X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=program%2Fjs%2Fapp.js;fp=program%2Fjs%2Fapp.js;h=7622f1f2cd221a4e11470cac5ce37b4a79c59cb7;hb=0af63e79917234f76cfa7ec74e9d97b24fbf9b55;hp=0000000000000000000000000000000000000000;hpb=38f53b1d7d882df852551d91da5410d3bcc92a6a;p=roundcube.git

diff --git a/program/js/app.js b/program/js/app.js
new file mode 100644
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--- /dev/null
+++ b/program/js/app.js
@@ -0,0 +1,3902 @@
+/*
+ +-----------------------------------------------------------------------+
+ | RoundCube Webmail Client Script                                       |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2005, RoundCube Dev, - Switzerland                      |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Authors: Thomas Bruederli <roundcube@gmail.com>                       |
+ |          Charles McNulty <charles@charlesmcnulty.com>                 |
+ +-----------------------------------------------------------------------+
+ 
+  $Id: app.js 431 2006-12-23 10:44:16Z thomasb $
+*/
+
+// Constants
+var CONTROL_KEY = 1;
+var SHIFT_KEY = 2;
+var CONTROL_SHIFT_KEY = 3;
+
+var rcube_webmail_client;
+
+function rcube_webmail()
+  {
+  this.env = new Object();
+  this.labels = new Object();
+  this.buttons = new Object();
+  this.gui_objects = new Object();
+  this.commands = new Object();
+  this.selection = new Array();
+  this.last_selected = 0;
+  this.in_message_list = false;
+
+  // create public reference to myself
+  rcube_webmail_client = this;
+  this.ref = 'rcube_webmail_client';
+ 
+  // webmail client settings
+  this.dblclick_time = 600;
+  this.message_time = 5000;
+  
+  this.mbox_expression = new RegExp('[^0-9a-z\-_]', 'gi');
+  
+  // mimetypes supported by the browser (default settings)
+  this.mimetypes = new Array('text/plain', 'text/html', 'text/xml',
+                             'image/jpeg', 'image/gif', 'image/png',
+                             'application/x-javascript', 'application/pdf',
+                             'application/x-shockwave-flash');
+
+  // default environment vars
+  this.env.keep_alive = 60;        // seconds
+  this.env.request_timeout = 180;  // seconds
+  this.env.draft_autosave = 300;   // seconds
+
+
+  // set environment variable
+  this.set_env = function(name, value)
+    {
+    this.env[name] = value;
+    };
+
+
+  // add a localized label to the client environment
+  this.add_label = function(key, value)
+    {
+    this.labels[key] = value;
+    };
+
+
+  // add a button to the button list
+  this.register_button = function(command, id, type, act, sel, over)
+    {
+    if (!this.buttons[command])
+      this.buttons[command] = new Array();
+      
+    var button_prop = {id:id, type:type};
+    if (act) button_prop.act = act;
+    if (sel) button_prop.sel = sel;
+    if (over) button_prop.over = over;
+
+    this.buttons[command][this.buttons[command].length] = button_prop;    
+    };
+
+
+  // register a specific gui object
+  this.gui_object = function(name, id)
+    {
+    this.gui_objects[name] = id;
+    };
+
+
+  // initialize webmail client
+  this.init = function()
+    {
+    this.task = this.env.task;
+    
+    // check browser
+    if (!bw.dom || !bw.xmlhttp_test())
+      {
+      location.href = this.env.comm_path+'&_action=error&_code=0x199';
+      return;
+      }
+    
+    // find all registered gui objects
+    for (var n in this.gui_objects)
+      this.gui_objects[n] = rcube_find_object(this.gui_objects[n]);
+      
+    // tell parent window that this frame is loaded
+    if (this.env.framed && parent.rcmail && parent.rcmail.set_busy)
+      parent.rcmail.set_busy(false);
+
+    // enable general commands
+    this.enable_command('logout', 'mail', 'addressbook', 'settings', true);
+    
+    switch (this.task)
+      {
+      case 'mail':
+        var msg_list_frame = this.gui_objects.mailcontframe;
+        var msg_list = this.gui_objects.messagelist;
+        if (msg_list)
+          {
+          msg_list_frame.onmousedown = function(e){return rcube_webmail_client.click_on_list(e);};
+          this.init_messagelist(msg_list);
+          this.enable_command('toggle_status', true);
+          }
+
+        // enable mail commands
+        this.enable_command('list', 'checkmail', 'compose', 'add-contact', 'search', 'reset-search', true);
+        
+        if (this.env.action=='show')
+          {
+          this.enable_command('show', 'reply', 'reply-all', 'forward', 'moveto', 'delete', 'viewsource', 'print', 'load-attachment', true);
+          if (this.env.next_uid)
+            this.enable_command('nextmessage', true);
+          if (this.env.prev_uid)
+            this.enable_command('previousmessage', true);
+          }
+
+        if (this.env.action=='show' && this.env.blockedobjects)
+          {
+          if (this.gui_objects.remoteobjectsmsg)
+            this.gui_objects.remoteobjectsmsg.style.display = 'block';
+          this.enable_command('load-images', true);
+          }  
+
+        if (this.env.action=='compose')
+          {
+          this.enable_command('add-attachment', 'send-attachment', 'remove-attachment', 'send', true);
+          if (this.env.spellcheck)
+            this.enable_command('spellcheck', true);
+          if (this.env.drafts_mailbox)
+            this.enable_command('savedraft', true);
+          }
+          
+        if (this.env.messagecount)
+          this.enable_command('select-all', 'select-none', 'sort', 'expunge', true);
+
+        if (this.env.messagecount && (this.env.mailbox==this.env.trash_mailbox || this.env.mailbox==this.env.junk_mailbox))
+          this.enable_command('purge', true);
+
+        this.set_page_buttons();
+
+        // focus this window
+        window.focus();
+
+        // init message compose form
+        if (this.env.action=='compose')
+          this.init_messageform();
+
+        // show printing dialog
+        if (this.env.action=='print')
+          window.print();
+          
+        // get unread count for each mailbox
+        if (this.gui_objects.mailboxlist)
+          this.http_request('getunread', '');
+
+        break;
+
+
+      case 'addressbook':
+        var contacts_list      = this.gui_objects.contactslist;
+        var ldap_contacts_list = this.gui_objects.ldapcontactslist;
+
+        if (contacts_list)
+          this.init_contactslist(contacts_list);
+      
+        if (ldap_contacts_list)
+          this.init_ldapsearchlist(ldap_contacts_list);
+
+        this.set_page_buttons();
+          
+        if (this.env.cid)
+          this.enable_command('show', 'edit', true);
+
+        if ((this.env.action=='add' || this.env.action=='edit') && this.gui_objects.editform)
+          this.enable_command('save', true);
+      
+        this.enable_command('list', 'add', true);
+
+        this.enable_command('ldappublicsearch', this.env.ldappublicsearch);
+
+        break;
+
+
+      case 'settings':
+        this.enable_command('preferences', 'identities', 'save', 'folders', true);
+        
+        if (this.env.action=='identities' || this.env.action=='edit-identity' || this.env.action=='add-identity')
+          this.enable_command('edit', 'add', 'delete', true);
+
+        if (this.env.action=='edit-identity' || this.env.action=='add-identity')
+          this.enable_command('save', true);
+          
+        if (this.env.action=='folders')
+          this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', 'delete-folder', true);
+          
+        var identities_list = this.gui_objects.identitieslist;
+        if (identities_list)
+          this.init_identitieslist(identities_list);
+
+        break;
+
+      case 'login':
+        var input_user = rcube_find_object('_user');
+        var input_pass = rcube_find_object('_pass');
+        if (input_user && input_user.value=='')
+          input_user.focus();
+        else if (input_pass)
+          input_pass.focus();
+          
+        this.enable_command('login', true);
+        break;
+      
+      default:
+        break;
+      }
+
+
+    // enable basic commands
+    this.enable_command('logout', true);
+
+    // disable browser's contextmenus
+    // document.oncontextmenu = function(){ return false; }
+
+    // load body click event
+    document.onmousedown = function(){ return rcube_webmail_client.reset_click(); };
+    document.onkeydown   = function(e){ return rcube_webmail_client.key_pressed(e, msg_list_frame); };
+    
+    // flag object as complete
+    this.loaded = true;
+
+    // show message
+    if (this.pending_message)
+      this.display_message(this.pending_message[0], this.pending_message[1]);
+
+    // start keep-alive interval
+    this.start_keepalive();
+    };
+
+
+  // start interval for keep-alive/recent_check signal
+  this.start_keepalive = function()
+    {
+    if (this.env.keep_alive && this.task=='mail' && this.gui_objects.messagelist)
+      this._int = setInterval(this.ref+'.check_for_recent()', this.env.keep_alive * 1000);
+    else if (this.env.keep_alive && this.task!='login')
+      this._int = setInterval(this.ref+'.send_keep_alive()', this.env.keep_alive * 1000);    
+    }
+
+
+  // reset last clicked if user clicks on anything other than the message table
+  this.reset_click = function()
+    {
+    var id;
+    this.in_message_list = false;
+	for (var n=0; n<this.selection.length; n++)
+	  {
+      id = this.selection[n];
+      if (this.list_rows[id] && this.list_rows[id].obj)
+        {
+        this.set_classname(this.list_rows[id].obj, 'selected', false);
+		this.set_classname(this.list_rows[id].obj, 'unfocused', true);
+        }
+      }
+    };
+	
+  this.click_on_list = function(e)
+    {
+    if (!e)
+      e = window.event;
+
+    for (var n=0; n<this.selection.length; n++)
+      {
+      id = this.selection[n];
+      if (this.list_rows[id].obj)
+        {
+        this.set_classname(this.list_rows[id].obj, 'selected', true);
+		this.set_classname(this.list_rows[id].obj, 'unfocused', false);
+        }
+      }
+
+    var mbox_li;
+    if (mbox_li = this.get_mailbox_li()) 
+      this.set_classname(mbox_li, 'unfocused', true);
+    
+    this.in_message_list = true;
+    e.cancelBubble = true;
+    };
+
+  this.key_pressed = function(e, msg_list_frame) {
+    if (this.in_message_list != true) 
+      return true;
+    var keyCode = document.layers ? e.which : document.all ? event.keyCode : document.getElementById ? e.keyCode : 0;
+    var mod_key = this.get_modifier(e);
+    switch (keyCode) {
+      case 13:
+        this.command('show','',this);
+        break;
+      case 40:
+      case 38: 
+        return this.use_arrow_key(keyCode, mod_key, msg_list_frame);
+        break;
+      case 46:
+        return this.use_delete_key(keyCode, mod_key, msg_list_frame);
+        break;
+      default:
+        return true;
+    }
+    return true;
+  }
+
+  this.use_arrow_key = function(keyCode, mod_key, msg_list_frame) {
+    var scroll_to = 0;
+    if (keyCode == 40) { // down arrow key pressed
+      new_row = this.get_next_row();
+      if (!new_row) return false;
+      scroll_to = (Number(new_row.offsetTop) + Number(new_row.offsetHeight)) - Number(msg_list_frame.offsetHeight);
+    } else if (keyCode == 38) { // up arrow key pressed
+      new_row = this.get_prev_row();
+      if (!new_row) return false;
+      scroll_to = new_row.offsetTop;
+    } else {return true;}
+	
+    this.select_row(new_row.uid,mod_key,true);
+
+    if (((Number(new_row.offsetTop)) < (Number(msg_list_frame.scrollTop))) || 
+       ((Number(new_row.offsetTop) + Number(new_row.offsetHeight)) > (Number(msg_list_frame.scrollTop) + Number(msg_list_frame.offsetHeight)))) {
+      msg_list_frame.scrollTop = scroll_to;
+    }
