE;

	if (isset($MESSAGE->index))
	{
	return rcube_label(array('name' => 'messagenrof',
	'vars' => array('nr' => $MESSAGE->index+1,
	'count' => $count!==NULL ? $count : $IMAP->messagecount())));
	}

	if ($page===NULL)
	$page = $IMAP->list_page;

	$start_msg = ($page-1) * $IMAP->page_size + 1;
	$max = $count!==NULL ? $count : $IMAP->messagecount();

	if ($max==0)
	$out = rcube_label('mailboxempty');
	else
	$out = rcube_label(array('name' => 'messagesfromto',
	'vars' => array('from' => $start_msg,
	'to' => min($max, $start_msg + $IMAP->page_size - 1),
	'count' => $max)));

	return Q($out);
	}

	/**
	*
	*/
	function rcmail_mailbox_name_display($attrib)
	{
	global $RCMAIL;

	if (!$attrib['id'])
	$attrib['id'] = 'rcmmailboxname';

	$RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);

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

	function rcmail_get_mailbox_name_text()
	{
	global $RCMAIL;
	return rcmail_localize_foldername($RCMAIL->imap->get_mailbox_name());
	}


	/**
	* Convert the given message part to proper HTML
	* which can be displayed the message view
	*
	* @param object rcube_message_part Message part
	* @param bool True if external objects (ie. images ) are allowed
	* @param bool True if part should be converted to plaintext
	* @return string Formatted HTML string
	*/
	function rcmail_print_body($part, $p = array())
	{
	global $REMOTE_OBJECTS;

	$p += array('safe' => false, 'plain' => false, 'inline_html' => true);

	// convert html to text/plain
	if ($part->ctype_secondary == 'html' && $p['plain']) {
	$txt = new html2text($part->body, false, true);
	$body = $txt->get_text();
	$part->ctype_secondary = 'plain';
	}
	// text/html
	else if ($part->ctype_secondary == 'html') {
	$html = $part->body;

	// special replacements (not properly handled by washtml class)
	$html_search = array(
	'/(<\/nobr>)(\s+)(<nobr>)/i', // space(s) between <NOBR>
	'/(<[\/]*st1:[^>]+>)/i', // Microsoft's Smart Tags <ST1>
	'/<title>.*<\/title>/i', // PHP bug #32547 workaround: remove title tag
	'/<html[^>]*>/im', // malformed html: remove html tags (#1485139)
	'/<\/html>/i', // malformed html: remove html tags (#1485139)
	'/^[\xFE\xFF\xBB\xBF\x00]+((?:<\!doctype\|\<html))/im', // remove byte-order mark (only outlook?)
	);
	$html_replace = array(
	'\\1'.'   '.'\\3',
	'',
	'',
	'',
	'\\1',
	'',
	);
	$html = preg_replace($html_search, $html_replace, $html);

	// charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly
	$charset_pattern = '/(\s+content=[\'"]?\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i';
	if (preg_match($charset_pattern, $html)) {
	$html = preg_replace($charset_pattern, '\\1='.RCMAIL_CHARSET, $html);
	}
	else {
	// add head for malformed messages, washtml cannot work without that
	if (!preg_match('/<head[^>]>(.)<\/head>/Uims', $html))
	$html = '<head></head>'. $html;
	- $html = substr_replace($html, '<meta http-equiv="Content-Type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '</head>')), 0);
	+ $html = substr_replace($html, '<meta http-equiv="content-type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '<head>')+6), 0);
	}

	// clean HTML with washhtml by Frederic Motte
	$wash_opts = array(
	'show_washed' => false,
	'allow_remote' => $p['safe'],
	'blocked_src' => "./program/blocked.gif",
	'charset' => RCMAIL_CHARSET,
	'cid_map' => $part->replaces,
	'html_elements' => array('body'),
	);

	if (!$p['inline_html']) {
	$wash_opts['html_elements'] = array('html','head','title','body');
	}

	$washer = new washtml($wash_opts);
	$washer->add_callback('form', 'rcmail_washtml_callback');

	if ($p['safe']) { // allow CSS styles, will be sanitized by rcmail_washtml_callback()
	$washer->add_callback('style', 'rcmail_washtml_callback');
	}

