From 7ae5432fbfc0e923f2fe8dc62ff77afb8ecc80cf Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 30 May 2012 04:42:27 -0400
Subject: [PATCH] Abbreviate long attachment file names with ellipsis (#1488499)

---
 program/js/app.js | 1078 ++++++++++++++++++++++++++++++++++-------------------------
 1 files changed, 621 insertions(+), 457 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index c0da943..cb27275 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -3,9 +3,12 @@
  | Roundcube Webmail Client Script                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
  | Copyright (C) 2011, Kolab Systems AG                                  |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  +-----------------------------------------------------------------------+
  | Authors: Thomas Bruederli <roundcube@gmail.com>                       |
@@ -30,6 +33,7 @@
   this.command_handlers = {};
   this.onloads = [];
   this.messages = {};
+  this.group2expand = {};
 
   // create protected reference to myself
   this.ref = 'rcmail';
@@ -37,7 +41,7 @@
 
   // webmail client settings
   this.dblclick_time = 500;
-  this.message_time = 2000;
+  this.message_time = 4000;
 
   this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');
 
@@ -50,9 +54,10 @@
 
   // set jQuery ajax options
   $.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); }
+    cache: false,
+    timeout: this.env.request_timeout * 1000,
+    error: function(request, status, err){ ref.http_error(request, status, err); },
+    beforeSend: function(xmlhttp){ xmlhttp.setRequestHeader('X-Roundcube-Request', ref.env.request_token); }
   });
 
   // set environment variable(s)
@@ -128,22 +133,38 @@
   // initialize webmail client
   this.init = function()
   {
-    var p = this;
+    var n, p = this;
     this.task = this.env.task;
 
     // check browser
-    if (!bw.dom || !bw.xmlhttp_test()) {
+    if (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9)) {
       this.goto_url('error', '_code=0x199');
       return;
     }
 
     // find all registered gui containers
-    for (var n in this.gui_containers)
+    for (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)
+    for (n in this.gui_objects)
       this.gui_objects[n] = rcube_find_object(this.gui_objects[n]);
+
+    // clickjacking protection
+    if (this.env.x_frame_options) {
+      try {
+        // bust frame if not allowed
+        if (this.env.x_frame_options == 'deny' && top.location.href != self.location.href)
+          top.location.href = self.location.href;
+        else if (top.location.hostname != self.location.hostname)
+          throw 1;
+      } catch (e) {
+        // possible clickjacking attack: disable all form elements
+        $('form').each(function(){ ref.lock_form(this, true); });
+        this.display_message("Blocked: possible clickjacking attack!", 'error');
+        return;
+      }
+    }
 
     // init registered buttons
     this.init_buttons();
@@ -155,7 +176,7 @@
     }
 
     // enable general commands
-    this.enable_command('logout', 'mail', 'addressbook', 'settings', 'save-pref', 'compose', 'undo', true);
+    this.enable_command('logout', 'mail', 'addressbook', 'settings', 'save-pref', 'compose', 'undo', 'about', 'switch-task', true);
 
     if (this.env.permaurl)
       this.enable_command('permaurl', true);
@@ -200,19 +221,19 @@
           $(this.gui_objects.qsearchbox).focusin(function() { rcmail.message_list.blur(); });
         }
 
-        if (!this.env.flag_for_deletion && this.env.trash_mailbox && this.env.mailbox != this.env.trash_mailbox)
-          this.set_alttext('delete', 'movemessagetotrash');
+        this.set_button_titles();
 
         this.env.message_commands = ['show', 'reply', 'reply-all', 'reply-list', 'forward',
           'moveto', 'copy', 'delete', 'open', 'mark', 'edit', 'viewsource', 'download',
-          'print', 'load-attachment', 'load-headers', 'forward-attachment'];
+          'print', 'load-attachment', 'show-headers', 'hide-headers', 'forward-attachment'];
 
         if (this.env.action == 'show' || this.env.action == 'preview') {
           this.enable_command(this.env.message_commands, this.env.uid);
           this.enable_command('reply-list', this.env.list_post);
 
           if (this.env.action == 'show') {
-            this.http_request('pagenav', '_uid='+this.env.uid+'&_mbox='+urlencode(this.env.mailbox),
+            this.http_request('pagenav', '_uid='+this.env.uid+'&_mbox='+urlencode(this.env.mailbox)
+              + (this.env.search_request ? '&_search='+this.env.search_request : ''),
               this.display_message('', 'loading'));
           }
 
@@ -229,19 +250,20 @@
           }
         }
         else if (this.env.action == 'compose') {
-          this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel', 'toggle-editor'];
+          this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel', 'toggle-editor', 'list-adresses'];
 
           if (this.env.drafts_mailbox)
             this.env.compose_commands.push('savedraft')
 
           this.enable_command(this.env.compose_commands, 'identities', true);
 
+          // add more commands (not enabled)
+          $.merge(this.env.compose_commands, ['add-recipient', 'firstpage', 'previouspage', 'nextpage', 'lastpage']);
+
           if (this.env.spellcheck) {
-            this.env.spellcheck.spelling_state_observer = function(s){ ref.set_spellcheck_state(s); };
+            this.env.spellcheck.spelling_state_observer = function(s) { ref.spellcheck_state(); };
             this.env.compose_commands.push('spellcheck')
-            this.set_spellcheck_state('ready');
-            if ($("input[name='_is_html']").val() == '1')
-              this.display_spellcheck_controls(false);
+            this.enable_command('spellcheck', true);
           }
 
           document.onmouseup = function(e){ return p.doc_mouse_up(e); };
@@ -252,7 +274,7 @@
         // show printing dialog
         else if (this.env.action == 'print' && this.env.uid)
           if (bw.safari)
-            window.setTimeout('window.print()', 10);
+            setTimeout('window.print()', 10);
           else
             window.print();
 
@@ -261,6 +283,20 @@
           this.env.unread_counts = {};
           this.gui_objects.folderlist = this.gui_objects.mailboxlist;
           this.http_request('getunread', '');
+        }
+
+        // init address book widget
+        if (this.gui_objects.contactslist) {
+          this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
+            { multiselect:true, draggable:false, keyboard:false });
+          this.contact_list.addEventListener('select', function(o){ ref.compose_recipient_select(o); });
+          this.contact_list.addEventListener('dblclick', function(o){ ref.compose_add_recipient('to'); });
+          this.contact_list.init();
+        }
+
+        if (this.gui_objects.addressbookslist) {
+          this.gui_objects.folderlist = this.gui_objects.addressbookslist;
+          this.enable_command('list-adresses', true);
         }
 
         // ask user to send MDN
@@ -337,8 +373,11 @@
           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', 'toggle-editor', true);
+          this.enable_command('save', 'edit', 'toggle-editor', true);
+          this.enable_command('delete', this.env.identities_level < 2);
+
+          if (this.env.action == 'add-identity')
+            $("input[type='text']").first().select();
         }
         else if (this.env.action == 'folders') {
           this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', true);
@@ -380,14 +419,17 @@
           $('#rcmloginpwd').focus();
 
         // detect client timezone
-        var tz = new Date().getTimezoneOffset() / -60;
-        var stdtz = new Date().getStdTimezoneOffset() / -60;
+        var dt = new Date(),
+          tz = dt.getTimezoneOffset() / -60,
+          stdtz = dt.getStdTimezoneOffset() / -60;
+
         $('#rcmlogintz').val(stdtz);
         $('#rcmlogindst').val(tz > stdtz ? 1 : 0);
 
         // display 'loading' message on form submit, lock submit button
         $('form').submit(function () {
           $('input[type=submit]', this).prop('disabled', true);
+          rcmail.clear_messages();
           rcmail.display_message('', 'loading');
         });
 
@@ -442,7 +484,7 @@
   // execute a specific command on the web client
   this.command = function(command, props, obj)
   {
-    var ret;
+    var ret, uid, cid, url, flag;
 
     if (obj && obj.blur)
       obj.blur();
@@ -504,6 +546,10 @@
         this.switch_task(command);
         break;
 
+      case 'about':
+        location.href = '?_task=settings&_action=about';
+        break;
+
       case 'permaurl':
         if (obj && obj.href && obj.target)
           return true;
@@ -517,7 +563,6 @@
         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;
@@ -525,20 +570,14 @@
         break;
 
       case 'list':
-        this.reset_qsearch();
+        if (props && props != '')
+          this.reset_qsearch();
         if (this.task == 'mail') {
           this.list_mailbox(props);
-
-          if (this.env.trash_mailbox && !this.env.flag_for_deletion)
-            this.set_alttext('delete', this.env.mailbox != this.env.trash_mailbox ? 'movemessagetotrash' : 'deletemessage');
+          this.set_button_titles();
         }
-        else if (this.task == 'addressbook') {
+        else if (this.task == 'addressbook')
           this.list_contacts(props);
-        }
-        break;
-
-      case 'load-headers':
-        this.load_headers(obj);
         break;
 
       case 'sort':
@@ -586,7 +625,7 @@
       // common commands used in multiple tasks
       case 'show':
         if (this.task == 'mail') {
-          var uid = this.get_single_uid();
+          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);
@@ -595,7 +634,7 @@
           }
         }
         else if (this.task == 'addressbook') {
-          var cid = props ? props : this.get_single_cid();
+          cid = props ? props : this.get_single_cid();
           if (cid && !(this.env.action == 'show' && cid == this.env.cid))
             this.load_contact(cid, 'show');
         }
@@ -611,13 +650,12 @@
         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=';
+          url = (this.env.mailbox == this.env.drafts_mailbox) ? '_draft_uid=' : '_uid=';
           this.goto_url('compose', url+cid+'&_mbox='+urlencode(this.env.mailbox), true);
         }
         break;
@@ -695,7 +733,7 @@
         if (props && !props._row)
           break;
 