+    return false;
+  };
+  
+  this.use_delete_key = function(keyCode, mod_key, msg_list_frame){
+    this.command('delete','',this);
+    return false;
+  }
+
+  // get all message rows from HTML table and init each row
+  this.init_messagelist = function(msg_list)
+    {
+    if (msg_list && msg_list.tBodies[0])
+      {
+		  
+      this.message_rows = new Array();
+
+      var row;
+      for(var r=0; r<msg_list.tBodies[0].childNodes.length; r++)
+        {
+        row = msg_list.tBodies[0].childNodes[r];
+        while (row && (row.nodeType != 1 || row.style.display == 'none')) {
+          row = row.nextSibling;
+          r++;
+        }
+        //row = msg_list.tBodies[0].rows[r];
+        if (row) this.init_message_row(row);
+        }
+      }
+      
+    // alias to common rows array
+    this.list_rows = this.message_rows;
+    };
+    
+    
+  // make references in internal array and set event handlers
+  this.init_message_row = function(row)
+    {
+    var uid, msg_icon;
+    
+    if (String(row.id).match(/rcmrow([0-9]+)/))
+      {
+      uid = RegExp.$1;
+      row.uid = uid;
+              
+      this.message_rows[uid] = {id:row.id, obj:row,
+                                classname:row.className,
+                                deleted:this.env.messages[uid] ? this.env.messages[uid].deleted : null,
+                                unread:this.env.messages[uid] ? this.env.messages[uid].unread : null,
+                                replied:this.env.messages[uid] ? this.env.messages[uid].replied : null};
+              
+      // set eventhandlers to table row
+      row.onmousedown = function(e){ return rcube_webmail_client.drag_row(e, this.uid); };
+      row.onmouseup = function(e){ return rcube_webmail_client.click_row(e, this.uid); };
+
+      if (document.all)
+        row.onselectstart = function() { return false; };
+
+      // set eventhandler to message icon
+      if ((msg_icon = row.cells[0].childNodes[0]) && row.cells[0].childNodes[0].nodeName=='IMG')
+        {                
+        msg_icon.id = 'msgicn_'+uid;
+        msg_icon._row = row;
+        msg_icon.onmousedown = function(e) { rcube_webmail_client.command('toggle_status', this); };
+                
+        // get message icon and save original icon src
+        this.message_rows[uid].icon = msg_icon;
+        }
+      }
+    };
+
+
+  // init message compose form: set focus and eventhandlers
+  this.init_messageform = function()
+    {
+    if (!this.gui_objects.messageform)
+      return false;
+    
+    //this.messageform = this.gui_objects.messageform;
+    var input_from = rcube_find_object('_from');
+    var input_to = rcube_find_object('_to');
+    var input_cc = rcube_find_object('_cc');
+    var input_bcc = rcube_find_object('_bcc');
+    var input_replyto = rcube_find_object('_replyto');
+    var input_subject = rcube_find_object('_subject');
+    var input_message = rcube_find_object('_message');
+    
+    // init live search events
+    if (input_to)
+      this.init_address_input_events(input_to);
+    if (input_cc)
+      this.init_address_input_events(input_cc);
+    if (input_bcc)
+      this.init_address_input_events(input_bcc);
+      
+    // add signature according to selected identity
+    if (input_from && input_from.type=='select-one')
+      this.change_identity(input_from);
+
+    if (input_to && input_to.value=='')
+      input_to.focus();
+    else if (input_subject && input_subject.value=='')
+      input_subject.focus();
+    else if (input_message)
+      this.set_caret2start(input_message); // input_message.focus();
+    
+    // get summary of all field values
+    this.cmp_hash = this.compose_field_hash();
+ 
+    // start the auto-save timer
+    this.auto_save_start();
+    };
+
+  this.init_address_input_events = function(obj)
+    {
+    var handler = function(e){ return rcube_webmail_client.ksearch_keypress(e,this); };
+    var handler2 = function(e){ return rcube_webmail_client.ksearch_blur(e,this); };
+	
+    if (bw.safari)
+      {
+      obj.addEventListener('keydown', handler, false);
+      // obj.addEventListener('blur', handler2, false);
+      }
+    else if (bw.mz)
+      {
+      obj.addEventListener('keypress', handler, false);
+      obj.addEventListener('blur', handler2, false);
+      }
+    else if (bw.ie)
+      {
+      obj.onkeydown = handler;
+      //obj.attachEvent('onkeydown', handler);
+      // obj.attachEvent('onblur', handler2, false);
+      }
+	
+    obj.setAttribute('autocomplete', 'off');       
+    };
+
+
+
+  // get all contact rows from HTML table and init each row
+  this.init_contactslist = function(contacts_list)
+    {
+    if (contacts_list && contacts_list.tBodies[0])
+      {
+      this.contact_rows = new Array();
+
+      var row;
+      for(var r=0; r<contacts_list.tBodies[0].childNodes.length; r++)
+        {
+        row = contacts_list.tBodies[0].childNodes[r];
+        this.init_table_row(row, 'contact_rows');
+        }
+      }
+
+    // alias to common rows array
+    this.list_rows = this.contact_rows;
+    
+    if (this.env.cid)
+      this.highlight_row(this.env.cid);
+    };
+
+
+  // get all contact rows from HTML table and init each row
+  this.init_ldapsearchlist = function(ldap_contacts_list)
+    {
+    if (ldap_contacts_list && ldap_contacts_list.tBodies[0])
+      {
+      this.ldap_contact_rows = new Array();
+
+      var row;
+      for(var r=0; r<ldap_contacts_list.tBodies[0].childNodes.length; r++)
+        {
+        row = ldap_contacts_list.tBodies[0].childNodes[r];
+        this.init_table_row(row, 'ldap_contact_rows');
+        }
+      }
+
+    // alias to common rows array
+    this.list_rows = this.ldap_contact_rows;
+    };
+
+
+  // make references in internal array and set event handlers
+  this.init_table_row = function(row, array_name)
+    {
+    var cid;
+    
+    if (String(row.id).match(/rcmrow([0-9]+)/))
+      {
+      cid = RegExp.$1;
+      row.cid = cid;
+
+      this[array_name][cid] = {id:row.id,
+                               obj:row,
+                               classname:row.className};
+
+      // set eventhandlers to table row
+      row.onmousedown = function(e) { rcube_webmail_client.in_selection_before=this.cid; return false; };  // fake for drag handler
+      row.onmouseup = function(e){ return rcube_webmail_client.click_row(e, this.cid); };
+      }
+    };
+
+
+  // get all contact rows from HTML table and init each row
+  this.init_identitieslist = function(identities_list)
+    {
+    if (identities_list && identities_list.tBodies[0])
+      {
+      this.identity_rows = new Array();
+
+      var row;
+      for(var r=0; r<identities_list.tBodies[0].childNodes.length; r++)
+        {
+        row = identities_list.tBodies[0].childNodes[r];
+        this.init_table_row(row, 'identity_rows');
+        }
+      }
+
+    // alias to common rows array
+    this.list_rows = this.identity_rows;
+    
+    if (this.env.iid)
+      this.highlight_row(this.env.iid);    
+    };
+    
+
+
+  /*********************************************************/
+  /*********       client command interface        *********/
+  /*********************************************************/
+
+
+  // execute a specific command on the web client
+  this.command = function(command, props, obj)
+    {
+    if (obj && obj.blur)
+      obj.blur();
+
+    if (this.busy)
+      return false;
+
+    // command not supported or allowed
+    if (!this.commands[command])
+      {
+      // pass command to parent window
+      if (this.env.framed && parent.rcmail && parent.rcmail.command)
+        parent.rcmail.command(command, props);
+
+      return false;
+      }
+      
+      
+   // check input before leaving compose step
+   if (this.task=='mail' && this.env.action=='compose' && (command=='list' || command=='mail' || command=='addressbook' || command=='settings'))
+     {
+     if (this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
+        return false;
+     }
+
+
+    // process command
+    switch (command)
+      {
+      case 'login':
+        if (this.gui_objects.loginform)
+          this.gui_objects.loginform.submit();
+        break;
+
+      case 'logout':
+        location.href = this.env.comm_path+'&_action=logout';
+        break;      
+
+      // commands to switch task
+      case 'mail':
+      case 'addressbook':
+      case 'settings':
+        this.switch_task(command);
+        break;
+
+
+      // misc list commands
+      case 'list':
+        if (this.task=='mail')
+          {
+          if (this.env.search_request<0 || (this.env.search_request && props != this.env.mailbox))
+            this.reset_qsearch();
+
+          // Reset message list header, unless returning from compose/read/etc
+          // don't know what this is good for (thomasb, 2006/07/25)
+          //if (this.env.mailbox != props && this.message_rows)
+          //  this.clear_message_list_header();
+
+          this.list_mailbox(props);
+          }
+        else if (this.task=='addressbook')
+          this.list_contacts();
+        break;
+
+
+      case 'sort':
+        // get the type of sorting
+        var a_sort = props.split('_');
+        var sort_col = a_sort[0];
+        var sort_order = a_sort[1] ? a_sort[1].toUpperCase() : null;
+        var header;
+        
+        // no sort order specified: toggle
+        if (sort_order==null)
+          {
+          if (this.env.sort_col==sort_col)
+            sort_order = this.env.sort_order=='ASC' ? 'DESC' : 'ASC';
+          else
+            sort_order = this.env.sort_order;
+          }
+
+        if (this.env.sort_col==sort_col && this.env.sort_order==sort_order)
+          break;
+
+        // set table header class
+        if (header = document.getElementById('rcmHead'+this.env.sort_col))
+          this.set_classname(header, 'sorted'+(this.env.sort_order.toUpperCase()), false);
+        if (header = document.getElementById('rcmHead'+sort_col))
+          this.set_classname(header, 'sorted'+sort_order, true);
+
+        // save new sort properties
+        this.env.sort_col = sort_col;
+        this.env.sort_order = sort_order;
+
+        // reload message list
+        this.list_mailbox('', '', sort_col+'_'+sort_order);
+        break;
+
+      case 'nextpage':
+        this.list_page('next');
+        break;
+
+      case 'previouspage':
+        this.list_page('prev');
+        break;
+
+      case 'expunge':
+        if (this.env.messagecount)
+          this.expunge_mailbox(this.env.mailbox);
+        break;
+
+      case 'purge':
+      case 'empty-mailbox':
+        if (this.env.messagecount)
+          this.purge_mailbox(this.env.mailbox);
+        break;
+
+
+      // common commands used in multiple tasks
+      case 'show':
+        if (this.task=='mail')
+          {
+          var uid = this.get_single_uid();
+          if (uid && (!this.env.uid || uid != this.env.uid))
+            {
+            if (this.env.mailbox==this.env.drafts_mailbox)
+              {
+              this.set_busy(true);
+              location.href = this.env.comm_path+'&_action=compose&_draft_uid='+uid+'&_mbox='+escape(this.env.mailbox);
+              }
+            else
+              this.show_message(uid);
+            }
+          }
+        else if (this.task=='addressbook')
+          {
+          var cid = props ? props : this.get_single_cid();
+          if (cid && !(this.env.action=='show' && cid==this.env.cid))
+            this.load_contact(cid, 'show');
+          }
+        break;
+
+      case 'add':
+        if (this.task=='addressbook')
+          if (!window.frames[this.env.contentframe].rcmail)
+            this.load_contact(0, 'add');
+          else
+            {