	$body = $washer->wash($html);
	$REMOTE_OBJECTS = $washer->extlinks;

	return $body;
	}
	// text/enriched
	else if ($part->ctype_secondary=='enriched') {
	$part->ctype_secondary = 'html';
	return Q(enriched_to_html($part->body), 'show');
	}
	else
	$body = $part->body;


	/** assert plaintext **/

	// make links and email-addresses clickable
	$convert_patterns = $convert_replaces = $replace_strings = array();

	$url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
	$url_chars_within = '\?\.~,!';

	$convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
	$convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', \$replace_strings)";

	$convert_patterns[] = "/([^\/:]\|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
	$convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', \$replace_strings)";

	$convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]@[a-z0-9]([a-z0-9\-][.]?)[a-z0-9]\\.[a-z]{2,5})/ie';
	$convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";

	// search for patterns like links and e-mail addresses
	$body = preg_replace($convert_patterns, $convert_replaces, $body);

	// split body into single lines
	$a_lines = preg_split('/\r?\n/', $body);
	$quote_level = 0;

	// colorize quoted parts
	for ($n=0; $n < sizeof($a_lines); $n++) {
	$line = $a_lines[$n];
	$quotation = '';
	$q = 0;

	if (preg_match('/^(>+\s*)+/', $line, $regs)) {
	$q = strlen(preg_replace('/\s/', '', $regs[0]));
	$line = substr($line, strlen($regs[0]));

	if ($q > $quote_level)
	$quotation = str_repeat('<blockquote>', $q - $quote_level);
	else if ($q < $quote_level)
	$quotation = str_repeat("</blockquote>", $quote_level - $q);
	}
	else if ($quote_level > 0)
	$quotation = str_repeat("</blockquote>", $quote_level);

	$quote_level = $q;
	$a_lines[$n] = $quotation . Q($line, 'replace', false); // htmlquote plaintext
	}

	// insert the links for urls and mailtos
	$body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));

	return "<div class=\"pre\">".$body."\n</div>";
	}

	/**
	* add a string to the replacement array and return a replacement string
	*/
	function rcmail_str_replacement($str, &$rep)
	{
	static $count = 0;
	$rep[$count] = stripslashes($str);
	return "##string_replacement{".($count++)."}##";
	}


	/**
	* Callback function for washtml cleaning class
	*/
	function rcmail_washtml_callback($tagname, $attrib, $content)
	{
	switch ($tagname) {
	case 'form':
	$out = html::div('form', $content);
	break;

	case 'style':
	// decode all escaped entities and reduce to ascii strings
	$stripped = preg_replace('/[^a-zA-Z\(:]/', '', rcmail_xss_entitiy_decode($content));

	// now check for evil strings like expression, behavior or url()
	if (!preg_match('/expression\|behavior\|url\(\|import/', $stripped)) {
	$out = html::tag('style', array('type' => 'text/css'), $content);
	break;
	}

	default:
	$out = '';
	}

	return $out;
	}


	/**
	* return table with message headers
	*/
	function rcmail_message_headers($attrib, $headers=NULL)
	{
	global $IMAP, $OUTPUT, $MESSAGE, $PRINT_MODE, $CONFIG;
	static $sa_attrib;

	// keep header table attrib
	if (is_array($attrib) && !$sa_attrib)
	$sa_attrib = $attrib;
	else if (!is_array($attrib) && is_array($sa_attrib))
	$attrib = $sa_attrib;


	if (!isset($MESSAGE))
	return FALSE;

	// get associative array of headers object
	if (!$headers)
	$headers = is_object($MESSAGE->headers) ? get_object_vars($MESSAGE->headers) : $MESSAGE->headers;

	$header_count = 0;

	// allow the following attributes to be added to the <table> tag
	$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
	$out = '<table' . $attrib_str . ">\n";