-        var uid, flag = 'read';
+        flag = 'read';
 
         if (props._row.uid) {
           uid = props._row.uid;
@@ -715,7 +753,7 @@
         if (props && !props._row)
           break;
 
-        var uid, flag = 'flagged';
+        flag = 'flagged';
 
         if (props._row.uid) {
           uid = props._row.uid;
@@ -728,8 +766,8 @@
 
       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);
+          this.add_contact(this.env.sender);
+          setTimeout(function(){ ref.command('load-images'); }, 300);
           break;
         }
 
@@ -747,7 +785,7 @@
             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);
+            setTimeout(function(){ ref.attachment_win.focus(); }, 10);
             break;
           }
         }
@@ -811,12 +849,15 @@
         break;
 
       case 'compose':
-        var url = this.url('mail/compose');
+        url = this.url('mail/compose');
 
         if (this.task == 'mail') {
           url += '&_mbox='+urlencode(this.env.mailbox);
           if (props)
              url += '&_to='+urlencode(props);
+          // also send search request so we can go back to search result after message is sent
+          if (this.env.search_request)
+            url += '&_search='+this.env.search_request;
         }
         // modify url if we're in addressbook
         else if (this.task == 'addressbook') {
@@ -852,29 +893,40 @@
         break;
 
       case 'spellcheck':
-        if (window.tinyMCE && tinyMCE.get(this.env.composebody)) {
-          tinyMCE.execCommand('mceSpellCheck', true);
+        if (this.spellcheck_state()) {
+          this.stop_spellchecking();
         }
-        else if (this.env.spellcheck && this.env.spellcheck.spellCheck && this.spellcheck_ready) {
-          this.env.spellcheck.spellCheck();
-          this.set_spellcheck_state('checking');
+        else {
+          if (window.tinyMCE && tinyMCE.get(this.env.composebody)) {
+            tinyMCE.execCommand('mceSpellCheck', true);
+          }
+          else if (this.env.spellcheck && this.env.spellcheck.spellCheck) {
+            this.env.spellcheck.spellCheck();
+          }
         }
+        this.spellcheck_state();
         break;
 
       case 'savedraft':
+        var form = this.gui_objects.messageform, msgid;
+
         // Reset the auto-save timer
-        self.clearTimeout(this.save_timer);
+        clearTimeout(this.save_timer);
 
-        if (!this.gui_objects.messageform)
+        // saving Drafts is disabled
+        if (!form)
           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())
+        // compose form did not change
+        if (this.cmp_hash == this.compose_field_hash()) {
+          this.auto_save_start();
           break;
+        }
 
-        var form = this.gui_objects.messageform,
-          msgid = this.set_busy(true, 'savingmessage');
+        // re-set keep-alive timeout
+        this.start_keepalive();
+
+        msgid = this.set_busy(true, 'savingmessage');
 
         form.target = "savetarget";
         form._draft.value = '1';
@@ -886,11 +938,11 @@
         if (!this.gui_objects.messageform)
           break;
 
-        if (!this.check_compose_input())
+        if (!props.nocheck && !this.check_compose_input(command))
           break;
 
         // Reset the auto-save timer
-        self.clearTimeout(this.save_timer);
+        clearTimeout(this.save_timer);
 
         // all checks passed, send message
         var lang = this.spellcheck_lang(),
@@ -903,27 +955,33 @@
         form.action = this.add_url(form.action, '_lang', lang);
         form.submit();
 
-        // clear timeout (sending could take longer)
-        clearTimeout(this.request_timer);
         break;
 
       case 'send-attachment':
         // Reset the auto-save timer
-        self.clearTimeout(this.save_timer);
+        clearTimeout(this.save_timer);
 
-        this.upload_file(props)
+        this.upload_file(props || this.gui_objects.uploadform);
         break;
 
       case 'insert-sig':
         this.change_identity($("[name='_from']")[0], true);
         break;
 
+      case 'list-adresses':
+        this.list_contacts(props);
+        this.enable_command('add-recipient', false);
+        break;
+
+      case 'add-recipient':
+        this.compose_add_recipient(props);
+        break;
+
       case 'reply-all':
       case 'reply-list':
       case 'reply':
-        var uid;
         if (uid = this.get_single_uid()) {
-          var url = '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
+          url = '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
           if (command == 'reply-all')
             // do reply-list, when list is detected and popup menu wasn't used 
             url += '&_all=' + (!props && this.commands['reply-list'] ? 'list' : 'all');
@@ -936,7 +994,6 @@
 
       case 'forward-attachment':
       case 'forward':
-        var uid, url;
         if (uid = this.get_single_uid()) {
           url = '_forward_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
           if (command == 'forward-attachment' || (!props && this.env.forward_attachment))
@@ -946,11 +1003,10 @@
         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);
+            setTimeout(function(){ ref.printwin.focus(); }, 20);
             if (this.env.action != 'show')
               this.mark_message('read', uid);
           }
@@ -958,16 +1014,14 @@
         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);
+            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;
@@ -1027,7 +1081,7 @@
         break;
 
       case 'upload-photo':
-        this.upload_contact_photo(props);
+        this.upload_contact_photo(props || this.gui_objects.uploadform);
         break;
 
       case 'delete-photo':
@@ -1049,7 +1103,7 @@
       default:
         var func = command.replace(/-/g, '_');
         if (this[func] && typeof this[func] === 'function') {
-          ret = this[func](props);
+          ret = this[func](props, obj);
         }
         break;
     }
@@ -1064,10 +1118,10 @@
   // set command(s) enabled or disabled
   this.enable_command = function()
   {
-    var args = Array.prototype.slice.call(arguments),
+    var i, n, args = Array.prototype.slice.call(arguments),
       enable = args.pop(), cmd;
 
-    for (var n=0; n<args.length; n++) {
+    for (n=0; n<args.length; n++) {
       cmd = args[n];
       // argument of type array
       if (typeof cmd === 'string') {
@@ -1076,7 +1130,7 @@
       }
       // push array elements into commands array
       else {
-        for (var i in cmd)
+        for (i in cmd)
           args.push(cmd[i]);
       }
     }
@@ -1101,14 +1155,6 @@
 
     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 id;
   };
@@ -1148,19 +1194,12 @@
     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.is_framed())
       parent.rcmail.reload(delay);
     else if (delay)
-      window.setTimeout(function(){ rcmail.reload(); }, delay);
+      setTimeout(function(){ rcmail.reload(); }, delay);
     else if (window.location)
       location.href = this.env.comm_path + (this.env.action ? '&_action='+this.env.action : '');
   };
@@ -1201,6 +1240,24 @@
       this.env[prop.env] = prop.value;
 
     this.http_post('save-pref', request);
+  };
+
+  this.html_identifier = function(str, encode)
+  {
+    str = String(str);
+    if (encode)
+      return Base64.encode(str).replace(/=+$/, '').replace(/\+/g, '-').replace(/\//g, '_');
+    else
+      return str.replace(this.identifier_expr, '_');
+  };
+
+  this.html_identifier_decode = function(str)
+  {
+    str = String(str).replace(/-/g, '+').replace(/_/g, '/');
+
+    while (str.length % 4) str += '=';
+
+    return Base64.decode(str);
   };
 
 
@@ -1249,13 +1306,14 @@
       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();
+      var k, li, height,
+        list = $(this.gui_objects.folderlist);
+        pos = list.offset();
+
       this.env.folderlist_coords = { x1:pos.left, y1:pos.top, x2:pos.left + list.width(), y2:pos.top + list.height() };
 
       this.env.folder_coords = [];
-      for (var k in model) {
+      for (k in model) {
         if (li = this.get_folder_li(k)) {
           // only visible folders
           if (height = li.firstChild.offsetHeight) {
@@ -1274,7 +1332,7 @@
     this.env.last_folder_target = null;
 
     if (this.folder_auto_timer) {
-      window.clearTimeout(this.folder_auto_timer);
+      clearTimeout(this.folder_auto_timer);
       this.folder_auto_timer = null;
       this.folder_auto_expand = null;
     }
@@ -1291,19 +1349,18 @@
   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, check, oldclass,
-        layerclass = 'draglayernormal';
+      var k, li, div, check, oldclass,
+        layerclass = 'draglayernormal',
+        mouse = rcube_event.get_mouse_pos(e),
+        pos = this.env.folderlist_coords,
+        // offsets to compensate for scrolling while dragging a message
+        boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop,
+        moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;
 
       if (this.contact_list && this.contact_list.draglayer)
         oldclass = this.contact_list.draglayer.attr('class');
 