+            if (window.frames[this.env.contentframe].rcmail.selection.length)
+              this.add_ldap_contacts();
+            else
+              this.load_contact(0, 'add');
+            }
+        else if (this.task=='settings')
+          {
+          this.clear_selection();
+          this.load_identity(0, 'add-identity');
+          }
+        break;
+
+      case 'edit':
+        var cid;
+        if (this.task=='addressbook' && (cid = this.get_single_cid()))
+          this.load_contact(cid, 'edit');
+        else if (this.task=='settings' && props)
+          this.load_identity(props, 'edit-identity');
+        break;
+
+      case 'save-identity':
+      case 'save':
+        if (this.gui_objects.editform)
+          {
+          var input_pagesize = rcube_find_object('_pagesize');
+          var input_name  = rcube_find_object('_name');
+          var input_email = rcube_find_object('_email');
+
+          // user prefs
+          if (input_pagesize && isNaN(input_pagesize.value))
+            {
+            alert(this.get_label('nopagesizewarning'));
+            input_pagesize.focus();
+            break;
+            }
+          // contacts/identities
+          else
+            {
+            if (input_name && input_name.value == '')
+              {
+              alert(this.get_label('nonamewarning'));
+              input_name.focus();
+              break;
+              }
+            else if (input_email && !rcube_check_email(input_email.value))
+              {
+              alert(this.get_label('noemailwarning'));
+              input_email.focus();
+              break;
+              }
+            }
+
+          this.gui_objects.editform.submit();
+          }
+        break;
+
+      case 'delete':
+        // mail task
+        if (this.task=='mail')
+          this.delete_messages();
+        // addressbook task
+        else if (this.task=='addressbook')
+          this.delete_contacts();
+        // user settings task
+        else if (this.task=='settings')
+          this.delete_identity();
+        break;
+
+
+      // mail task commands
+      case 'move':
+      case 'moveto':
+        this.move_messages(props);
+        break;
+        
+      case 'toggle_status':
+        if (props && !props._row)
+          break;
+        
+        var uid;
+        var flag = 'read';
+        
+        if (props._row.uid)
+          {
+          uid = props._row.uid;
+          this.dont_select = true;
+          // toggle read/unread
+          if (this.message_rows[uid].deleted) {
+          	flag = 'undelete';
+          } else if (!this.message_rows[uid].unread)
+            flag = 'unread';
+          }
+          
+        this.mark_message(flag, uid);
+        break;
+        
+      case 'load-images':
+        if (this.env.uid)
+          this.show_message(this.env.uid, true);
+        break;
+
+      case 'load-attachment':
+        var url = this.env.comm_path+'&_action=get&_mbox='+this.env.mailbox+'&_uid='+this.env.uid+'&_part='+props.part;
+        
+        // open attachment in frame if it's of a supported mimetype
+        if (this.env.uid && props.mimetype && find_in_array(props.mimetype, this.mimetypes)>=0)
+          {
+          this.attachment_win = window.open(url+'&_frame=1', 'rcubemailattachment');
+          if (this.attachment_win)
+            {
+            setTimeout(this.ref+'.attachment_win.focus()', 10);
+            break;
+            }
+          }
+
+        location.href = url;
+        break;
+        
+      case 'select-all':
+        this.select_all(props);
+        break;
+
+      case 'select-none':
+        this.clear_selection();
+        break;
+
+      case 'nextmessage':
+        if (this.env.next_uid)
+          this.show_message(this.env.next_uid);
+          //location.href = this.env.comm_path+'&_action=show&_uid='+this.env.next_uid+'&_mbox='+this.env.mailbox;
+        break;
+
+      case 'previousmessage':
+        if (this.env.prev_uid)
+          this.show_message(this.env.prev_uid);
+          //location.href = this.env.comm_path+'&_action=show&_uid='+this.env.prev_uid+'&_mbox='+this.env.mailbox;
+        break;
+      
+      case 'checkmail':
+        this.check_for_recent();
+        break;
+      
+      case 'compose':
+        var url = this.env.comm_path+'&_action=compose';
+       
+        if (this.task=='mail' && this.env.mailbox==this.env.drafts_mailbox)
+          {
+          var uid;
+          if (uid = this.get_single_uid())
+            url += '&_draft_uid='+uid+'&_mbox='+escape(this.env.mailbox);
+          } 
+        // modify url if we're in addressbook
+        else if (this.task=='addressbook')
+          {
+          url = this.get_task_url('mail', url);            
+          var a_cids = new Array();
+          
+          // use contact_id passed as command parameter
+          if (props)
+            a_cids[a_cids.length] = props;
+            
+          // get selected contacts
+          else
+            {
+            if (!window.frames[this.env.contentframe].rcmail.selection.length)
+              {
+              for (var n=0; n<this.selection.length; n++)
+                a_cids[a_cids.length] = this.selection[n];
+              }
+            else
+              {
+              var frameRcmail = window.frames[this.env.contentframe].rcmail;
+              // get the email address(es)
+              for (var n=0; n<frameRcmail.selection.length; n++)
+                a_cids[a_cids.length] = frameRcmail.ldap_contact_rows[frameRcmail.selection[n]].obj.cells[1].innerHTML;
+              }
+            }
+          if (a_cids.length)
+            url += '&_to='+a_cids.join(',');
+          else
+            break;
+            
+          }
+        else if (props)
+           url += '&_to='+encodeURIComponent(props);
+
+        // don't know if this is necessary...
+        url = url.replace(/&_framed=1/, "");
+
+        this.set_busy(true);
+
+        // need parent in case we are coming from the contact frame
+        if (this.env.framed)
+          parent.location.href = url;
+        else
+          location.href = url;
+        break;
+        
+      case 'spellcheck':
+        if (this.env.spellcheck && this.env.spellcheck.spellCheck)
+          this.env.spellcheck.spellCheck(this.env.spellcheck.check_link);
+        break;
+
+      case 'savedraft':
+        // Reset the auto-save timer
+        self.clearTimeout(this.save_timer);
+
+        if (!this.gui_objects.messageform)
+          break;
+
+        // if saving Drafts is disabled in main.inc.php
+        if (!this.env.drafts_mailbox)
+          break;
+
+        this.set_busy(true, 'savingmessage');
+        var form = this.gui_objects.messageform;
+        form.target = "savetarget";
+        form.submit();
+        break;
+
+      case 'send':
+        if (!this.gui_objects.messageform)
+          break;
+
+        if (!this.check_compose_input())
+          break;
+          
+        // Reset the auto-save timer
+        self.clearTimeout(this.save_timer);
+
+        // all checks passed, send message
+        this.set_busy(true, 'sendingmessage');
+        var form = this.gui_objects.messageform;
+        form.target = "savetarget";     
+        form._draft.value = '';
+        form.submit();
+        
+        // clear timeout (sending could take longer)
+        clearTimeout(this.request_timer);
+        break;
+
+      case 'add-attachment':
+        this.show_attachment_form(true);
+        
+      case 'send-attachment':
+        // Reset the auto-save timer
+        self.clearTimeout(this.save_timer);
+
+        this.upload_file(props)      
+        break;
+      
+      case 'remove-attachment':
+        this.remove_attachment(props);
+        break;
+
+      case 'reply-all':
+      case 'reply':
+        var uid;
+        if (uid = this.get_single_uid())
+          {
+          this.set_busy(true);
+          location.href = this.env.comm_path+'&_action=compose&_reply_uid='+uid+'&_mbox='+escape(this.env.mailbox)+(command=='reply-all' ? '&_all=1' : '');
+          }
+        break;      
+
+      case 'forward':
+        var uid;
+        if (uid = this.get_single_uid())
+          {
+          this.set_busy(true);
+          location.href = this.env.comm_path+'&_action=compose&_forward_uid='+uid+'&_mbox='+escape(this.env.mailbox);
+          }
+        break;
+        
+      case 'print':
+        var uid;
+        if (uid = this.get_single_uid())
+          {
+          this.printwin = window.open(this.env.comm_path+'&_action=print&_uid='+uid+'&_mbox='+escape(this.env.mailbox)+(this.env.safemode ? '&_safe=1' : ''));
+          if (this.printwin)
+            setTimeout(this.ref+'.printwin.focus()', 20);
+          }
+        break;
+
+      case 'viewsource':
+        var uid;
+        if (uid = this.get_single_uid())
+          {          
+          this.sourcewin = window.open(this.env.comm_path+'&_action=viewsource&_uid='+this.env.uid+'&_mbox='+escape(this.env.mailbox));
+          if (this.sourcewin)
+            setTimeout(this.ref+'.sourcewin.focus()', 20);
+          }
+        break;
+
+      case 'add-contact':
+        this.add_contact(props);
+        break;
+      
+      // mail quicksearch
+      case 'search':
+        if (!props && this.gui_objects.qsearchbox)
+          props = this.gui_objects.qsearchbox.value;
+        if (props)
+          this.qsearch(escape(props), this.env.mailbox);
+        break;
+
+      // reset quicksearch        
+      case 'reset-search':
+        var s = this.env.search_request;
+        this.reset_qsearch();
+        
+        if (s)
+          this.list_mailbox(this.env.mailbox);
+        break;
+
+      // ldap search
+      case 'ldappublicsearch':
+        if (this.gui_objects.ldappublicsearchform) 
+          this.gui_objects.ldappublicsearchform.submit();
+        else 
+          this.ldappublicsearch(command);
+        break; 
+
+
+      // user settings commands
+      case 'preferences':
+        location.href = this.env.comm_path;
+        break;
+
+      case 'identities':
+        location.href = this.env.comm_path+'&_action=identities';
+        break;
+          
+      case 'delete-identity':
+        this.delete_identity();
+        
+      case 'folders':
+        location.href = this.env.comm_path+'&_action=folders';
+        break;
+
+      case 'subscribe':
+        this.subscribe_folder(props);
+        break;
+
+      case 'unsubscribe':
+        this.unsubscribe_folder(props);
+        break;
+        
+      case 'create-folder':
+        this.create_folder(props);
+        break;
+
+      case 'rename-folder':
+        this.rename_folder(props);
+        break;
+
+      case 'delete-folder':
+        if (confirm(this.get_label('deletefolderconfirm')))
+          this.delete_folder(props);
+        break;
+
+      }
+
+    return obj ? false : true;
+    };
+
+
+  // set command enabled or disabled
+  this.enable_command = function()
+    {
+    var args = arguments;
+    if(!args.length) return -1;
+
+    var command;
+    var enable = args[args.length-1];
+    
+    for(var n=0; n<args.length-1; n++)
+      {
+      command = args[n];
+      this.commands[command] = enable;
+      this.set_button(command, (enable ? 'act' : 'pas'));
+      }
+      return true;
+    };
+
+
+  // lock/unlock interface
+  this.set_busy = function(a, message)
+    {
+    if (a && message)
+      {
+      var msg = this.get_label(message);
+      if (msg==message)        
+        msg = 'Loading...';
+
+      this.display_message(msg, 'loading', true);
+      }
+    else if (!a && this.busy)
+      this.hide_message();
+
+    this.busy = a;
+    //document.body.style.cursor = a ? 'wait' : 'default';
+    