	// show these headers
	$standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'replyto', 'date');

	foreach ($standard_headers as $hkey)
	{
	if (!$headers[$hkey])
	continue;

	if ($hkey == 'date')
	{
	if ($PRINT_MODE)
	$header_value = format_date($headers[$hkey], $CONFIG['date_long'] ? $CONFIG['date_long'] : 'x');
	else
	$header_value = format_date($headers[$hkey]);
	}
	else if ($hkey == 'replyto')
	{
	if ($headers['replyto'] != $headers['from'])
	$header_value = Q(rcmail_address_string($headers['replyto'], null, true, $attrib['addicon']), 'show');
	else
	continue;
	}
	else if (in_array($hkey, array('from', 'to', 'cc', 'bcc')))
	$header_value = Q(rcmail_address_string($headers[$hkey], null, true, $attrib['addicon']), 'show');
	else if ($hkey == 'subject' && empty($headers[$hkey]))
	$header_value = Q(rcube_label('nosubject'));
	else
	$header_value = Q(trim($IMAP->decode_header($headers[$hkey])));

	$out .= "\n<tr>\n";
	$out .= '<td class="header-title">'.Q(rcube_label($hkey)).": </td>\n";
	$out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
	$header_count++;
	}

	// all headers division
	$out .= "\n".'<tr><td colspan="2" class="more-headers show-headers"
	onclick="return '.JS_OBJECT_NAME.'.command(\'load-headers\', \'\', this)"></td></tr>';
	$out .= "\n".'<tr id="all-headers"><td colspan="2" class="all"><div id="headers-source"></div></td></tr>';

	$OUTPUT->add_gui_object('all_headers_row', 'all-headers');
	$OUTPUT->add_gui_object('all_headers_box', 'headers-source');

	$out .= "\n</table>\n\n";

	return $header_count ? $out : '';
	}


	/**
	* Handler for the 'messagebody' GUI object
	*
	* @param array Named parameters
	* @return string HTML content showing the message body
	*/
	function rcmail_message_body($attrib)
	{
	global $CONFIG, $OUTPUT, $MESSAGE, $IMAP, $REMOTE_OBJECTS;

	if (!is_array($MESSAGE->parts) && empty($MESSAGE->body))
	return '';

	if (!$attrib['id'])
	$attrib['id'] = 'rcmailMsgBody';

	$safe_mode = $MESSAGE->is_safe \|\| intval($_GET['_safe']);
	$out = '';

	$header_attrib = array();
	foreach ($attrib as $attr => $value)
	if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
	$header_attrib[$regs[1]] = $value;

	if (!empty($MESSAGE->parts))
	{
	foreach ($MESSAGE->parts as $i => $part)
	{
	if ($part->type == 'headers')
	$out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part->headers);
	else if ($part->type == 'content')
	{
	if (empty($part->ctype_parameters) \|\| empty($part->ctype_parameters['charset']))
	$part->ctype_parameters['charset'] = $MESSAGE->headers->charset;

	// fetch part if not available
	if (!isset($part->body))
	$part->body = $MESSAGE->get_part_content($part->mime_id);

	$body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$CONFIG['prefer_html']));

	if ($part->ctype_secondary == 'html')
	$out .= html::div('message-htmlpart', rcmail_html4inline($body, $attrib['id']));
	else
	$out .= html::div('message-part', $body);
	}
	}
	}
	else
	$out .= html::div('message-part', html::div('pre', Q($MESSAGE->body)));


	$ctype_primary = strtolower($MESSAGE->structure->ctype_primary);
	$ctype_secondary = strtolower($MESSAGE->structure->ctype_secondary);

	// list images after mail body
	if ($CONFIG['inline_images']
	&& $ctype_primary == 'multipart'
	&& !empty($MESSAGE->attachments)
	&& !strstr($message_body, '<html'))
	{
	foreach ($MESSAGE->attachments as $attach_prop) {
	if (strpos($attach_prop->mimetype, 'image/') === 0) {
	$out .= html::tag('hr') . html::p(array('align' => "center"),
	html::img(array(
	'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
	'title' => $attach_prop->filename,
	'alt' => $attach_prop->filename,
	)));
	}
	}
	}

	// tell client that there are blocked remote objects
	if ($REMOTE_OBJECTS && !$safe_mode)
	$OUTPUT->set_env('blockedobjects', true);

	return html::div($attrib, $out);
	}



	/**
	* modify a HTML message that it can be displayed inside a HTML page
	*/
	function rcmail_html4inline($body, $container_id)
	{
	$base_url = "";
	$last_style_pos = 0;
	$body_lc = strtolower($body);