-      mouse = rcube_event.get_mouse_pos(e);
-      pos = this.env.folderlist_coords;
-      mouse.y += toffset;
+      mouse.y += -moffset-boffset;
 
       // if mouse pointer is outside of folderlist
       if (mouse.x < pos.x1 || mouse.x >= pos.x2 || mouse.y < pos.y1 || mouse.y >= pos.y2) {
@@ -1318,25 +1375,25 @@
       }
 
       // over the folders
-      for (var k in this.env.folder_coords) {
+      for (k in this.env.folder_coords) {
         pos = this.env.folder_coords[k];
         if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.y >= pos.y1 && mouse.y < pos.y2){
-         if ((check = this.check_droptarget(k))) {
+          if ((check = this.check_droptarget(k))) {
             li = this.get_folder_li(k);
             div = $(li.getElementsByTagName('div')[0]);
 
             // if the folder is collapsed, expand it after 1sec and restart the drag & drop process.
             if (div.hasClass('collapsed')) {
               if (this.folder_auto_timer)
-                window.clearTimeout(this.folder_auto_timer);
+                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);
+              this.folder_auto_expand = this.env.mailboxes[k].id;
+              this.folder_auto_timer = setTimeout(function() {
+                rcmail.command('collapse-folder', rcmail.folder_auto_expand);
+                rcmail.drag_start(null);
+              }, 1000);
             } else if (this.folder_auto_timer) {
-              window.clearTimeout(this.folder_auto_timer);
+              clearTimeout(this.folder_auto_timer);
               this.folder_auto_timer = null;
               this.folder_auto_expand = null;
             }
@@ -1360,31 +1417,30 @@
     }
   };
 
-  this.collapse_folder = function(id)
+  this.collapse_folder = function(name)
   {
-    var li = this.get_folder_li(id),
-      div = $(li.getElementsByTagName('div')[0]);
-
-    if (!div || (!div.hasClass('collapsed') && !div.hasClass('expanded')))
-      return;
-
-    var ul = $(li.getElementsByTagName('ul')[0]);
+    var li = this.get_folder_li(name, '', true),
+      div = $('div:first', li),
+      ul = $('ul:first', li);
 
     if (div.hasClass('collapsed')) {
       ul.show();
       div.removeClass('collapsed').addClass('expanded');
-      var reg = new RegExp('&'+urlencode(id)+'&');
+      var reg = new RegExp('&'+urlencode(name)+'&');
       this.env.collapsed_folders = this.env.collapsed_folders.replace(reg, '');
     }
-    else {
+    else if (div.hasClass('expanded')) {
       ul.hide();
       div.removeClass('expanded').addClass('collapsed');
-      this.env.collapsed_folders = this.env.collapsed_folders+'&'+urlencode(id)+'&';
+      this.env.collapsed_folders = this.env.collapsed_folders+'&'+urlencode(name)+'&';
 
-      // 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);
+      // select the folder if one of its childs is currently selected
+      // don't select if it's virtual (#1488346)
+      if (this.env.mailbox.indexOf(name + this.env.delimiter) == 0 && !$(li).hasClass('virtual'))
+        this.command('list', name);
     }
+    else
+      return;
 
     // Work around a bug in IE6 and IE7, see #1485309
     if (bw.ie6 || bw.ie7) {
@@ -1396,7 +1452,7 @@
     }
 
     this.command('save-pref', { name: 'collapsed_folders', value: this.env.collapsed_folders });
-    this.set_unread_count_display(id, false);
+    this.set_unread_count_display(name, false);
   };
 
   this.doc_mouse_up = function(e)
@@ -1489,7 +1545,7 @@
 
     // start timer for message preview (wait for double click)
     if (selected && this.env.contentframe && !list.multi_selecting && !this.dummy_select)
-      this.preview_timer = window.setTimeout(function(){ ref.msglist_get_preview(); }, 200);
+      this.preview_timer = setTimeout(function(){ ref.msglist_get_preview(); }, 200);
     else if (this.env.contentframe)
       this.show_contentframe(false);
   };
@@ -1506,7 +1562,7 @@
           clearTimeout(this.preview_timer);
         if (this.preview_read_timer)
           clearTimeout(this.preview_read_timer);
-        this.preview_timer = window.setTimeout(function(){ ref.msglist_get_preview(); }, 200);
+        this.preview_timer = setTimeout(function(){ ref.msglist_get_preview(); }, 200);
       }
     }
   };
@@ -1554,6 +1610,7 @@
   {
     if (this.env.messages[row.uid])
       this.env.messages[row.uid].expanded = row.expanded;
+    $(row.obj)[row.expanded?'addClass':'removeClass']('expanded');
   };
 
   this.msglist_set_coltypes = function(list)
@@ -1672,11 +1729,12 @@
       flags: flags.extra_flags
     });
 
-    var c, n, col, html, tree = '', expando = '',
+    var c, n, col, html, css_class,
+      tree = '', expando = '',
       list = this.message_list,
       rows = list.rows,
       message = this.env.messages[uid],
-      css_class = 'message'
+      row_class = 'message'
         + (!flags.seen ? ' unread' : '')
         + (flags.deleted ? ' deleted' : '')
         + (flags.flagged ? ' flagged' : '')
@@ -1686,7 +1744,6 @@
       row = document.createElement('tr');
 
     row.id = 'rcmrow'+uid;
-    row.className = css_class;
 
     // message status icons
     css_class = 'msgicon';
@@ -1723,6 +1780,8 @@
         }
         else
           message.expanded = true;
+
+        row_class += ' thread expanded';
       }
       else if (message.has_children) {
         if (message.expanded === undefined && (this.env.autoexpand_threads == 1 || (this.env.autoexpand_threads == 2 && message.unread_children))) {
@@ -1730,10 +1789,12 @@
         }
 
         expando = '<div id="rcmexpando' + uid + '" class="' + (message.expanded ? 'expanded' : 'collapsed') + '">&nbsp;&nbsp;</div>';
+        row_class += ' thread' + (message.expanded? ' expanded' : '');
       }
     }
 
     tree += '<span id="msgicn'+uid+'" class="'+css_class+'">&nbsp;</span>';
+    row.className = row_class;
 
     // build subject link 
     if (!bw.ie && cols.subject) {
@@ -1775,8 +1836,11 @@
       else if (c == 'threads')
         html = expando;
       else if (c == 'subject') {
-        if (bw.ie)
+        if (bw.ie) {
           col.onmouseover = function() { rcube_webmail.long_subject_title_ie(this, message.depth+1); };
+          if (bw.ie8)
+            tree = '<span></span>' + tree; // #1487821
+        }
         html = tree + cols[c];
       }
       else if (c == 'priority') {
@@ -1887,7 +1951,7 @@
 
       // 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.env.preview_pane_mark_read >= 0) {
-        this.preview_read_timer = window.setTimeout(function() {
+        this.preview_read_timer = setTimeout(function() {
           ref.set_message(id, 'unread', false);
           ref.update_thread_root(id, 'read');
           if (ref.env.unread_counts[ref.env.mailbox]) {
@@ -1938,10 +2002,10 @@
     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')
+      if (this.task == 'addressbook' || this.contact_list)
         this.list_contacts(this.env.source, this.env.group, page);
+      else if (this.task == 'mail')
+        this.list_mailbox(this.env.mailbox, page);
     }
   };
 
@@ -1989,7 +2053,8 @@
     if (mbox != this.env.mailbox || (mbox == this.env.mailbox && !page && !sort))
       url += '&_refresh=1';
 
-    this.select_folder(mbox);
+    this.select_folder(mbox, '', true);
+    this.unmark_folder(mbox, 'recent', '', true);
     this.env.mailbox = mbox;
 
     // load message list remotely
@@ -2054,8 +2119,8 @@
 
     while (new_row) {
       if (new_row.nodeType == 1 && (r = this.message_list.rows[new_row.uid]) && r.unread_children) {
-	    this.message_list.expand_all(r);
-	    this.set_unread_children(r.uid);
+        this.message_list.expand_all(r);
+        this.set_unread_children(r.uid);
       }
       new_row = new_row.nextSibling;
     }
@@ -2240,38 +2305,38 @@
     row = row.obj.nextSibling;
     while (row) {
       if (row.nodeType == 1 && (r = rows[row.uid])) {
-	    if (!r.depth || r.depth <= depth)
-	      break;
+        if (!r.depth || r.depth <= depth)
+          break;
 