+    if (this.gui_objects.editform)
+      this.lock_form(this.gui_objects.editform, a);
+      
+    // clear pending timer
+    if (this.request_timer)
+      clearTimeout(this.request_timer);
+
+    // set timer for requests
+    if (a && this.env.request_timeout)
+      this.request_timer = setTimeout(this.ref+'.request_timed_out()', this.env.request_timeout * 1000);
+    };
+
+
+  // return a localized string
+  this.get_label = function(name)
+    {
+    if (this.labels[name])
+      return this.labels[name];
+    else
+      return name;
+    };
+
+
+  // switch to another application task
+  this.switch_task = function(task)
+    {
+    if (this.task===task && task!='mail')
+      return;
+
+    var url = this.get_task_url(task);
+    if (task=='mail')
+      url += '&_mbox=INBOX';
+
+    this.set_busy(true);
+    location.href = url;
+    };
+
+
+  this.get_task_url = function(task, url)
+    {
+    if (!url)
+      url = this.env.comm_path;
+
+    return url.replace(/_task=[a-z]+/, '_task='+task);
+    };
+    
+  
+  // called when a request timed out
+  this.request_timed_out = function()
+    {
+    this.set_busy(false);
+    this.display_message('Request timed out!', 'error');
+    };
+
+
+  /*********************************************************/
+  /*********        event handling methods         *********/
+  /*********************************************************/
+
+
+  // onmouseup handler for mailboxlist item
+  this.mbox_mouse_up = function(mbox)
+    {
+    if (this.drag_active)
+      {
+      this.unfocus_mailbox(mbox);
+      this.command('moveto', mbox);
+      }
+    else
+      this.command('list', mbox);
+  
+    return false;
+    };
+
+
+  // onmousedown-handler of message list row
+  this.drag_row = function(e, id)
+    {
+    this.in_selection_before = this.in_selection(id) ? id : false;
+
+    // don't do anything (another action processed before)
+    if (this.dont_select)
+      return false;
+
+    // selects currently unselected row
+    if (!this.in_selection_before && !this.list_rows[id].clicked)
+    {
+	  var mod_key = this.get_modifier(e);
+	  this.select_row(id,mod_key,false);
+    }
+    
+    if (this.selection.length)
+      {
+      this.drag_start = true;
+      document.onmousemove = function(e){ return rcube_webmail_client.drag_mouse_move(e); };
+      document.onmouseup = function(e){ return rcube_webmail_client.drag_mouse_up(e); };
+      }
+
+    return false;
+    };
+
+
+  // onmouseup-handler of message list row
+  this.click_row = function(e, id)
+    {
+    var mod_key = this.get_modifier(e);
+
+    // don't do anything (another action processed before)
+    if (this.dont_select)
+      {
+      this.dont_select = false;
+      return false;
+      }
+    
+    // unselects currently selected row    
+    if (!this.drag_active && this.in_selection_before==id && !this.list_rows[id].clicked)
+      this.select_row(id,mod_key,false);
+
+    this.drag_start = false;
+    this.in_selection_before = false;
+        
+    // row was double clicked
+    if (this.task=='mail' && this.list_rows && this.list_rows[id].clicked && this.in_selection(id))
+      {
+      if (this.env.mailbox==this.env.drafts_mailbox)
+        {
+        this.set_busy(true);
+        location.href = this.env.comm_path+'&_action=compose&_draft_uid='+id+'&_mbox='+escape(this.env.mailbox);
+        }
+      else
+        {
+        this.show_message(id);
+        }
+      return false;
+      }
+    else if (this.task=='addressbook')
+      {
+      if (this.contact_rows && this.selection.length==1)
+        {
+        this.load_contact(this.selection[0], 'show', true);
+        // change the text for the add contact button
+        var links = parent.document.getElementById('abooktoolbar').getElementsByTagName('A');
+        for (i = 0; i < links.length; i++)
+          {
+          var onclickstring = new String(links[i].onclick);
+          if (onclickstring.search('\"add\"') != -1)
+            links[i].title = this.env.newcontact;
+          }
+        }
+      else if (this.contact_rows && this.contact_rows[id].clicked)
+        {
+        this.load_contact(id, 'show');
+        return false;
+        }
+      else if (this.ldap_contact_rows && !this.ldap_contact_rows[id].clicked)
+        {
+        // clear selection
+        parent.rcmail.clear_selection();
+
+        // disable delete
+        parent.rcmail.set_button('delete', 'pas');
+
+        // change the text for the add contact button
+        var links = parent.document.getElementById('abooktoolbar').getElementsByTagName('A');
+        for (i = 0; i < links.length; i++)
+          {
+          var onclickstring = new String(links[i].onclick);
+          if (onclickstring.search('\"add\"') != -1)
+            links[i].title = this.env.addcontact;
+          }
+        }
+      // handle double click event
+      else if (this.ldap_contact_rows && this.selection.length==1 && this.ldap_contact_rows[id].clicked)
+        this.command('compose', this.ldap_contact_rows[id].obj.cells[1].innerHTML);
+      else if (this.env.contentframe)
+        {
+        var elm = document.getElementById(this.env.contentframe);
+        elm.style.visibility = 'hidden';
+        }
+      }
+    else if (this.task=='settings')
+      {
+      if (this.selection.length==1)
+        this.command('edit', this.selection[0]);
+      }
+
+    this.list_rows[id].clicked = true;
+    setTimeout(this.ref+'.list_rows['+id+'].clicked=false;', this.dblclick_time);
+      
+    return false;
+    };
+
+
+
+  /*********************************************************/
+  /*********     (message) list functionality      *********/
+  /*********************************************************/
+
+  // get next and previous rows that are not hidden
+  this.get_next_row = function(){
+  	if (!this.list_rows) return false;
+    var last_selected_row = this.list_rows[this.last_selected];
+    var new_row = last_selected_row.obj.nextSibling;
+    while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) {
+      new_row = new_row.nextSibling;
+    }
+    return new_row;
+  }
+  
+  this.get_prev_row = function(){
+    if (!this.list_rows) return false;
+    var last_selected_row = this.list_rows[this.last_selected];
+    var new_row = last_selected_row.obj.previousSibling;
+    while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) {
+      new_row = new_row.previousSibling;
+    }
+    return new_row;
+  }
+  
+  // highlight/unhighlight a row
+  this.highlight_row = function(id, multiple)
+    {
+    var selected = false
+    
+    if (this.list_rows[id] && !multiple)
+      {
+      this.clear_selection();
+      this.selection[0] = id;
+      this.list_rows[id].obj.className += ' selected';
+      selected = true;
+      }
+    
+    else if (this.list_rows[id])
+      {
+      if (!this.in_selection(id))  // select row
+        {
+        this.selection[this.selection.length] = id;
+        this.set_classname(this.list_rows[id].obj, 'selected', true);
+        }
+      else  // unselect row
+        {
+        var p = find_in_array(id, this.selection);
+        var a_pre = this.selection.slice(0, p);
+        var a_post = this.selection.slice(p+1, this.selection.length);
+        this.selection = a_pre.concat(a_post);
+        this.set_classname(this.list_rows[id].obj, 'selected', false);
+        this.set_classname(this.list_rows[id].obj, 'unfocused', false);
+        }
+      selected = (this.selection.length==1);
+      }
+
+    // enable/disable commands for message
+    if (this.task=='mail')
+      {
+      if (this.env.mailbox==this.env.drafts_mailbox)
+	{
+	this.enable_command('show', selected);
+	this.enable_command('delete', 'moveto', this.selection.length>0 ? true : false);
+        }
+      else
+        {
+        this.enable_command('show', 'reply', 'reply-all', 'forward', 'print', selected);
+        this.enable_command('delete', 'moveto', this.selection.length>0 ? true : false);
+        }
+      }
+    else if (this.task=='addressbook')
+      {
+      this.enable_command('edit', /*'print',*/ selected);
+      this.enable_command('delete', 'compose', this.selection.length>0 ? true : false);
+      }
+    };
+
+
+// selects or unselects the proper row depending on the modifier key pressed
+  this.select_row = function(id,mod_key,with_mouse)  { 
+  	if (!mod_key) {
+      this.shift_start = id;
+  	  this.highlight_row(id, false);
+    } else {
+      switch (mod_key) {
+        case SHIFT_KEY: { 
+          this.shift_select(id,false); 
+          break; }
+        case CONTROL_KEY: { 
+          this.shift_start = id;
+          if (!with_mouse)
+            this.highlight_row(id, true); 
+          break; 
+          }
+        case CONTROL_SHIFT_KEY: { 
+          this.shift_select(id,true);
+          break;
+          }
+        default: {
+          this.highlight_row(id, false); 
+          break;
+          }
+      }
+	}
+	if (this.last_selected != 0 && this.list_rows[this.last_selected])
+	  this.set_classname(this.list_rows[this.last_selected].obj, 'focused', false);
+
+    this.last_selected = id;
+    this.set_classname(this.list_rows[id].obj, 'focused', true);        
+  };
+
+  this.shift_select = function(id, control) {
+    var from_rowIndex = this.list_rows[this.shift_start].obj.rowIndex;
+    var to_rowIndex = this.list_rows[id].obj.rowIndex;
+        
+    var i = ((from_rowIndex < to_rowIndex)? from_rowIndex : to_rowIndex);
+    var j = ((from_rowIndex > to_rowIndex)? from_rowIndex : to_rowIndex);
+    
+	// iterate through the entire message list
+    for (var n in this.list_rows) {
+      if ((this.list_rows[n].obj.rowIndex >= i) && (this.list_rows[n].obj.rowIndex <= j)) {
+        if (!this.in_selection(n))
+          this.highlight_row(n, true);
+      } else {
+        if  (this.in_selection(n) && !control)
+          this.highlight_row(n, true);
+      }
+    }
+  };
+  
+
+  this.clear_selection = function()
+    {
+    for(var n=0; n<this.selection.length; n++)
+      if (this.list_rows[this.selection[n]]) {
+        this.set_classname(this.list_rows[this.selection[n]].obj, 'selected', false);
+        this.set_classname(this.list_rows[this.selection[n]].obj, 'unfocused', false);
+	  }
+    this.selection = new Array();    
+    };
+
+
+  // check if given id is part of the current selection
+  this.in_selection = function(id)
+    {
+    for(var n in this.selection)
+      if (this.selection[n]==id)
+        return true;
+
+    return false;    
+    };
+
+
+  // select each row in list
+  this.select_all = function(filter)
+    {
+    if (!this.list_rows || !this.list_rows.length)
+      return false;
+      
+    // reset selection first
+    this.clear_selection();
+    
+    for (var n in this.list_rows)
+      {
+      if (!filter || this.list_rows[n][filter]==true)
+        {
+        this.last_selected = n;
+        this.highlight_row(n, true);
+        }
+      }
+
+    return true;  
+    };
+    
+
+  // when user doble-clicks on a row
+  this.show_message = function(id, safe)
+    {
+    var add_url = '';
+    var target = window;
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      target = window.frames[this.env.contentframe];
+      add_url = '&_framed=1';
+      }
+      
+    if (safe)
+      add_url = '&_safe=1';
+
+    if (id)
+      {
+      this.set_busy(true, 'loading');
+      target.location.href = this.env.comm_path+'&_action=show&_uid='+id+'&_mbox='+escape(this.env.mailbox)+add_url;
+      }
+    };
+
+
+
+  // list a specific page
+  this.list_page = function(page)
+    {
+    if (page=='next')
+      page = this.env.current_page+1;
+    if (page=='prev' && this.env.current_page>1)
+      page = this.env.current_page-1;
+      