	// check for <base href>
	if (preg_match(($base_reg = '/(<base.href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]>)/i'), $body, $base_regs))
	$base_url = $base_regs[2];

	// find STYLE tags
	while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
	{
	$pos = strpos($body_lc, '>', $pos)+1;

	// replace all css definitions with #container [def]
	$styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id, $base_url);

	$body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
	$body_lc = strtolower($body);
	$last_style_pos = $pos2;
	}

	// resolve <base href>
	if ($base_url)
	{
	$body = preg_replace('/(src\|background\|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2\|\s\|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
	$body = preg_replace('/(url\s*$)(["\']?)([\.\/]+[^"\'$\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
	$body = preg_replace($base_reg, '', $body);
	}

	// modify HTML links to open a new window if clicked
	$body = preg_replace('/<(a\|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body);

	// add comments arround html and other tags
	$out = preg_replace(array(
	'/(<!DOCTYPE[^>]*>)/i',
	'/(<\?xml[^>]*>)/i',
	'/(<\/?html[^>]*>)/i',
	'/(<\/?head[^>]*>)/i',
	'/(<title[^>]>.<\/title>)/Ui',
	'/(<\/?meta[^>]*>)/i'),
	'<!--\\1-->',
	$body);

	$out = preg_replace(
	array('/<body([^>]*)>/i', '/<\/body>/i'),
	array('<div class="rcmBody"\\1>', '</div>'),
	$out);

	// quote <? of php and xml files that are specified as text/html
	$out = preg_replace(array('/<\?/', '/\?>/'), array('<?', '?>'), $out);

	return $out;
	}


	/**
	* parse link attributes and set correct target
	*/
	function rcmail_alter_html_link($tag, $attrs, $container_id)
	{
	$attrib = parse_attrib_string($attrs);
	$end = '>';

	if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
	$attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&c=" . urlencode($container_id);
	$end = ' />';
	}
	else if (stristr((string)$attrib['href'], 'mailto:')) {
	$attrib['onclick'] = sprintf(
	"return %s.command('compose','%s',this)",
	JS_OBJECT_NAME,
	JQ(substr($attrib['href'], 7)));
	}
	else if (!empty($attrib['href']) && $attrib['href'][0] != '#') {
	$attrib['target'] = '_blank';
	}

	return "<$tag" . html::attrib_string($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . $end;
	}


	/**
	* decode address string and re-format it as HTML links
	*/
	function rcmail_address_string($input, $max=null, $linked=false, $addicon=null)
	{
	global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $EMAIL_ADDRESS_PATTERN;

	$a_parts = $IMAP->decode_address_list($input);

	if (!sizeof($a_parts))
	return $input;

	$c = count($a_parts);
	$j = 0;
	$out = '';

	foreach ($a_parts as $part) {
	$j++;
	if ($PRINT_MODE) {
	$out .= sprintf('%s <%s>', Q($part['name']), $part['mailto']);
	}
	else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto'])) {
	if ($linked) {
	$out .= html::a(array(
	'href' => 'mailto:'.$part['mailto'],
	'onclick' => sprintf("return %s.command('compose','%s',this)", JS_OBJECT_NAME, JQ($part['mailto'])),
	'title' => $part['mailto'],
	'class' => "rcmContactAddress",
	),
	Q($part['name']));
	}
	else {
	$out .= html::span(array('title' => $part['mailto'], 'class' => "rcmContactAddress"), Q($part['name']));
	}

	if ($addicon) {
	$out .= ' ' . html::a(array(
	'href' => "#add",
	'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, urlencode($part['string'])),
	'title' => rcube_label('addtoaddressbook'),
	),
	html::img(array(
	'src' => $CONFIG['skin_path'] . $addicon,
	'alt' => "Add contact",
	)));
	}
	}
	else {
	if ($part['name'])
	$out .= Q($part['name']);
	if ($part['mailto'])
	$out .= (strlen($out) ? ' ' : '') . sprintf('<%s>', Q($part['mailto']));
	}

	if ($c>$j)
	$out .= ','.($max ? ' ' : ' ');