-	    r.depth--; // move left
+        r.depth--; // move left
         // reset width and clear the content of a tab, icons will be added later
-	    $('#rcmtab'+r.uid).width(r.depth * 15).html('');
+        $('#rcmtab'+r.uid).width(r.depth * 15).html('');
         if (!r.depth) { // a new root
-	      count++; // increase roots count
-	      r.parent_uid = 0;
-	      if (r.has_children) {
-	        // replace 'leaf' with 'collapsed'
-	        $('#rcmrow'+r.uid+' '+'.leaf:first')
+          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); });
+              .attr('class', (r.obj.style.display != 'none' ? 'expanded' : 'collapsed'))
+              .bind('mousedown', {uid:r.uid, p:this},
+                function(e) { return e.data.p.expand_message_row(e, e.data.uid); });
 
-	        r.unread_children = 0;
-	        roots.push(r);
-	      }
-	      // show if it was hidden
-	      if (r.obj.style.display == 'none')
-	        $(r.obj).show();
-	    }
-	    else {
-	      if (r.depth == depth)
-	        r.parent_uid = parent;
-	      if (r.unread && roots.length)
-	        roots[roots.length-1].unread_children++;
-	    }
-	  }
-	  row = row.nextSibling;
+            r.unread_children = 0;
+            roots.push(r);
+          }
+          // show if it was hidden
+          if (r.obj.style.display == 'none')
+            $(r.obj).show();
+        }
+        else {
+          if (r.depth == depth)
+            r.parent_uid = parent;
+          if (r.unread && roots.length)
+            roots[roots.length-1].unread_children++;
+        }
+      }
+      row = row.nextSibling;
     }
 
     // update unread_children for roots
@@ -2290,13 +2355,13 @@
 
     while (row) {
       if (row.nodeType == 1 && (r = rows[row.uid])) {
-	    if (!r.depth && cnt)
-	      cnt--;
+        if (!r.depth && cnt)
+          cnt--;
 
         if (!cnt)
-	      this.message_list.remove_row(row.uid);
-	  }
-	  row = row.nextSibling;
+          this.message_list.remove_row(row.uid);
+      }
+      row = row.nextSibling;
     }
   };
 
@@ -2493,6 +2558,9 @@
     // if there isn't a defined trash mailbox or we are in it
     // @TODO: we should check if defined trash mailbox exists
     else if (!trash || this.env.mailbox == trash)
+      this.permanently_remove_messages();
+    // we're in Junk folder and delete_junk is enabled
+    else if (this.env.delete_junk && this.env.junk_mailbox && this.env.mailbox == this.env.junk_mailbox)
       this.permanently_remove_messages();
     // if there is a trash mailbox defined and we're not currently in it
     else {
@@ -2730,12 +2798,12 @@
         if (rows[uid].unread)
           r_uids[r_uids.length] = uid;
 
-	    if (this.env.skip_deleted) {
-	      count += this.update_thread(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);
+        }
+        else
+          this.set_message(uid, 'deleted', true);
       }
     }
 
@@ -2793,6 +2861,19 @@
     return this.select_all_mode ? '*' : uids.join(',');
   };
 
+  // Sets title of the delete button
+  this.set_button_titles = function()
+  {
+    var label = 'deletemessage';
+
+    if (!this.env.flag_for_deletion
+      && this.env.trash_mailbox && this.env.mailbox != this.env.trash_mailbox
+      && (!this.env.delete_junk || !this.env.junk_mailbox || this.env.mailbox != this.env.junk_mailbox)
+    )
+      label = 'movemessagetotrash';
+
+    this.set_alttext('delete', label);
+  };
 
   /*********************************************************/
   /*********       mailbox folders methods         *********/
@@ -2897,7 +2978,7 @@
       this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
       // add signature according to selected identity
       // if we have HTML editor, signature is added in callback
-      if (input_from.prop('type') == 'select-one' && $("input[name='_draft_saveid']").val() == '') {
+      if (input_from.prop('type') == 'select-one') {
         this.change_identity(input_from[0]);
       }
     }
@@ -2926,8 +3007,40 @@
       .attr('autocomplete', 'off');
   };
 
+  this.compose_recipient_select = function(list)
+  {
+    this.enable_command('add-recipient', list.selection.length > 0);
+  };
+
+  this.compose_add_recipient = function(field)
+  {
+    var recipients = [], input = $('#_'+field);
+
+    if (this.contact_list && this.contact_list.selection.length) {
+      for (var id, n=0; n < this.contact_list.selection.length; n++) {
+        id = this.contact_list.selection[n];
+        if (id && this.env.contactdata[id]) {
+          recipients.push(this.env.contactdata[id]);
+
+          // group is added, expand it
+          if (id.charAt(0) == 'E' && this.env.contactdata[id].indexOf('@') < 0 && input.length) {
+            var gid = id.substr(1);
+            this.group2expand[gid] = { name:this.env.contactdata[id], input:input.get(0) };
+            this.http_request('group-expand', '_source='+urlencode(this.env.source)+'&_gid='+urlencode(gid), false);
+          }
+        }
+      }
+    }
+
+    if (recipients.length && input.length) {
+      var oldval = input.val();
+      input.val((oldval ? oldval + this.env.recipients_delimiter : '') + recipients.join(this.env.recipients_delimiter));
+      this.triggerEvent('add-recipient', { field:field, recipients:recipients });
+    }
+  };
+
   // checks the input fields before sending a message
-  this.check_compose_input = function()
+  this.check_compose_input = function(cmd)
   {
     // check input fields
     var ed, input_to = $("[name='_to']"),
@@ -2962,15 +3075,28 @@
 
     // display localized warning for missing subject
     if (input_subject.val() == '') {
-      var subject = prompt(this.get_label('nosubjectwarning'), this.get_label('nosubject'));
+      var myprompt = $('<div class="prompt">').html('<div class="message">' + this.get_label('nosubjectwarning') + '</div>').appendTo(document.body);
+      var prompt_value = $('<input>').attr('type', 'text').attr('size', 30).appendTo(myprompt).val(this.get_label('nosubject'));
 
-      // user hit cancel, so don't send
-      if (!subject && subject !== '') {
+      var buttons = {};
+      buttons[this.get_label('cancel')] = function(){
         input_subject.focus();
-        return false;
-      }
-      else
-        input_subject.val((subject ? subject : this.get_label('nosubject')));
+        $(this).dialog('close');
+      };
+      buttons[this.get_label('sendmessage')] = function(){
+        input_subject.val(prompt_value.val());
+        $(this).dialog('close');
+        ref.command(cmd, { nocheck:true });  // repeat command which triggered this
+      };
+
+      myprompt.dialog({
+        modal: true,
+        resizable: false,
+        buttons: buttons,
+        close: function(event, ui) { $(this).remove() }
+      });
+      prompt_value.select();
+      return false;
     }
 
     // Apply spellcheck changes if spell checker is active
@@ -2998,15 +3124,19 @@
 
   this.toggle_editor = function(props)
   {
+    this.stop_spellchecking();
+
     if (props.mode == 'html') {
-      this.display_spellcheck_controls(false);
       this.plain2html($('#'+props.id).val(), props.id);
       tinyMCE.execCommand('mceAddControl', false, props.id);
+
+      if (this.env.default_font)
+        setTimeout(function() {
+          $(tinyMCE.get(props.id).getBody()).css('font-family', rcmail.env.default_font);
+        }, 500);
     }
     else {
       var thisMCE = tinyMCE.get(props.id), existingHtml;
-      if (thisMCE.plugins.spellchecker && thisMCE.plugins.spellchecker.active)
-        thisMCE.execCommand('mceSpellCheck', false);
 
       if (existingHtml = thisMCE.getContent()) {
         if (!confirm(this.get_label('editorwarning'))) {
@@ -3015,7 +3145,6 @@
         this.html2plain(existingHtml, props.id);
       }
       tinyMCE.execCommand('mceRemoveControl', false, props.id);
-      this.display_spellcheck_controls(true);
     }
 
     return true;
@@ -3024,43 +3153,53 @@
   this.stop_spellchecking = function()
   {
     var ed;
+
     if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) {
-      if (ed.plugins.spellchecker && ed.plugins.spellchecker.active)
+      if (ed.plugins && ed.plugins.spellchecker && ed.plugins.spellchecker.active)
         ed.execCommand('mceSpellCheck');
     }
-    else if ((ed = this.env.spellcheck) && !this.spellcheck_ready) {
-      $(ed.spell_span).trigger('click');
-      this.set_spellcheck_state('ready');
+    else if (ed = this.env.spellcheck) {
+      if (ed.state && ed.state != 'ready' && ed.state != 'no_error_found')
+        $(ed.spell_span).trigger('click');
     }
+
+    this.spellcheck_state();
   };
 
-  this.display_spellcheck_controls = function(vis)
+  this.spellcheck_state = function()
   {
-    if (this.env.spellcheck) {
-      // stop spellchecking process
-      if (!vis)
-        this.stop_spellchecking();
+    var ed, active;
 