+    if (page > 0 && page <= this.env.pagecount)
+      {
+      this.env.current_page = page;
+      
+      if (this.task=='mail')
+        this.list_mailbox(this.env.mailbox, page);
+      else if (this.task=='addressbook')
+        this.list_contacts(page);
+      }
+    };
+
+
+  // list messages of a specific mailbox
+  this.list_mailbox = function(mbox, page, sort)
+    {
+    this.last_selected = 0;
+    var add_url = '';
+    var target = window;
+
+    if (!mbox)
+      mbox = this.env.mailbox;
+
+    // add sort to url if set
+    if (sort)
+      add_url += '&_sort=' + sort;
+      
+    // set page=1 if changeing to another mailbox
+    if (!page && mbox != this.env.mailbox)
+      {
+      page = 1;
+      add_url += '&_refresh=1';
+      this.env.current_page = page;
+      this.clear_selection();
+      }
+    
+    // also send search request to get the right messages
+    if (this.env.search_request)
+      add_url += '&_search='+this.env.search_request;
+      
+    this.select_mailbox(mbox);
+
+    // load message list remotely
+    if (this.gui_objects.messagelist)
+      {
+      this.list_mailbox_remote(mbox, page, add_url);
+      return;
+      }
+    
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      target = window.frames[this.env.contentframe];
+      add_url += '&_framed=1';
+      }
+
+    // load message list to target frame/window
+    if (mbox)
+      {
+      this.set_busy(true, 'loading');
+      target.location.href = this.env.comm_path+'&_mbox='+escape(mbox)+(page ? '&_page='+page : '')+add_url;
+      }
+    };
+
+
+  // send remote request to load message list
+  this.list_mailbox_remote = function(mbox, page, add_url)
+    {
+    // clear message list first
+    this.clear_message_list();
+
+    // send request to server
+    var url = '_mbox='+escape(mbox)+(page ? '&_page='+page : '');
+    this.set_busy(true, 'loading');
+    this.http_request('list', url+add_url, true);
+    };
+
+
+  this.clear_message_list = function()
+    {
+    var table = this.gui_objects.messagelist;
+   
+    var tbody = document.createElement('TBODY');
+    table.insertBefore(tbody, table.tBodies[0]);
+    table.removeChild(table.tBodies[1]);
+    
+    this.message_rows = new Array();
+    this.list_rows = this.message_rows;
+    
+    };
+
+
+  this.clear_message_list_header = function()
+    {
+    var table;
+    if (table = this.gui_objects.messagelist)
+      {
+      if (table.colgroup)
+        table.removeChild(table.colgroup);
+      if (table.tHead)
+        table.removeChild(table.tHead);
+
+      var colgroup = document.createElement('COLGROUP');
+      var thead = document.createElement('THEAD');
+      table.insertBefore(colgroup, table.tBodies[0]);
+      table.insertBefore(thead, table.tBodies[0]);
+      }
+    };
+
+
+  this.expunge_mailbox = function(mbox)
+    {
+    var lock = false;
+    var add_url = '';
+    
+    // lock interface if it's the active mailbox
+    if (mbox == this.env.mailbox)
+       {
+       lock = true;
+       this.set_busy(true, 'loading');
+       add_url = '&_reload=1';
+       }
+
+    // send request to server
+    var url = '_mbox='+escape(mbox);
+    this.http_request('expunge', url+add_url, lock);
+    };
+
+
+  this.purge_mailbox = function(mbox)
+    {
+    var lock = false;
+    var add_url = '';
+    
+    if (!confirm(this.get_label('purgefolderconfirm')))
+      return false;
+    
+    // lock interface if it's the active mailbox
+    if (mbox == this.env.mailbox)
+       {
+       lock = true;
+       this.set_busy(true, 'loading');
+       add_url = '&_reload=1';
+       }
+
+    // send request to server
+    var url = '_mbox='+escape(mbox);
+    this.http_request('purge', url+add_url, lock);
+    return true;
+    };
+    
+  this.focus_mailbox = function(mbox)
+    {
+    var mbox_li;
+  	if (this.drag_active && mbox != this.env.mailbox && (mbox_li = this.get_mailbox_li(mbox)))
+      this.set_classname(mbox_li, 'droptarget', true);
+    }
+    
+  this.unfocus_mailbox = function(mbox)
+    {
+    var mbox_li;
+  	if (this.drag_active && (mbox_li = this.get_mailbox_li(mbox)))
+      this.set_classname(mbox_li, 'droptarget', false);
+    }
+  
+  // move selected messages to the specified mailbox
+  this.move_messages = function(mbox)
+    {
+    // exit if no mailbox specified or if selection is empty
+    if (!mbox || !(this.selection.length || this.env.uid) || mbox==this.env.mailbox)
+      return;
+    
+    var a_uids = new Array();
+
+    if (this.env.uid)
+      a_uids[a_uids.length] = this.env.uid;
+    else
+      {
+      var id;
+      for (var n=0; n<this.selection.length; n++)
+        {
+        id = this.selection[n];
+        a_uids[a_uids.length] = id;
+      
+        // 'remove' message row from list (just hide it)
+        if (this.message_rows[id].obj)
+          this.message_rows[id].obj.style.display = 'none';
+        }
+      next_row = this.get_next_row();
+      prev_row = this.get_prev_row();
+      new_row = (next_row) ? next_row : prev_row;
+      if (new_row) this.select_row(new_row.uid,false,false);
+      }
+      
+    var lock = false;
+
+    // show wait message
+    if (this.env.action=='show')
+      {
+      lock = true;
+      this.set_busy(true, 'movingmessage');
+      }
+    // send request to server
+    this.http_request('moveto', '_uid='+a_uids.join(',')+'&_mbox='+escape(this.env.mailbox)+'&_target_mbox='+escape(mbox)+'&_from='+(this.env.action ? this.env.action : ''), lock);
+    };
+
+  this.permanently_remove_messages = function() {
+    // exit if no mailbox specified or if selection is empty
+    if (!(this.selection.length || this.env.uid))
+      return;
+    
+    var a_uids = new Array();
+
+    if (this.env.uid)
+      a_uids[a_uids.length] = this.env.uid;
+    else
+      {
+      var id;
+      for (var n=0; n<this.selection.length; n++)
+        {
+        id = this.selection[n];
+        a_uids[a_uids.length] = id;
+      
+        // 'remove' message row from list (just hide it)
+        if (this.message_rows[id].obj)
+          this.message_rows[id].obj.style.display = 'none';
+        }
+      }
+      next_row = this.get_next_row();
+      prev_row = this.get_prev_row();
+      new_row = (next_row) ? next_row : prev_row;
+      if (new_row) this.select_row(new_row.uid,false,false);
+
+    // send request to server
+    this.http_request('delete', '_uid='+a_uids.join(',')+'&_mbox='+escape(this.env.mailbox)+'&_from='+(this.env.action ? this.env.action : ''));
+  }
+    
+    
+  // delete selected messages from the current mailbox
+  this.delete_messages = function()
+    {
+    // exit if no mailbox specified or if selection is empty
+    if (!(this.selection.length || this.env.uid))
+      return;
+    // if there is a trash mailbox defined and we're not currently in it:
+    if (this.env.trash_mailbox && String(this.env.mailbox).toLowerCase()!=String(this.env.trash_mailbox).toLowerCase())
+      this.move_messages(this.env.trash_mailbox);
+    // if there is a trash mailbox defined but we *are* in it:
+    else if (this.env.trash_mailbox && String(this.env.mailbox).toLowerCase() == String(this.env.trash_mailbox).toLowerCase())
+      this.permanently_remove_messages();
+    // if there isn't a defined trash mailbox and the config is set to flag for deletion
+    else if (!this.env.trash_mailbox && this.env.flag_for_deletion) {
+      flag = 'delete';
+      this.mark_message(flag);
+      if(this.env.action=="show"){
+        this.command('nextmessage','',this);
+      } else if (this.selection.length == 1) {
+        next_row = this.get_next_row();
+        prev_row = this.get_prev_row();
+        new_row = (next_row) ? next_row : prev_row;
+        if (new_row) this.select_row(new_row.uid,false,false);
+      }
+    // if there isn't a defined trash mailbox and the config is set NOT to flag for deletion
+    }else if (!this.env.trash_mailbox && !this.env.flag_for_deletion) {
+      this.permanently_remove_messages();
+    }
+    return;
+  };
+
+
+  // set a specific flag to one or more messages
+  this.mark_message = function(flag, uid)
+    {
+    var a_uids = new Array();
+    
+    if (uid)
+      a_uids[0] = uid;
+    else if (this.env.uid)
+      a_uids[0] = this.env.uid;
+    else
+      {
+      var id;
+      for (var n=0; n<this.selection.length; n++)
+        {
+        id = this.selection[n];
+        a_uids[a_uids.length] = id;
+        }
+      }
+      switch (flag) {
+        case 'read':
+        case 'unread':
+          this.toggle_read_status(flag,a_uids);
+          break;
+        case 'delete':
+        case 'undelete':
+          this.toggle_delete_status(a_uids);
+          break;
+      }
+    };
+
+  // set class to read/unread
+  this.toggle_read_status = function(flag, a_uids) {
+    // mark all message rows as read/unread
+    var icn_src;
+    for (var i=0; i<a_uids.length; i++)
+      {
+      uid = a_uids[i];
+      if (this.message_rows[uid])
+        {
+        this.message_rows[uid].unread = (flag=='unread' ? true : false);
+        
+        if (this.message_rows[uid].classname.indexOf('unread')<0 && this.message_rows[uid].unread)
+          {
+          this.message_rows[uid].classname += ' unread';
+          this.set_classname(this.message_rows[uid].obj, 'unread', true);
+
+          if (this.env.unreadicon)
+            icn_src = this.env.unreadicon;
+          }
+        else if (!this.message_rows[uid].unread)
+          {
+          this.message_rows[uid].classname = this.message_rows[uid].classname.replace(/\s*unread/, '');
+          this.set_classname(this.message_rows[uid].obj, 'unread', false);
+
+          if (this.message_rows[uid].replied && this.env.repliedicon)
+            icn_src = this.env.repliedicon;
+          else if (this.env.messageicon)
+            icn_src = this.env.messageicon;
+          }
+
+        if (this.message_rows[uid].icon && icn_src)
+          this.message_rows[uid].icon.src = icn_src;
+        }
+      }
+      this.http_request('mark', '_uid='+a_uids.join(',')+'&_flag='+flag);
+  }
+  
+  // mark all message rows as deleted/undeleted
+  this.toggle_delete_status = function(a_uids) {
+    if (this.env.read_when_deleted) {
+      this.toggle_read_status('read',a_uids);
+    }
+    // if deleting message from "view message" don't bother with delete icon
+    if (this.env.action == "show")
+      return false;
+
+    if (a_uids.length==1){
+      if(this.message_rows[a_uids[0]].classname.indexOf('deleted') < 0 ){
+      	this.flag_as_deleted(a_uids)
+      } else {
+      	this.flag_as_undeleted(a_uids)
+      }
+      return true;
+    }
+    
+    var all_deleted = true;
+    
+    for (var i=0; i<a_uids.length; i++) {
+      uid = a_uids[i];
+      if (this.message_rows[uid]) {
+        if (this.message_rows[uid].classname.indexOf('deleted')<0) {
+          all_deleted = false;
+          break;
+        }
+      }
+    }
+    
+    if (all_deleted)
+      this.flag_as_undeleted(a_uids);
+    else
+      this.flag_as_deleted(a_uids);
+    
+    return true;
+  }
+
+  this.flag_as_undeleted = function(a_uids){
+    // if deleting message from "view message" don't bother with delete icon
+    if (this.env.action == "show")
+      return false;
+
+    var icn_src;
+      
+    for (var i=0; i<a_uids.length; i++) {
+      uid = a_uids[i];
+      if (this.message_rows[uid]) {
+        this.message_rows[uid].deleted = false;
+        
+        if (this.message_rows[uid].classname.indexOf('deleted') > 0) {
+          this.message_rows[uid].classname = this.message_rows[uid].classname.replace(/\s*deleted/, '');
+          this.set_classname(this.message_rows[uid].obj, 'deleted', false);
+        }
+        if (this.message_rows[uid].unread && this.env.unreadicon)