	if ($max && $j==$max && $c>$j) {
	$out .= '...';
	break;
	}
	}

	return $out;
	}


	/**
	* Wrap text to a given number of characters per line
	* but respect the mail quotation of replies messages (>)
	*
	* @param string Text to wrap
	* @param int The line width
	* @return string The wrapped text
	*/
	function rcmail_wrap_quoted($text, $max = 76)
	{
	// Rebuild the message body with a maximum of $max chars, while keeping quoted message.
	$lines = preg_split('/\r?\n/', trim($text));
	$out = '';

	foreach ($lines as $line) {
	if (strlen($line) > $max) {
	if (preg_match('/^([>\s]+)/', $line, $regs)) {
	$length = strlen($regs[0]);
	$prefix = substr($line, 0, $length);

	// Remove '> ' from the line, then wordwrap() the line
	$line = wordwrap(substr($line, $length), $max - $length);

	// Rebuild the line with '> ' at the beginning of each 'subline'
	$newline = '';
	foreach (explode("\n", $line) as $l) {
	$newline .= $prefix . $l . "\n";
	}

	// Remove the righest newline char
	$line = rtrim($newline);
	}
	else {
	$line = wordwrap($line, $max);
	}
	}

	// Append the line
	$out .= $line . "\n";
	}

	return $out;
	}


	function rcmail_message_part_controls()
	{
	global $MESSAGE;

	$part = asciiwords(get_input_value('_part', RCUBE_INPUT_GPC));
	if (!is_object($MESSAGE) \|\| !is_array($MESSAGE->parts) \|\| !($_GET['_uid'] && $_GET['_part']) \|\| !$MESSAGE->mime_parts[$part])
	return '';

	$part = $MESSAGE->mime_parts[$part];
	$table = new html_table(array('cols' => 3));

	if (!empty($part->filename)) {
	$table->add('title', Q(rcube_label('filename')));
	$table->add(null, Q($part->filename));
	$table->add(null, '[' . html::a('?'.str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']), Q(rcube_label('download'))) . ']');
	}

	if (!empty($part->size)) {
	$table->add('title', Q(rcube_label('filesize')));
	$table->add(null, Q(show_bytes($part->size)));
	}

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



	function rcmail_message_part_frame($attrib)
	{
	global $MESSAGE;

	$part = $MESSAGE->mime_parts[asciiwords(get_input_value('_part', RCUBE_INPUT_GPC))];
	$ctype_primary = strtolower($part->ctype_primary);

	$attrib['src'] = './?' . str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']);

	return html::iframe($attrib);
	}


	/**
	* clear message composing settings
	*/
	function rcmail_compose_cleanup()
	{
	if (!isset($_SESSION['compose']))
	return;

	// remove attachment files from temp dir
	if (is_array($_SESSION['compose']['attachments']))
	foreach ($_SESSION['compose']['attachments'] as $attachment)
	@unlink($attachment['path']);

	unset($_SESSION['compose']);
	}


	/**
	* Send the given message compose object using the configured method
	*/
	function rcmail_deliver_message(&$message, $from, $mailto)
	{
	global $CONFIG, $RCMAIL;

	$msg_body = $message->get();
	$headers = $message->headers();

	// send thru SMTP server using custom SMTP library
	if ($CONFIG['smtp_server'])
	{
	// generate list of recipients
	$a_recipients = array($mailto);

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

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

	// send message
	$smtp_response = array();
	$sent = smtp_mail($from, $a_recipients, ($foo = $message->txtHeaders($send_headers, true)), $msg_body, $smtp_response);

	// log error
	if (!$sent)
	raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
	'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
	}

	// send mail using PHP's mail() function
	else
	{
	// unset some headers because they will be added by the mail() function
	$headers_enc = $message->headers($headers);
	$headers_php = $message->_headers;
	unset($headers_php['To'], $headers_php['Subject']);

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

	if (ini_get('safe_mode'))
	$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
	else
	$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
	}

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

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

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

	return $sent;
	}


	function rcmail_send_mdn($uid)
	{
	global $RCMAIL, $IMAP;

	$message = new rcube_message($uid);

	if ($message->headers->mdn_to && !$message->headers->mdn_sent && $IMAP->check_permflag('MDNSENT'))
	{
	$identity = $RCMAIL->user->get_identity();
	$sender = format_email_recipient($identity['email'], $identity['name']);
	$recipient = array_shift($IMAP->decode_address_list($message->headers->mdn_to));
	$mailto = $recipient['mailto'];