-      $(this.env.spellcheck.spell_container).css('visibility', vis ? 'visible' : 'hidden');
-    }
-  };
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
+      active = ed.plugins.spellchecker.active;
+    else if ((ed = this.env.spellcheck) && ed.state)
+      active = ed.state != 'ready' && ed.state != 'no_error_found';
 
-  this.set_spellcheck_state = function(s)
-  {
-    this.spellcheck_ready = (s == 'ready' || s == 'no_error_found');
-    this.enable_command('spellcheck', this.spellcheck_ready);
+    if (rcmail.buttons.spellcheck)
+      $('#'+rcmail.buttons.spellcheck[0].id)[active ? 'addClass' : 'removeClass']('selected');
+
+    return active;
   };
 
   // get selected language
   this.spellcheck_lang = function()
   {
     var ed;
-    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins.spellchecker) {
+
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
       return ed.plugins.spellchecker.selectedLang;
-    }
-    else if (this.env.spellcheck) {
+    else if (this.env.spellcheck)
       return GOOGIE_CUR_LANG;
-    }
+  };
+
+  this.spellcheck_lang_set = function(lang)
+  {
+    var ed;
+
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins)
+      ed.plugins.spellchecker.selectedLang = lang;
+    else if (this.env.spellcheck)
+      this.env.spellcheck.setCurrentLanguage(lang);
   };
 
   // resume spellchecking, highlight provided mispellings without new ajax request
@@ -3079,6 +3218,8 @@
       sp.prepare(false, true);
       sp.processData(data);
     }
+
+    this.spellcheck_state();
   }
 
   this.set_draft_id = function(id)
@@ -3089,7 +3230,7 @@
   this.auto_save_start = function()
   {
     if (this.env.draft_autosave)
-      this.save_timer = self.setTimeout(function(){ ref.command("savedraft"); }, this.env.draft_autosave * 1000);
+      this.save_timer = setTimeout(function(){ ref.command("savedraft"); }, this.env.draft_autosave * 1000);
 
     // Unlock interface now that saving is complete
     this.busy = false;
@@ -3098,20 +3239,11 @@
   this.compose_field_hash = function(save)
   {
     // check input fields
-    var ed, str = '',
-      value_to = $("[name='_to']").val(),
-      value_cc = $("[name='_cc']").val(),
-      value_bcc = $("[name='_bcc']").val(),
-      value_subject = $("[name='_subject']").val();
+    var ed, i, val, str = '', hash_fields = ['to', 'cc', 'bcc', 'subject'];
 
-    if (value_to)
-      str += value_to+':';
-    if (value_cc)
-      str += value_cc+':';
-    if (value_bcc)
-      str += value_bcc+':';
-    if (value_subject)
-      str += value_subject+':';
+    for (i=0; i<hash_fields.length; i++)
+      if (val = $('[name="_' + hash_fields[i] + '"]').val())
+        str += val + ':';
 
     if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)))
       str += ed.getContent();
@@ -3306,10 +3438,11 @@
         ts = frame_name.replace(/^rcmupload/, '');
 
       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 });
+        content = '<img src="'+this.env.loadingicon+'" alt="" class="uploading" />'+content;
+      content = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+ts+'\', \''+frame_name+'\');" href="#cancelupload" class="cancelupload">'
+        + (this.env.cancelicon ? '<img src="'+this.env.cancelicon+'" alt="" />' : this.get_label('cancel')) + '</a>' + content;
+
+      this.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false });
 
       // upload progress support
       if (this.env.upload_progress_time) {
@@ -3329,7 +3462,7 @@
     if (!this.gui_objects.attachmentlist)
       return false;
 
-    var indicator, li = $('<li>').attr('id', name).html(att.html);
+    var indicator, li = $('<li>').attr('id', name).addClass(att.classname).html(att.html);
 
     // replace indicator's li
     if (upload_id && (indicator = document.getElementById(upload_id))) {
@@ -3349,16 +3482,8 @@
 
   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]);
+    delete this.env.attachments[name];
+    $('#'+name).remove();
   };
 
   this.remove_attachment = function(name)
@@ -3381,7 +3506,7 @@
 
   this.upload_progress_start = function(action, name)
   {
-    window.setTimeout(function() { rcmail.http_request(action, {_progress: name}); },
+    setTimeout(function() { rcmail.http_request(action, {_progress: name}); },
       this.env.upload_progress_time * 1000);
   };
 
@@ -3402,7 +3527,7 @@
   this.add_contact = function(value)
   {
     if (value)
-      this.http_post('addcontact', '_address='+value);
+      this.http_post('addcontact', {_address: value});
 
     return true;
   };
@@ -3481,7 +3606,7 @@
   {
     this.display_message(msg, type);
     // before redirect we need to wait some time for Chrome (#1486177)
-    window.setTimeout(function(){ ref.list_mailbox(); }, 500);
+    setTimeout(function(){ ref.list_mailbox(); }, 500);
   };
 
 
@@ -3500,9 +3625,9 @@
       mod = rcube_event.get_modifier(e);
 
     switch (key) {
-      case 38:  // key up
-      case 40:  // key down
-        if (!this.ksearch_pane)
+      case 38:  // arrow up
+      case 40:  // arrow down
+        if (!this.ksearch_visible())
           break;
 
         var dir = key==38 ? 1 : 0;
@@ -3539,11 +3664,11 @@
       case 37:  // left
       case 39:  // right
         if (mod != SHIFT_KEY)
-	      return;
+          return;
     }
 
     // start timer
-    this.ksearch_timer = window.setTimeout(function(){ ref.ksearch_get_results(props); }, 200);
+    this.ksearch_timer = setTimeout(function(){ ref.ksearch_get_results(props); }, 200);
     this.ksearch_input = obj;
 
     return true;
@@ -3587,8 +3712,7 @@
     // insert all members of a group
     if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].id) {
       insert += this.env.contacts[id].name + this.env.recipients_delimiter;
-      this.group2expand = $.extend({}, this.env.contacts[id]);
-      this.group2expand.input = this.ksearch_input;
+      this.group2expand[this.env.contacts[id].id] = $.extend({ input: this.ksearch_input }, this.env.contacts[id]);
       this.http_request('mail/group-expand', '_source='+urlencode(this.env.contacts[id].source)+'&_gid='+urlencode(this.env.contacts[id].id), false);
     }
     else if (typeof this.env.contacts[id] === 'string') {
@@ -3609,10 +3733,10 @@
 
   this.replace_group_recipients = function(id, recipients)
   {
-    if (this.group2expand && this.group2expand.id == id) {
-      this.group2expand.input.value = this.group2expand.input.value.replace(this.group2expand.name, recipients);
-      this.triggerEvent('autocomplete_insert', { field:this.group2expand.input, insert:recipients });
-      this.group2expand = null;
+    if (this.group2expand[id]) {
+      this.group2expand[id].input.value = this.group2expand[id].input.value.replace(this.group2expand[id].name, recipients);
+      this.triggerEvent('autocomplete_insert', { field:this.group2expand[id].input, insert:recipients });
+      this.group2expand[id] = null;
     }
   };
 
@@ -3672,7 +3796,7 @@
 
     for (i=0; i<threads; i++) {
       source = this.ksearch_data.sources.shift();
-      if (threads > 1 && source === null)
+      if (threads > 1 && source === undefined)
         break;
 
       lock = this.display_message(this.get_label('searching'), 'loading');
@@ -3695,7 +3819,7 @@
       return;
 
     // display search results
-    var ul, li, text, init,
+    var i, len, ul, li, text, init,
       value = this.ksearch_value,
       data = this.ksearch_data,
       maxlen = this.env.autocomplete_max ? this.env.autocomplete_max : 15;
@@ -3726,8 +3850,8 @@
     }
 
     // add each result line to list
-    if (results && results.length) {
-      for (i=0; i < results.length && maxlen > 0; i++) {
+    if (results && (len = results.length)) {
+      for (i=0; i < len && maxlen > 0; i++) {
         text = typeof results[i] === 'object' ? results[i].name : results[i];
         li = document.createElement('LI');
         li.innerHTML = text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/##([^%]+)%%/g, '<b>$1</b>');
@@ -3748,7 +3872,7 @@
       }
     }
 
-    if (results && results.length)
+    if (len)
       this.env.contacts = this.env.contacts.concat(results);
 
     // run next parallel search
@@ -3851,7 +3975,7 @@
       source = this.env.source ? this.env.address_sources[this.env.source] : null;
 
     if (id = list.get_single_selection())
-      this.preview_timer = window.setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
+      this.preview_timer = setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
     else if (this.env.contentframe)
       this.show_contentframe(false);
 