+          icn_src = this.env.unreadicon;
+        else if (this.message_rows[uid].replied && this.env.repliedicon)
+          icn_src = this.env.repliedicon;
+        else if (this.env.messageicon)
+          icn_src = this.env.messageicon;
+        if (this.message_rows[uid].icon && icn_src)
+          this.message_rows[uid].icon.src = icn_src;
+      }
+    }
+    this.http_request('mark', '_uid='+a_uids.join(',')+'&_flag=undelete');
+    return true;
+  }
+  
+  this.flag_as_deleted = function(a_uids) {
+    // if deleting message from "view message" don't bother with delete icon
+    if (this.env.action == "show")
+      return false;
+
+    for (var i=0; i<a_uids.length; i++) {
+      uid = a_uids[i];
+      if (this.message_rows[uid]) {
+        this.message_rows[uid].deleted = true;
+        
+        if (this.message_rows[uid].classname.indexOf('deleted')<0) {
+          this.message_rows[uid].classname += ' deleted';
+          this.set_classname(this.message_rows[uid].obj, 'deleted', true);
+        }
+        if (this.message_rows[uid].icon && this.env.deletedicon)
+          this.message_rows[uid].icon.src = this.env.deletedicon;
+      }
+    }
+    this.http_request('mark', '_uid='+a_uids.join(',')+'&_flag=delete');
+    return true;  
+  }
+
+
+  this.get_mailbox_li = function(mbox)
+    {
+    if (this.gui_objects.mailboxlist)
+      {
+      mbox = String((mbox ? mbox : this.env.mailbox)).toLowerCase().replace(this.mbox_expression, '');
+      return document.getElementById('rcmbx'+mbox);
+      }
+    
+    return null;
+    };
+    
+
+  /*********************************************************/
+  /*********        message compose methods        *********/
+  /*********************************************************/
+  
+  
+  // checks the input fields before sending a message
+  this.check_compose_input = function()
+    {
+    // check input fields
+    var input_to = rcube_find_object('_to');
+    var input_subject = rcube_find_object('_subject');
+    var input_message = rcube_find_object('_message');
+
+    // check for empty recipient
+    if (input_to && !rcube_check_email(input_to.value, true))
+      {
+      alert(this.get_label('norecipientwarning'));
+      input_to.focus();
+      return false;
+      }
+
+    // display localized warning for missing subject
+    if (input_subject && input_subject.value == '')
+      {
+      var subject = prompt(this.get_label('nosubjectwarning'), this.get_label('nosubject'));
+
+      // user hit cancel, so don't send
+      if (!subject && subject !== '')
+        {
+        input_subject.focus();
+        return false;
+        }
+      else
+        {
+        input_subject.value = subject ? subject : this.get_label('nosubject');            
+        }
+      }
+
+    // check for empty body
+    if (input_message.value=='')
+      {
+      if (!confirm(this.get_label('nobodywarning')))
+        {
+        input_message.focus();
+        return false;
+        }
+      }
+
+    return true;
+    };
+
+
+  this.auto_save_start = function()
+    {
+    if (this.env.draft_autosave)
+      this.save_timer = self.setTimeout(this.ref+'.command("savedraft")', this.env.draft_autosave * 1000);
+    };
+
+
+  this.compose_field_hash = function()
+    {
+    // check input fields
+    var input_to = rcube_find_object('_to');
+    var input_cc = rcube_find_object('_to');
+    var input_bcc = rcube_find_object('_to');
+    var input_subject = rcube_find_object('_subject');
+    var input_message = rcube_find_object('_message');
+    
+    var str = '';
+    if (input_to && input_to.value)
+      str += input_to.value+':';
+    if (input_cc && input_cc.value)
+      str += input_cc.value+':';
+    if (input_bcc && input_bcc.value)
+      str += input_bcc.value+':';
+    if (input_subject && input_subject.value)
+      str += input_subject.value+':';
+    if (input_message && input_message.value)
+      str += input_message.value;
+
+    return str;
+    };
+    
+  
+  this.change_identity = function(obj)
+    {
+    if (!obj || !obj.options)
+      return false;
+
+    var id = obj.options[obj.selectedIndex].value;
+    var input_message = rcube_find_object('_message');
+    var message = input_message ? input_message.value : '';
+    var sig, p;
+
+    if (!this.env.identity)
+      this.env.identity = id
+
+    // remove the 'old' signature
+    if (this.env.identity && this.env.signatures && this.env.signatures[this.env.identity])
+      {
+      sig = this.env.signatures[this.env.identity];
+      if (sig.indexOf('--')!=0)
+        sig = '--\n'+sig;
+
+      p = message.lastIndexOf(sig);
+      if (p>=0)
+        message = message.substring(0, p-1) + message.substring(p+sig.length, message.length);
+      }
+
+    // add the new signature string
+    if (this.env.signatures && this.env.signatures[id])
+      {
+      sig = this.env.signatures[id];
+      if (sig.indexOf('--')!=0)
+        sig = '--\n'+sig;
+      message += '\n'+sig;
+      }
+
+    if (input_message)
+      input_message.value = message;
+      
+    this.env.identity = id;
+    return true;
+    };
+
+
+  this.show_attachment_form = function(a)
+    {
+    if (!this.gui_objects.uploadbox)
+      return false;
+      
+    var elm, list;
+    if (elm = this.gui_objects.uploadbox)
+      {
+      if (a &&  (list = this.gui_objects.attachmentlist))
+        {
+        var pos = rcube_get_object_pos(list);
+        var left = pos.x;
+        var top = pos.y + list.offsetHeight + 10;
+      
+        elm.style.top = top+'px';
+        elm.style.left = left+'px';
+        }
+      
+      elm.style.visibility = a ? 'visible' : 'hidden';
+      }
+      
+    // clear upload form
+    if (!a && this.gui_objects.attachmentform && this.gui_objects.attachmentform!=this.gui_objects.messageform)
+      this.gui_objects.attachmentform.reset();
+    
+    return true;  
+    };
+
+
+  // upload attachment file
+  this.upload_file = function(form)
+    {
+    
+    if (!form)
+      return false;
+      
+    // get file input fields
+    var send = false;
+    for (var n=0; n<form.elements.length; n++)
+      if (form.elements[n].type=='file' && form.elements[n].value)
+        {
+        send = true;
+        break;
+        }
+    
+    // create hidden iframe and post upload form
+    if (send)
+      {
+      var ts = new Date().getTime();
+      var frame_name = 'rcmupload'+ts;
+
+      // have to do it this way for IE
+      // otherwise the form will be posted to a new window
+      if(document.all && !window.opera)
+        {
+        var html = '<iframe name="'+frame_name+'" src="program/blank.gif" style="width:0;height:0;visibility:hidden;"></iframe>';
+        document.body.insertAdjacentHTML('BeforeEnd',html);
+        }
+      else  // for standards-compilant browsers
+        {
+        var frame = document.createElement('IFRAME');
+        frame.name = frame_name;
+        frame.width = 10;
+        frame.height = 10;
+        frame.style.visibility = 'hidden';
+        document.body.appendChild(frame);
+        }
+
+      form.target = frame_name;
+      form.action = this.env.comm_path+'&_action=upload';
+      form.setAttribute('enctype', 'multipart/form-data');
+      form.submit();
+      }
+    
+    // set reference to the form object
+    this.gui_objects.attachmentform = form;
+    return true;
+    };
+
+
+  // add file name to attachment list
+  // called from upload page
+  this.add2attachment_list = function(name, content)
+    {
+    if (!this.gui_objects.attachmentlist)
+      return false;
+
+    var li = document.createElement('LI');
+    li.id = name;
+    li.innerHTML = content;
+    this.gui_objects.attachmentlist.appendChild(li);
+    return true;
+    };
+
+  this.remove_from_attachment_list = function(name)
+    {
+    if (!this.gui_objects.attachmentlist)
+      return false;
+
+    var list = this.gui_objects.attachmentlist.getElementsByTagName("li");
+    for (i=0;i<list.length;i++)
+      if (list[i].id == name)
+        this.gui_objects.attachmentlist.removeChild(list[i]);
+    };
+
+  this.remove_attachment = function(name)
+    {
+    if (name)
+      this.http_request('remove-attachment', '_file='+escape(name));
+
+    return true;
+    };
+
+  // send remote request to add a new contact
+  this.add_contact = function(value)
+    {
+    if (value)
+      this.http_request('addcontact', '_address='+value);
+    
+    return true;
+    };
+
+  // send remote request to search mail
+  this.qsearch = function(value, mbox)
+    {
+    if (value && mbox)
+      {
+      this.clear_message_list();
+      this.set_busy(true, 'searching');
+      this.http_request('search', '_search='+value+'&_mbox='+mbox, true);
+      }
+    return true;
+    };
+
+  // reset quick-search form
+  this.reset_qsearch = function()
+    {
+    if (this.gui_objects.qsearchbox)
+      this.gui_objects.qsearchbox.value = '';
+      
+    this.env.search_request = null;
+    return true;
+    };
+
+
+  this.sent_successfully = function(msg)
+    {
+    this.list_mailbox();
+    this.display_message(msg, 'confirmation', true);
+    }
+
+
+  /*********************************************************/
+  /*********     keyboard live-search methods      *********/
+  /*********************************************************/
+
+
+  // handler for keyboard events on address-fields
+  this.ksearch_keypress = function(e, obj)
+    {
+    if (typeof(this.env.contacts)!='object' || !this.env.contacts.length)
+      return true;
+
+    if (this.ksearch_timer)
+      clearTimeout(this.ksearch_timer);
+
+    if (!e)
+      e = window.event;
+      
+    var highlight;
+    var key = e.keyCode ? e.keyCode : e.which;
+
+    switch (key)
+      {
+      case 38:  // key up
+      case 40:  // key down
+        if (!this.ksearch_pane)
+          break;
+          
+        var dir = key==38 ? 1 : 0;
+        var next;
+        
+        highlight = document.getElementById('rcmksearchSelected');
+        if (!highlight)
+          highlight = this.ksearch_pane.ul.firstChild;
+        
+        if (highlight && (next = dir ? highlight.previousSibling : highlight.nextSibling))
+          {
+          highlight.removeAttribute('id');
+          //highlight.removeAttribute('class');
+          this.set_classname(highlight, 'selected', false);
+          }
+
+        if (next)
+          {
+          next.setAttribute('id', 'rcmksearchSelected');
+          this.set_classname(next, 'selected', true);
+          this.ksearch_selected = next._rcm_id;
+          }
+
+        if (e.preventDefault)
+          e.preventDefault();
+        return false;
+
+      case 9:  // tab
+        if(e.shiftKey)
+          break;
+
+      case 13:  // enter     
+        if (this.ksearch_selected===null || !this.ksearch_input || !this.ksearch_value)
+          break;
+
+        // get cursor pos
+        var inp_value = this.ksearch_input.value.toLowerCase();
+        var cpos = this.get_caret_pos(this.ksearch_input);
+        var p = inp_value.lastIndexOf(this.ksearch_value, cpos);
+        
+        // replace search string with full address
+        var pre = this.ksearch_input.value.substring(0, p);
+        var end = this.ksearch_input.value.substring(p+this.ksearch_value.length, this.ksearch_input.value.length);
+        var insert = this.env.contacts[this.ksearch_selected]+', ';
+        this.ksearch_input.value = pre + insert + end;
+        
+        //this.ksearch_input.value = this.ksearch_input.value.substring(0, p)+insert;
+        
+        // set caret to insert pos
+        cpos = p+insert.length;
+        if (this.ksearch_input.setSelectionRange)
+          this.ksearch_input.setSelectionRange(cpos, cpos);
+        
+        // hide ksearch pane