	$compose = new rcube_mail_mime($RCMAIL->config->header_delimiter());
	$compose->setParam(array(
	'text_encoding' => 'quoted-printable',
	'html_encoding' => 'quoted-printable',
	'head_encoding' => 'quoted-printable',
	'head_charset' => RCMAIL_CHARSET,
	'html_charset' => RCMAIL_CHARSET,
	'text_charset' => RCMAIL_CHARSET,
	));

	// compose headers array
	$headers = array(
	'Date' => date('r'),
	'From' => $sender,
	'To' => $message->headers->mdn_to,
	'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
	'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])),
	'X-Sender' => $identity['email'],
	'Content-Type' => 'multipart/report; report-type=disposition-notification',
	);

	if ($agent = $RCMAIL->config->get('useragent'))
	$headers['User-Agent'] = $agent;

	$body = rcube_label("yourmessage") . "\r\n\r\n" .
	"\t" . rcube_label("to") . ': ' . rcube_imap::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" .
	"\t" . rcube_label("subject") . ': ' . $message->subject . "\r\n" .
	"\t" . rcube_label("sent") . ': ' . format_date($message->headers->date, $RCMAIL->config->get('date_long')) . "\r\n" .
	"\r\n" . rcube_label("receiptnote") . "\r\n";

	$ua = $RCMAIL->config->get('useragent', "RoundCube Webmail (Version ".RCMAIL_VERSION.")");
	$report = "Reporting-UA: $ua\r\n";

	if ($message->headers->to)
	$report .= "Original-Recipient: {$message->headers->to}\r\n";

	$report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
	"Original-Message-ID: {$message->headers->messageID}\r\n" .
	"Disposition: manual-action/MDN-sent-manually; displayed\r\n";

	$compose->headers($headers);
	$compose->setTXTBody(wordwrap($body, 75, "\r\n"));
	$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');

	$sent = rcmail_deliver_message($compose, $identity['email'], $mailto);

	if ($sent)
	{
	$IMAP->set_flag($message->uid, 'MDNSENT');
	return true;
	}
	}

	return false;
	}


	function rcmail_search_filter($attrib)
	{
	global $OUTPUT;

	if (!strlen($attrib['id']))
	$attrib['id'] = 'rcmlistfilter';

	$attrib['onchange'] = JS_OBJECT_NAME.'.filter_mailbox(this.value)';

	/*
	RFC3501 (6.4.4): 'ALL', 'RECENT',
	'ANSWERED', 'DELETED', 'FLAGGED', 'SEEN',
	'UNANSWERED', 'UNDELETED', 'UNFLAGGED', 'UNSEEN',
	'NEW', // = (RECENT UNSEEN)
	'OLD' // = NOT RECENT
	*/

	$select_filter = new html_select($attrib);
	$select_filter->add(rcube_label('all'), 'ALL');
	$select_filter->add(rcube_label('unread'), 'UNSEEN');
	$select_filter->add(rcube_label('flagged'), 'FLAGGED');
	$select_filter->add(rcube_label('unanswered'), 'UNANSWERED');

	$out = $select_filter->show($_SESSION['search_filter']);

	$OUTPUT->add_gui_object('search_filter', $attrib['id']);

	return $out;
	}

	// register UI objects
	$OUTPUT->add_handlers(array(
	'mailboxlist' => 'rcmail_mailbox_list',
	'messages' => 'rcmail_message_list',
	'messagecountdisplay' => 'rcmail_messagecount_display',
	'quotadisplay' => 'rcmail_quota_display',
	'mailboxname' => 'rcmail_mailbox_name_display',
	'messageheaders' => 'rcmail_message_headers',
	'messagebody' => 'rcmail_message_body',
	'messagecontentframe' => 'rcmail_messagecontent_frame',
	'messagepartframe' => 'rcmail_message_part_frame',
	'messagepartcontrols' => 'rcmail_message_part_controls',
	'searchfilter' => 'rcmail_search_filter',
	'searchform' => array($OUTPUT, 'search_form'),
	));

	?>

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