@@ -3871,6 +3995,10 @@
         writable = !source.readonly;
       }
     }
+
+    // if a group is currently selected, and there is at least one contact selected
+    // thend we can enable the group-remove-selected command
+    this.enable_command('group-remove-selected', typeof this.env.group != 'undefined' && list.selection.length > 0);
 
     this.enable_command('compose', this.env.group || list.selection.length > 0);
     this.enable_command('edit', id && writable);
@@ -3951,7 +4079,7 @@
     if (this.env.search_request)
       url += '&_search='+this.env.search_request;
 
-    this.http_request('list', url, lock);
+    this.http_request(this.env.task == 'mail' ? 'list-contacts' : 'list', url, lock);
   };
 
   this.list_contacts_clear = function()
@@ -4031,10 +4159,10 @@
 
   this.delete_contacts = function()
   {
-    // exit if no mailbox specified or if selection is empty
     var selection = this.contact_list.get_selection(),
-      undelete = this.env.address_sources[this.env.source].undelete;
+      undelete = this.env.source && this.env.address_sources[this.env.source].undelete;
 
+    // exit if no mailbox specified or if selection is empty
     if (!(selection.length || this.env.cid) || (!undelete && !confirm(this.get_label('deletecontactconfirm'))))
       return;
 
@@ -4075,7 +4203,7 @@
   {
     var c, row, list = this.contact_list;
 
-    cid = String(cid).replace(this.identifier_expr, '_');
+    cid = this.html_identifier(cid);
 
     // when in searching mode, concat cid with the source name
     if (!list.rows[cid]) {
@@ -4091,7 +4219,7 @@
 
       // cid change
       if (newcid) {
-        newcid = String(newcid).replace(this.identifier_expr, '_');
+        newcid = this.html_identifier(newcid);
         row.id = 'rcmrow' + newcid;
         list.remove_row(cid);
         list.init_row(row);
@@ -4102,7 +4230,7 @@
   };
 
   // add row to contacts list
-  this.add_contact_row = function(cid, cols, select)
+  this.add_contact_row = function(cid, cols, classes)
   {
     if (!this.gui_objects.contactslist)
       return false;
@@ -4110,8 +4238,8 @@
     var c, list = this.contact_list,
       row = document.createElement('tr');
 
-    row.id = 'rcmrow'+String(cid).replace(this.identifier_expr, '_');
-    row.className = 'contact';
+    row.id = 'rcmrow'+this.html_identifier(cid);
+    row.className = 'contact ' + (classes || '');
 
     if (list.in_selection(cid))
       row.className += ' selected';
@@ -4157,7 +4285,6 @@
         yearRange: '-100:+10',
         showOtherMonths: true,
         selectOtherMonths: true,
-        monthNamesShort: this.env.month_names,
         onSelect: function(dateText) { $(this).focus().val(dateText) }
       });
       $('input.datepicker').datepicker();
@@ -4232,6 +4359,28 @@
     this.name_input.select().focus();
   };
 
+  //remove selected contacts from current active group
+  this.group_remove_selected = function()
+  {
+    ref.http_post('group-delmembers','_cid='+urlencode(this.contact_list.selection)
+		  + '&_source='+urlencode(this.env.source)
+		  + '&_gid='+urlencode(this.env.group));
+  };
+
+  //callback after deleting contact(s) from current group
+  this.remove_group_contacts = function(props)
+  {
+    if('undefined' != typeof this.env.group && (this.env.group === props.gid)){
+      var selection = this.contact_list.get_selection();
+      for (var n=0; n<selection.length; n++) {
+	id = selection[n];
+	this.contact_list.remove_row(id, (n == selection.length-1));
+      }
+    }
+  }
+
+
+
   // handler for keyboard events on the input field
   this.add_input_keydown = function(e)
   {
@@ -4292,7 +4441,7 @@
         .attr('rel', prop.source+':'+prop.id)
         .click(function() { return rcmail.command('listgroup', prop, this); })
         .html(prop.name),
-      li = $('<li>').attr({id: 'rcmli'+key.replace(this.identifier_expr, '_'), 'class': 'contactgroup'})
+      li = $('<li>').attr({id: 'rcmli'+this.html_identifier(key), 'class': 'contactgroup'})
         .append(link);
 
     this.env.contactfolders[key] = this.env.contactgroups[key] = prop;
@@ -4315,7 +4464,7 @@
       var newkey = 'G'+prop.source+prop.newid,
         newprop = $.extend({}, prop);;
 
-      li.id = String('rcmli'+newkey).replace(this.identifier_expr, '_');
+      li.id = 'rcmli' + this.html_identifier(newkey);
       this.env.contactfolders[newkey] = this.env.contactfolders[key];
       this.env.contactfolders[newkey].id = prop.newid;
       this.env.group = prop.newid;
@@ -4347,7 +4496,7 @@
   {
     var row, name = prop.name.toUpperCase(),
       sibling = this.get_folder_li(prop.source),
-      prefix = 'rcmliG'+(prop.source).replace(this.identifier_expr, '_');
+      prefix = 'rcmliG' + this.html_identifier(prop.source);
 
     // When renaming groups, we need to remove it from DOM and insert it in the proper place
     if (reloc) {
@@ -4376,12 +4525,13 @@
 
   this.init_edit_field = function(col, elem)
   {
+    var label = this.env.coltypes[col].label;
+
     if (!elem)
       elem = $('.ff_' + col);
 
-    elem.focus(function(){ ref.focus_textfield(this); })
-      .blur(function(){ ref.blur_textfield(this); })
-      .each(function(){ this._placeholder = this.title = (ref.env.coltypes[col].label || ''); ref.blur_textfield(this); });
+    if (label)
+      elem.placeholder(label);
   };
 
   this.insert_edit_field = function(col, section, menu)
@@ -4396,8 +4546,15 @@
       var lastelem = $('.ff_'+col),
         appendcontainer = $('#contactsection'+section+' .contactcontroller'+col);
 
-      if (!appendcontainer.length)
-        appendcontainer = $('<fieldset>').addClass('contactfieldgroup contactcontroller'+col).insertAfter($('#contactsection'+section+' .contactfieldgroup').last());
+      if (!appendcontainer.length) {
+        var sect = $('#contactsection'+section),
+          lastgroup = $('.contactfieldgroup', sect).last();
+        appendcontainer = $('<fieldset>').addClass('contactfieldgroup contactcontroller'+col);
+        if (lastgroup.length)
+          appendcontainer.insertAfter(lastgroup);
+        else
+          sect.prepend(appendcontainer);
+      }
 
       if (appendcontainer.length && appendcontainer.get(0).nodeName == 'FIELDSET') {
         var input, colprop = this.env.coltypes[col],
@@ -4418,9 +4575,17 @@
             .appendTo(cell);
 
           this.init_edit_field(col, input);
-          
+
           if (colprop.type == 'date' && $.datepicker)
             input.datepicker();
+        }
+        else if (colprop.type == 'textarea') {
+          input = $('<textarea>')
+            .addClass('ff_'+col)
+            .attr({ name: '_'+col+name_suffix, cols:colprop.size, rows:colprop.rows })
+            .appendTo(cell);
+
+          this.init_edit_field(col, input);
         }
         else if (colprop.type == 'composite') {
           var childcol, cp, first, templ, cols = [], suffices = [];
@@ -4540,7 +4705,7 @@
   {
     var n, buttons = this.buttons['upload-photo'];
     for (n=0; buttons && n < buttons.length; n++)
-      $('#'+buttons[n].id).html(this.get_label(id == '-del-' ? 'addphoto' : 'replacephoto'));
+      $('a#'+buttons[n].id).html(this.get_label(id == '-del-' ? 'addphoto' : 'replacephoto'));
 
     $('#ff_photo').val(id);
     this.enable_command('upload-photo', this.env.coltypes.photo ? true : false);
@@ -4580,7 +4745,7 @@
         .attr('rel', id)
         .click(function() { return rcmail.command('listsearch', id, this); })
         .html(name),
-      li = $('<li>').attr({id: 'rcmli'+key.replace(this.identifier_expr, '_'), 'class': 'contactsearch'})
+      li = $('<li>').attr({id: 'rcmli' + this.html_identifier(key), 'class': 'contactsearch'})
         .append(link),
       prop = {name:name, id:id, li:li[0]};
 
@@ -4692,14 +4857,16 @@
   this.identity_select = function(list)
   {
     var id;
-    if (id = list.get_single_selection())
+    if (id = list.get_single_selection()) {
+      this.enable_command('delete', list.rowcount > 1 && this.env.identities_level < 2);
       this.load_identity(id, 'edit-identity');
+    }
   };
 
   // load identity record
   this.load_identity = function(id, action)
   {
-    if (action=='edit-identity' && (!id || id==this.env.iid))
+    if (action == 'edit-identity' && (!id || id == this.env.iid))
       return false;
 
     var add_url = '', target = window;
@@ -4710,7 +4877,7 @@
       document.getElementById(this.env.contentframe).style.visibility = 'inherit';
     }
 