+        this.ksearch_hide();
+      
+        if (e.preventDefault)
+          e.preventDefault();
+        return false;
+
+      case 27:  // escape
+        this.ksearch_hide();
+        break;
+
+      }
+
+    // start timer
+    this.ksearch_timer = setTimeout(this.ref+'.ksearch_get_results()', 200);      
+    this.ksearch_input = obj;
+    
+    return true;
+    };
+
+
+  // address search processor
+  this.ksearch_get_results = function()
+    {
+    var inp_value = this.ksearch_input ? this.ksearch_input.value : null;
+    if (inp_value===null)
+      return;
+
+    // get string from current cursor pos to last comma
+    var cpos = this.get_caret_pos(this.ksearch_input);
+    var p = inp_value.lastIndexOf(',', cpos-1);
+    var q = inp_value.substring(p+1, cpos);
+
+    // trim query string
+    q = q.replace(/(^\s+|\s+$)/g, '').toLowerCase();
+
+    if (!q.length || q==this.ksearch_value)
+      {
+      if (!q.length && this.ksearch_pane && this.ksearch_pane.visible)
+        this.ksearch_pane.show(0);
+
+      return;
+      }
+
+    this.ksearch_value = q;
+    
+    // start searching the contact list
+    var a_results = new Array();
+    var a_result_ids = new Array();
+    var c=0;
+    for (var i=0; i<this.env.contacts.length; i++)
+      {
+      if (this.env.contacts[i].toLowerCase().indexOf(q)>=0)
+        {
+        a_results[c] = this.env.contacts[i];
+        a_result_ids[c++] = i;
+        
+        if (c==15)  // limit search results
+          break;
+        }
+      }
+
+    // display search results
+    if (c && a_results.length)
+      {
+      var p, ul, li;
+      
+      // create results pane if not present
+      if (!this.ksearch_pane)
+        {
+        ul = document.createElement('UL');
+        this.ksearch_pane = new rcube_layer('rcmKSearchpane', {vis:0, zindex:30000});
+        this.ksearch_pane.elm.appendChild(ul);
+        this.ksearch_pane.ul = ul;
+        }
+      else
+        ul = this.ksearch_pane.ul;
+
+      // remove all search results
+      ul.innerHTML = '';
+            
+      // add each result line to list
+      for (i=0; i<a_results.length; i++)
+        {
+        li = document.createElement('LI');
+        li.innerHTML = a_results[i].replace(/</, '&lt;').replace(/>/, '&gt;');
+        li._rcm_id = a_result_ids[i];
+        ul.appendChild(li);
+        }
+
+      // check if last selected item is still in result list
+      if (this.ksearch_selected!==null)
+        {
+        p = find_in_array(this.ksearch_selected, a_result_ids);
+        if (p>=0 && ul.childNodes)
+          {
+          ul.childNodes[p].setAttribute('id', 'rcmksearchSelected');
+          this.set_classname(ul.childNodes[p], 'selected', true);
+          }
+        else
+          this.ksearch_selected = null;
+        }
+      
+      // if no item selected, select the first one
+      if (this.ksearch_selected===null)
+        {
+        ul.firstChild.setAttribute('id', 'rcmksearchSelected');
+        this.set_classname(ul.firstChild, 'selected', true);
+        this.ksearch_selected = a_result_ids[0];
+        }
+
+      // resize the containing layer to fit the list
+      //this.ksearch_pane.resize(ul.offsetWidth, ul.offsetHeight);
+    
+      // move the results pane right under the input box and make it visible
+      var pos = rcube_get_object_pos(this.ksearch_input);
+      this.ksearch_pane.move(pos.x, pos.y+this.ksearch_input.offsetHeight);
+      this.ksearch_pane.show(1); 
+      }
+    // hide results pane
+    else
+      this.ksearch_hide();
+    };
+
+
+  this.ksearch_blur = function(e, obj)
+    {
+    if (this.ksearch_timer)
+      clearTimeout(this.ksearch_timer);
+
+    this.ksearch_value = '';      
+    this.ksearch_input = null;
+    
+    this.ksearch_hide();
+    };
+
+
+  this.ksearch_hide = function()
+    {
+    this.ksearch_selected = null;
+    
+    if (this.ksearch_pane)
+      this.ksearch_pane.show(0);    
+    };
+
+
+
+  /*********************************************************/
+  /*********         address book methods          *********/
+  /*********************************************************/
+
+
+  this.list_contacts = function(page)
+    {
+    var add_url = '';
+    var target = window;
+    
+    if (page && this.current_page==page)
+      return false;
+
+    // load contacts remotely
+    if (this.gui_objects.contactslist)
+      {
+      this.list_contacts_remote(page);
+      return;
+      }
+
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      target = window.frames[this.env.contentframe];
+      add_url = '&_framed=1';
+      }
+
+    this.set_busy(true, 'loading');
+    location.href = this.env.comm_path+(page ? '&_page='+page : '')+add_url;
+    };
+
+
+  // send remote request to load contacts list
+  this.list_contacts_remote = function(page)
+    {
+    // clear list
+    var table = this.gui_objects.contactslist;
+    var tbody = document.createElement('TBODY');
+    table.insertBefore(tbody, table.tBodies[0]);
+    table.tBodies[1].style.display = 'none';
+    
+    this.contact_rows = new Array();
+    this.list_rows = this.contact_rows;
+
+    // send request to server
+    var url = page ? '&_page='+page : '';
+    this.set_busy(true, 'loading');
+    this.http_request('list', url, true);
+    };
+
+
+  // load contact record
+  this.load_contact = function(cid, action, framed)
+    {
+    var add_url = '';
+    var target = window;
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      add_url = '&_framed=1';
+      target = window.frames[this.env.contentframe];
+      document.getElementById(this.env.contentframe).style.visibility = 'inherit';
+      }
+    else if (framed)
+      return false;
+      
+    //if (this.env.framed && add_url=='')
+    
+    //  add_url = '&_framed=1';
+    
+    if (action && (cid || action=='add'))
+      {
+      this.set_busy(true);
+      target.location.href = this.env.comm_path+'&_action='+action+'&_cid='+cid+add_url;
+      }
+    return true;
+    };
+
+
+  this.delete_contacts = function()
+    {
+    // exit if no mailbox specified or if selection is empty
+    if (!(this.selection.length || this.env.cid) || !confirm(this.get_label('deletecontactconfirm')))
+      return;
+      
+    var a_cids = new Array();
+
+    if (this.env.cid)
+      a_cids[a_cids.length] = this.env.cid;
+    else
+      {
+      var id;
+      for (var n=0; n<this.selection.length; n++)
+        {
+        id = this.selection[n];
+        a_cids[a_cids.length] = id;
+      
+        // 'remove' row from list (just hide it)
+        if (this.contact_rows[id].obj)
+          this.contact_rows[id].obj.style.display = 'none';
+        }
+
+      // hide content frame if we delete the currently displayed contact
+      if (this.selection.length==1 && this.env.contentframe)
+        {
+        var elm = document.getElementById(this.env.contentframe);
+        elm.style.visibility = 'hidden';
+        }
+      }
+
+    // send request to server
+    this.http_request('delete', '_cid='+a_cids.join(',')+'&_from='+(this.env.action ? this.env.action : ''));
+    return true;
+    };
+
+
+  // update a contact record in the list
+  this.update_contact_row = function(cid, cols_arr)
+    {
+    if (!this.contact_rows[cid] || !this.contact_rows[cid].obj)
+      return false;
+      
+    var row = this.contact_rows[cid].obj;
+    for (var c=0; c<cols_arr.length; c++){
+      if (row.cells[c])
+        row.cells[c].innerHTML = cols_arr[c];
+    }
+    return true;
+    };
+  
+  
+  // load ldap search form
+  this.ldappublicsearch = function(action)
+    {
+    var add_url = '';
+    var target = window;
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      add_url = '&_framed=1';
+      target = window.frames[this.env.contentframe];
+      document.getElementById(this.env.contentframe).style.visibility = 'inherit';
+      }
+    else
+      return false; 
+
+
+    if (action == 'ldappublicsearch')
+      target.location.href = this.env.comm_path+'&_action='+action+add_url;
+      
+    return true;
+    };
+ 
+  // add ldap contacts to address book
+  this.add_ldap_contacts = function()
+    {
+    if (window.frames[this.env.contentframe].rcmail)
+      {
+      var frame = window.frames[this.env.contentframe];
+
+      // build the url
+      var url    = '&_framed=1';
+      var emails = '&_emails=';
+      var names  = '&_names=';
+      var end    = '';
+      for (var n=0; n<frame.rcmail.selection.length; n++)
+        {
+        end = n < frame.rcmail.selection.length - 1 ? ',' : '';
+        emails += frame.rcmail.ldap_contact_rows[frame.rcmail.selection[n]].obj.cells[1].innerHTML + end;
+        names  += frame.rcmail.ldap_contact_rows[frame.rcmail.selection[n]].obj.cells[0].innerHTML + end;
+        }
+       
+      frame.location.href = this.env.comm_path + '&_action=save&_framed=1' + emails + names;
+      }
+    return false;
+    }
+  
+
+
+  /*********************************************************/
+  /*********        user settings methods          *********/
+  /*********************************************************/
+
+
+  // load contact record
+  this.load_identity = function(id, action)
+    {
+    if (action=='edit-identity' && (!id || id==this.env.iid))
+      return false;
+
+    var add_url = '';
+    var target = window;
+    if (this.env.contentframe && window.frames && window.frames[this.env.contentframe])
+      {
+      add_url = '&_framed=1';
+      target = window.frames[this.env.contentframe];
+      document.getElementById(this.env.contentframe).style.visibility = 'inherit';
+      }
+
+    if (action && (id || action=='add-identity'))
+      {
+      this.set_busy(true);
+      target.location.href = this.env.comm_path+'&_action='+action+'&_iid='+id+add_url;
+      }
+    return true;
+    };
+
+
+
+  this.delete_identity = function(id)
+    {
+    // exit if no mailbox specified or if selection is empty
+    if (!(this.selection.length || this.env.iid))
+      return;
+    
+    if (!id)
+      id = this.env.iid ? this.env.iid : this.selection[0];
+
+/*
+    // 'remove' row from list (just hide it)
+    if (this.identity_rows && this.identity_rows[id].obj)
+      {
+      this.clear_selection();
+      this.identity_rows[id].obj.style.display = 'none';
+      }
+*/
+
+    // if (this.env.framed && id)
+      this.set_busy(true);
+      location.href = this.env.comm_path+'&_action=delete-identity&_iid='+id;     
+    // else if (id)
+    //  this.http_request('delete-identity', '_iid='+id);
+    return true;
+    };
+
+
+  // tell server to create and subscribe a new mailbox
+  this.create_folder = function(name)
+    {
+	if (this.edit_folder)
+	  this.reset_folder_rename();
+
+    var form;
+    if ((form = this.gui_objects.editform) && form.elements['_folder_name'])
+      name = form.elements['_folder_name'].value;
+
+    if (name)
+      this.http_request('create-folder', '_name='+escape(name), true);
+    else if (form.elements['_folder_name'])
+      form.elements['_folder_name'].focus();
+    };
+
+
+  // entry point for folder renaming
+  this.rename_folder = function(props)
+    {
+    var form, oldname, newname;
+    
+    // rename a specific mailbox
+    if (props)
+      this.edit_foldername(props);
+
+    // use a dropdown and input field (old behavior)
+    else if ((form = this.gui_objects.editform) && form.elements['_folder_oldname'] && form.elements['_folder_newname'])
+      {
+      oldname = form.elements['_folder_oldname'].value;
+      newname = form.elements['_folder_newname'].value;
+      }
+
+    if (oldname && newname)
+      this.http_request('rename-folder', '_folder_oldname='+escape(oldname)+'&_folder_newname='+escape(newname));
+    };
+
+
+  // start editing the mailbox name.