-    if (action && (id || action=='add-identity')) {
+    if (action && (id || action == 'add-identity')) {
       this.set_busy(true);
       this.location_href(this.env.comm_path+'&_action='+action+'&_iid='+id+add_url, target);
     }
@@ -4720,7 +4887,7 @@
 
   this.delete_identity = function(id)
   {
-    // exit if no mailbox specified or if selection is empty
+    // exit if no identity is specified or if selection is empty
     var selection = this.identity_list.get_selection();
     if (!(selection.length || this.env.iid))
       return;
@@ -4728,10 +4895,27 @@
     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);
+    // submit request with appended token
+    if (confirm(this.get_label('deleteidentityconfirm')))
+      this.goto_url('delete-identity', '_iid='+id+'&_token='+this.env.request_token, true);
 
     return true;
+  };
+
+  this.update_identity_row = function(id, name, add)
+  {
+    var row, col, list = this.identity_list,
+      rid = this.html_identifier(id);
+
+    if (list.rows[rid] && (row = list.rows[rid].obj)) {
+      $(row.cells[0]).html(name);
+    }
+    else if (add) {
+      row = $('<tr>').attr('id', 'rcmrow'+rid).get(0);
+      col = $('<td>').addClass('mail').html(name).appendTo(row);
+      list.insert_row(row);
+      list.select(rid);
+    }
   };
 
 
@@ -4852,7 +5036,7 @@
     if (!this.gui_objects.subscriptionlist)
       return false;
 
-    var row, n, i, tmp, folders, rowid, list = [], slist = [],
+    var row, n, i, tmp, tmp_name, folders, rowid, list = [], slist = [],
       tbody = this.gui_objects.subscriptionlist.tBodies[0],
       refrow = $('tr', tbody).get(1),
       id = 'rcmrow'+((new Date).getTime());
@@ -4888,8 +5072,12 @@
     for (n in folders) {
       // protected folder
       if (folders[n][2]) {
+        tmp_name = folders[n][0] + this.env.delimiter;
+        // prefix namespace cannot have subfolders (#1488349)
+        if (tmp_name == this.env.prefix_ns)
+          continue;
         slist.push(folders[n][0]);
-        tmp = folders[n][0]+this.env.delimiter;
+        tmp = tmp_name;
       }
       // protected folder's child
       else if (tmp && folders[n][0].indexOf(tmp) == 0)
@@ -5151,17 +5339,18 @@
         init_button(cmd, this.buttons[cmd][i]);
       }
     }
+
+    // set active task button
+    this.set_button(this.task, 'sel');
   };
 
   // set button to a specific state
   this.set_button = function(command, state)
   {
-    var button, obj, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return false;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       obj = document.getElementById(button.id);
 
@@ -5196,15 +5385,14 @@
   // display a specific alttext
   this.set_alttext = function(command, label)
   {
-    if (!this.buttons[command] || !this.buttons[command].length)
-      return;
+    var n, button, obj, link, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    var button, obj, link;
-    for (var n=0; n<this.buttons[command].length; n++) {
-      button = this.buttons[command][n];
+    for (n=0; n<len; n++) {
+      button = a_buttons[n];
       obj = document.getElementById(button.id);
 
-      if (button.type=='image' && obj) {
+      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));
@@ -5217,20 +5405,18 @@
   // mouse over button
   this.button_over = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return false;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.over) {
+        obj = document.getElementById(button.id);
+        if (obj && button.over) {
           if (button.type == 'image')
-            elm.src = button.over;
+            obj.src = button.over;
           else
-            elm.className = button.over;
+            obj.className = button.over;
         }
       }
     }
@@ -5239,20 +5425,18 @@
   // mouse down on button
   this.button_sel = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.sel) {
+        obj = document.getElementById(button.id);
+        if (obj && button.sel) {
           if (button.type == 'image')
-            elm.src = button.sel;
+            obj.src = button.sel;
           else
-            elm.className = button.sel;
+            obj.className = button.sel;
         }
         this.buttons_sel[id] = command;
       }
@@ -5262,40 +5446,21 @@
   // mouse out of button
   this.button_out = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.act) {
+        obj = document.getElementById(button.id);
+        if (obj && button.act) {
           if (button.type == 'image')
-            elm.src = button.act;
+            obj.src = button.act;
           else
-            elm.className = button.act;
+            obj.className = button.act;
         }
       }
     }
-  };
-
-
-  this.focus_textfield = function(elem)
-  {
-    elem._hasfocus = true;
-    var $elem = $(elem);
-    if ($elem.hasClass('placeholder') || $elem.val() == elem._placeholder)
-      $elem.val('').removeClass('placeholder').attr('spellcheck', true);
-  };
-
-  this.blur_textfield = function(elem)
-  {
-    elem._hasfocus = false;
-    var $elem = $(elem);
-    if (elem._placeholder && (!$elem.val() || $elem.val() == elem._placeholder))
-      $elem.addClass('placeholder').attr('spellcheck', false).val(elem._placeholder);
   };
 
   // write to the document/window title
@@ -5315,14 +5480,14 @@
     if (!this.gui_objects.message) {
       // save message in order to display after page loaded
       if (type != 'loading')
-        this.pending_message = new Array(msg, type, timeout);
+        this.pending_message = [msg, type, timeout];
       return false;
     }
 
     type = type ? type : 'notice';
 
     var ref = this,
-      key = String(msg).replace(this.identifier_expr, '_'),
+      key = this.html_identifier(msg),
       date = new Date(),
       id = type + date.getTime();
 
@@ -5347,7 +5512,7 @@
       }
       // add element and set timeout
       this.messages[key].elements.push(id);
-      window.setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
+      setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
       return id;
     }
 
@@ -5364,8 +5529,10 @@
       obj.click(function() { return ref.hide_message(obj); });
     }
 
+    this.triggerEvent('message', { message:msg, type:type, timeout:timeout, object:obj });
+
     if (timeout > 0)
-      window.setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
+      setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
     return id;
   };
 
@@ -5414,8 +5581,25 @@
     }
   };
 
+  // remove all messages immediately
+  this.clear_messages = function()
+  {
+    // pass command to parent window
+    if (this.is_framed())
+      return parent.rcmail.clear_messages();
+
+    var k, n, m = this.messages;
+
+    for (k in m)
+      for (n in m[k].elements)
+        if (m[k].obj)
+          m[k].obj.hide();
+
+    this.messages = {};
+  };
+
   // mark a mailbox as selected and set environment variable
-  this.select_folder = function(name, prefix)
+  this.select_folder = function(name, prefix, encode)
   {
     if (this.gui_objects.folderlist) {
       var current_li, target_li;
@@ -5423,7 +5607,7 @@
       if ((current_li = $('li.selected', this.gui_objects.folderlist))) {
         current_li.removeClass('selected').addClass('unfocused');
       }
-      if ((target_li = this.get_folder_li(name, prefix))) {
+      if ((target_li = this.get_folder_li(name, prefix, encode))) {
         $(target_li).removeClass('unfocused').addClass('selected');
       }
 
@@ -5432,14 +5616,26 @@
     }
   };
 
+  // adds a class to selected folder
+  this.mark_folder = function(name, class_name, prefix, encode)
+  {
+    $(this.get_folder_li(name, prefix, encode)).addClass(class_name);
+  };
+
+  // adds a class to selected folder
+  this.unmark_folder = function(name, class_name, prefix, encode)
+  {
+    $(this.get_folder_li(name, prefix, encode)).removeClass(class_name);
+  };
+
   // helper method to find a folder list item
-  this.get_folder_li = function(name, prefix)
+  this.get_folder_li = function(name, prefix, encode)
   {
     if (!prefix)
       prefix = 'rcmli';
 
     if (this.gui_objects.folderlist) {
-      name = String(name).replace(this.identifier_expr, '_');
+      name = this.html_identifier(name, encode);
       return document.getElementById(prefix+name);
     }
 
@@ -5530,22 +5726,26 @@
   // replace content of quota display
   this.set_quota = function(content)
   {
-    if (content && this.gui_objects.quotadisplay) {
-      if (typeof content === 'object' && content.type == 'image')
-        this.percent_indicator(this.gui_objects.quotadisplay, content);
-      else
-        $(this.gui_objects.quotadisplay).html(content);
-    }
+    if (this.gui_objects.quotadisplay && content && content.type == 'text')
+      $(this.gui_objects.quotadisplay).html(content.percent+'%').attr('title', content.title);
+
+    this.triggerEvent('setquota', content);
+    this.env.quota_content = content;
   };
 
   // update the mailboxlist
-  this.set_unread_count = function(mbox, count, set_title)
+  this.set_unread_count = function(mbox, count, set_title, mark)
   {
     if (!this.gui_objects.mailboxlist)
       return false;
 
     this.env.unread_counts[mbox] = count;
     this.set_unread_count_display(mbox, set_title);
+
+    if (mark)
+      this.mark_folder(mbox, mark, '', true);
+    else if (!count)
+      this.unmark_folder(mbox, 'recent', '', true);
   };
 
   // update the mailbox count display
@@ -5553,7 +5753,7 @@
   {
     var reg, link, text_obj, item, mycount, childcount, div;
 
-    if (item = this.get_folder_li(mbox)) {
+    if (item = this.get_folder_li(mbox, '', true)) {
       mycount = this.env.unread_counts[mbox] ? this.env.unread_counts[mbox] : 0;
       link = $(item).children('a').eq(0);
       text_obj = link.children('span.unreadcount');
@@ -5565,13 +5765,13 @@
       if ((div = item.getElementsByTagName('div')[0]) &&
           div.className.match(/collapsed/)) {
         // add children's counters
-        for (var k in this.env.unread_counts) 
+        for (var k in this.env.unread_counts)
           if (k.indexOf(mbox + this.env.delimiter) == 0)
             childcount += this.env.unread_counts[k];
       }
 
       if (mycount && text_obj.length)
-        text_obj.html(' ('+mycount+')');
+        text_obj.html(this.env.unreadwrap.replace(/%[sd]/, mycount));
       else if (text_obj.length)
         text_obj.remove();
 
@@ -5604,20 +5804,6 @@
     }
   };
 
-  this.toggle_prefer_html = function(checkbox)
-  {
-    var elem;
-    if (elem = document.getElementById('rcmfd_addrbook_show_images'))
-      elem.disabled = !checkbox.checked;
-  };
-
-  this.toggle_preview_pane = function(checkbox)
-  {
-    var elem;
-    if (elem = document.getElementById('rcmfd_preview_pane_mark_read'))
-      elem.disabled = !checkbox.checked;
-  };
-
   // display fetched raw headers
   this.set_headers = function(content)
   {
@@ -5626,14 +5812,14 @@
   };
 
   // display all-headers row and fetch raw message headers
-  this.load_headers = function(elem)
+  this.show_headers = function(props, elem)
   {
     if (!this.gui_objects.all_headers_row || !this.gui_objects.all_headers_box || !this.env.uid)
       return;
 
     $(elem).removeClass('show-headers').addClass('hide-headers');
     $(this.gui_objects.all_headers_row).show();
-    elem.onclick = function() { rcmail.hide_headers(elem); };
+    elem.onclick = function() { rcmail.command('hide-headers', '', elem); };
 
     // fetch headers only once
     if (!this.gui_objects.all_headers_box.innerHTML) {
@@ -5643,79 +5829,16 @@
   };
 
   // hide all-headers row
-  this.hide_headers = function(elem)
+  this.hide_headers = function(props, elem)
   {
     if (!this.gui_objects.all_headers_row || !this.gui_objects.all_headers_box)
       return;
 
     $(elem).removeClass('hide-headers').addClass('show-headers');
     $(this.gui_objects.all_headers_row).hide();
-    elem.onclick = function() { rcmail.load_headers(elem); };
+    elem.onclick = function() { rcmail.command('show-headers', '', elem); };
   };
 
-  // percent (quota) indicator
-  this.percent_indicator = function(obj, data)
-  {
-    if (!data || !obj)
-      return false;
-
-    var limit_high = 80,
-      limit_mid  = 55,
-      width = data.width ? data.width : this.env.indicator_width ? this.env.indicator_width : 100,
-      height = data.height ? data.height : this.env.indicator_height ? this.env.indicator_height : 14,
-      quota = data.percent ? Math.abs(parseInt(data.percent)) : 0,
-      quota_width = parseInt(quota / 100 * width),
-      pos = $(obj).position();
-
-    // workarounds for Opera and Webkit bugs
-    pos.top = Math.max(0, pos.top);
-    pos.left = Math.max(0, pos.left);
-
-    this.env.indicator_width = width;
-    this.env.indicator_height = height;
-
-    // overlimit
-    if (quota_width > width) {
-      quota_width = width;
-      quota = 100; 
-    }
-
-    if (data.title)
-      data.title = this.get_label('quota') + ': ' +  data.title;
-
-    // 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_low');
-      bar1.addClass('quota_low');
-    }
-
-    // replace quota image
-    $(obj).html('').append(bar1).append(bar2).append(main);
-    // update #quotaimg title
-    $('#quotaimg').attr('title', data.title);
-  };
 
   /********************************************************/
   /*********  html to text conversion functions   *********/
@@ -5731,14 +5854,17 @@
 
     $.ajax({ type: 'POST', url: url, data: htmlText, contentType: 'application/octet-stream',
       error: function(o, status, err) { rcmail.http_error(o, status, err, lock); },
-      success: function(data) { rcmail.set_busy(false, null, lock); $(document.getElementById(id)).val(data); rcmail.log(data); }
+      success: function(data) { rcmail.set_busy(false, null, lock); $('#'+id).val(data); rcmail.log(data); }
     });
   };
 
-  this.plain2html = function(plainText, id)
+  this.plain2html = function(plain, id)
   {
     var lock = this.set_busy(true, 'converting');
-    $(document.getElementById(id)).val('<pre>'+plainText+'</pre>');
+
+    plain = plain.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+    $('#'+id).val(plain ? '<pre>'+plain+'</pre>' : '');
+
     this.set_busy(false, null, lock);
   };
 
@@ -5832,7 +5958,7 @@
     return $.ajax({
       type: 'GET', url: url, data: { _unlock:(lock?lock:0) }, dataType: 'json',
       success: function(data){ ref.http_response(data); },
-      error: function(o, status, err) { rcmail.http_error(o, status, err, lock); }
+      error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
     });
   };
 
@@ -5864,7 +5990,7 @@
     return $.ajax({
       type: 'POST', url: url, data: postdata, dataType: 'json',
       success: function(data){ ref.http_response(data); },
-      error: function(o, status, err) { rcmail.http_error(o, status, err, lock); }
+      error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
     });
   };
 
@@ -5970,7 +6096,7 @@
           this.enable_command('purge', this.purge_mailbox_test());
           this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading && this.env.messagecount);
 
-          if (response.action == 'list' || response.action == 'search') {
+          if ((response.action == 'list' || response.action == 'search') && this.message_list) {
             this.msglist_select(this.message_list);
             this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
           }
@@ -5996,7 +6122,7 @@
   };
 
   // handle HTTP request errors
-  this.http_error = function(request, status, err, lock)
+  this.http_error = function(request, status, err, lock, action)
   {
     var errmsg = request.statusText;
 
@@ -6005,6 +6131,16 @@
 
     if (request.status && errmsg)
       this.display_message(this.get_label('servererror') + ' (' + errmsg + ')', 'error');
+    else if (status == 'timeout')
+      this.display_message(this.get_label('requesttimedout'), 'error');
+    else if (request.status == 0 && status != 'abort')
+      this.display_message(this.get_label('servererror') + ' (No connection)', 'error');
+
+    // re-send keep-alive requests after 30 seconds
+    if (action == 'keep-alive')
+      setTimeout(function(){ ref.keep_alive(); }, 30000);
+    else if (action == 'check-recent')
+      setTimeout(function(){ ref.check_for_recent(false); }, 30000);
   };
 
   // post the given form to a hidden iframe
@@ -6058,12 +6194,15 @@
   // starts interval for keep-alive/check-recent signal
   this.start_keepalive = function()
   {
+    if (!this.env.keep_alive || this.env.framed)
+      return;
+
     if (this._int)
       clearInterval(this._int);
 
-    if (this.env.keep_alive && !this.env.framed && this.task == 'mail' && this.gui_objects.mailboxlist)
+    if (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.env.action != 'print')
+    else if (this.task != 'login' && this.env.action != 'print')
       this._int = setInterval(function(){ ref.keep_alive(); }, this.env.keep_alive * 1000);
   };
 
@@ -6124,7 +6263,7 @@
       return obj.selectionEnd;
     else if (document.selection && document.selection.createRange) {
       var range = document.selection.createRange();
-      if (range.parentElement()!=obj)
+      if (range.parentElement() != obj)
         return 0;
 
       var gm = range.duplicate();
@@ -6182,6 +6321,32 @@
     }
   };
 
+  this.mailto_handler_uri = function()
+  {
+    return location.href.split('?')[0] + '?_task=mail&_action=compose&_to=%s';
+  };
+
+  this.register_protocol_handler = function(name)
+  {
+    try {
+      window.navigator.registerProtocolHandler('mailto', this.mailto_handler_uri(), name);
+    }
+    catch(e) {};
+  };
+
+  this.check_protocol_handler = function(name, elem)
+  {
+    var nav = window.navigator;
+    if (!nav
+      || (typeof nav.registerProtocolHandler != 'function')
+      || ((typeof nav.isProtocolHandlerRegistered == 'function')
+        && nav.isProtocolHandlerRegistered('mailto', this.mailto_handler_uri()) == 'registered')
+    )
+      $(elem).addClass('disabled');
+    else
+      $(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
+  };
+
 }  // end object rcube_webmail
 
 
@@ -6216,4 +6381,3 @@
 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;
-

--
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