+  // this will replace the name string with an input field
+  this.edit_foldername = function(folder)
+    {
+    var temp, row, form;
+    var id = this.get_folder_row_id(folder);
+
+    // reset current renaming
+	if (temp = this.edit_folder)
+	  {
+	  this.reset_folder_rename();
+	  if (temp == id)
+	    return;
+	  }
+
+    if (id && (row = document.getElementById(id)))
+      {
+      this.name_input = document.createElement('INPUT');
+      this.name_input.value = this.env.subscriptionrows[id];
+      this.name_input.style.width = '100%';
+      this.name_input.onkeypress = function(e){ rcmail.name_input_keypress(e); };
+      
+      row.cells[0].replaceChild(this.name_input, row.cells[0].firstChild);
+      this.edit_folder = id;
+      this.name_input.select();
+      
+      if (form = this.gui_objects.editform)
+        form.onsubmit = function(){ return false; };
+      }
+    };
+
+
+  // remove the input field and write the current mailbox name to the table cell
+  this.reset_folder_rename = function()
+    {
+    var cell = this.name_input ? this.name_input.parentNode : null;
+    if (cell && this.edit_folder)
+      cell.innerHTML = this.env.subscriptionrows[this.edit_folder];
+      
+    this.edit_folder = null;
+    };
+
+
+  // handler for keyboard events on the input field
+  this.name_input_keypress = function(e)
+    {
+    var key = document.all ? event.keyCode : document.getElementById ? e.keyCode : 0;
+
+    // enter
+    if (key==13)
+      {
+      var newname = this.name_input ? this.name_input.value : null;
+      if (this.edit_folder && newname)
+        this.http_request('rename-folder', '_folder_oldname='+escape(this.env.subscriptionrows[this.edit_folder])+'&_folder_newname='+escape(newname));        
+      }
+    // escape
+    else if (key==27)
+      this.reset_folder_rename();
+    };
+
+
+  // delete a specific mailbox with all its messages
+  this.delete_folder = function(folder)
+    {
+	if (this.edit_folder)
+	  this.reset_folder_rename();
+    
+    if (folder)
+      this.http_request('delete-folder', '_mboxes='+escape(folder));
+    };
+
+
+  // add a new folder to the subscription list by cloning a folder row
+  this.add_folder_row = function(name, replace)
+    {
+    name = name.replace('\\',"");
+    if (!this.gui_objects.subscriptionlist)
+      return false;
+
+    for (var refid in this.env.subscriptionrows)
+      if (this.env.subscriptionrows[refid]!=null)
+        break;
+
+    var refrow, form;
+    var tbody = this.gui_objects.subscriptionlist.tBodies[0];
+    var id = replace && replace.id ? replace.id : tbody.childNodes.length+1;
+
+    if (!id || !(refrow = document.getElementById(refid)))
+      {
+      // Refresh page if we don't have a table row to clone
+      location.href = this.env.comm_path+'&_action=folders';
+      }
+    else
+      {
+      // clone a table row if there are existing rows
+      var row = this.clone_table_row(refrow);
+      row.id = 'rcmrow'+id;
+      if (replace)
+        tbody.replaceChild(row, replace);
+      else
+        tbody.appendChild(row);
+      }
+
+    // add to folder/row-ID map
+    this.env.subscriptionrows[row.id] = name;
+
+    // set folder name
+    row.cells[0].innerHTML = name;
+    if (row.cells[1] && row.cells[1].firstChild.tagName=='INPUT')
+      {
+      row.cells[1].firstChild.value = name;
+      row.cells[1].firstChild.checked = true;
+      }
+       
+    if (row.cells[2] && row.cells[2].firstChild.tagName=='A')
+      row.cells[2].firstChild.onclick = new Function(this.ref+".command('rename-folder','"+name.replace('\'','\\\'')+"')");
+    if (row.cells[3] && row.cells[3].firstChild.tagName=='A')
+      row.cells[3].firstChild.onclick = new Function(this.ref+".command('delete-folder','"+name.replace('\'','\\\'')+"')");
+
+    // add new folder to rename-folder list and clear input field
+    if (!replace && (form = this.gui_objects.editform))
+      {
+      if (form.elements['_folder_oldname'])
+        form.elements['_folder_oldname'].options[form.elements['_folder_oldname'].options.length] = new Option(name,name);
+      if (form.elements['_folder_name'])
+        form.elements['_folder_name'].value = ''; 
+      }
+
+    };
+
+
+  // replace an existing table row with a new folder line
+  this.replace_folder_row = function(newfolder, oldfolder)
+    {
+    var id = this.get_folder_row_id(oldfolder);
+    var row = document.getElementById(id);
+    
+    // replace an existing table row (if found)
+    this.add_folder_row(newfolder, row);
+    this.env.subscriptionrows[id] = null;
+    
+    // rename folder in rename-folder dropdown
+    var form, elm;
+    if ((form = this.gui_objects.editform) && (elm = form.elements['_folder_oldname']))
+      {
+      for (var i=0;i<elm.options.length;i++)
+        {
+        if (elm.options[i].value == oldfolder)
+          {
+          elm.options[i].text = newfolder;
+          elm.options[i].value = newfolder;
+          break;
+          }
+        }
+
+      form.elements['_folder_newname'].value = '';
+      }
+    };
+    
+
+  // remove the table row of a specific mailbox from the table
+  // (the row will not be removed, just hidden)
+  this.remove_folder_row = function(folder)
+    {
+    var row;
+    var id = this.get_folder_row_id(folder);
+    if (id && (row = document.getElementById(id)))
+      row.style.display = 'none';    
+
+    // remove folder from rename-folder list
+    var form;
+    if ((form = this.gui_objects.editform) && form.elements['_folder_oldname'])
+      {
+      for (var i=0;i<form.elements['_folder_oldname'].options.length;i++)
+        {
+        if (form.elements['_folder_oldname'].options[i].value == folder) 
+          {
+          form.elements['_folder_oldname'].options[i] = null;
+          break;
+          }
+        }
+      }
+    
+    if (form && form.elements['_folder_newname'])
+      form.elements['_folder_newname'].value = '';
+    };
+
+
+  this.subscribe_folder = function(folder)
+    {
+    var form;
+    if ((form = this.gui_objects.editform) && form.elements['_unsubscribed'])
+      this.change_subscription('_unsubscribed', '_subscribed', 'subscribe');
+    else if (folder)
+      this.http_request('subscribe', '_mboxes='+escape(folder));
+    };
+
+
+  this.unsubscribe_folder = function(folder)
+    {
+    var form;
+    if ((form = this.gui_objects.editform) && form.elements['_subscribed'])
+      this.change_subscription('_subscribed', '_unsubscribed', 'unsubscribe');
+    else if (folder)
+      this.http_request('unsubscribe', '_mboxes='+escape(folder));
+    };
+    
+
+  this.change_subscription = function(from, to, action)
+    {
+    var form;
+    if (form = this.gui_objects.editform)
+      {
+      var a_folders = new Array();
+      var list_from = form.elements[from];
+
+      for (var i=0; list_from && i<list_from.options.length; i++)
+        {
+        if (list_from.options[i] && list_from.options[i].selected)
+          {
+          a_folders[a_folders.length] = list_from.options[i].value;
+          list_from[i] = null;
+          i--;
+          }
+        }
+
+      // yes, we have some folders selected
+      if (a_folders.length)
+        {
+        var list_to = form.elements[to];
+        var index;
+        
+        for (var n=0; n<a_folders.length; n++)
+          {
+          index = list_to.options.length;
+          list_to[index] = new Option(a_folders[n]);
+          }
+          
+        this.http_request(action, '_mboxes='+escape(a_folders.join(',')));
+        }
+      }
+      
+    };
+
+  // helper method to find a specific mailbox row ID
+  this.get_folder_row_id = function(folder)
+    {
+    for (var id in this.env.subscriptionrows)
+      if (this.env.subscriptionrows[id]==folder)
+        break;
+        
+    return id;
+    };
+
+  // duplicate a specific table row
+  this.clone_table_row = function(row)
+    {
+    var cell, td;
+    var new_row = document.createElement('TR');
+    for(var n=0; n<row.childNodes.length; n++)
+      {
+      cell = row.childNodes[n];
+      td = document.createElement('TD');
+
+      if (cell.className)
+        td.className = cell.className;
+      if (cell.align)
+        td.setAttribute('align', cell.align);
+        
+      td.innerHTML = cell.innerHTML;
+      new_row.appendChild(td);
+      }
+    
+    return new_row;
+    };
+
+
+  /*********************************************************/
+  /*********           GUI functionality           *********/
+  /*********************************************************/
+
+
+  // eable/disable buttons for page shifting
+  this.set_page_buttons = function()
+    {
+    this.enable_command('nextpage', (this.env.pagecount > this.env.current_page));
+    this.enable_command('previouspage', (this.env.current_page > 1));
+    }
+
+
+  // set button to a specific state
+  this.set_button = function(command, state)
+    {
+    var a_buttons = this.buttons[command];
+    var button, obj;
+
+    if(!a_buttons || !a_buttons.length)
+      return;
+
+    for(var n=0; n<a_buttons.length; n++)
+      {
+      button = a_buttons[n];
+      obj = document.getElementById(button.id);
+
+      // get default/passive setting of the button
+      if (obj && button.type=='image' && !button.status)
+        button.pas = obj._original_src ? obj._original_src : obj.src;
+      else if (obj && !button.status)
+        button.pas = String(obj.className);
+
+      // set image according to button state
+      if (obj && button.type=='image' && button[state])
+        {
+        button.status = state;        
+        obj.src = button[state];
+        }
+      // set class name according to button state
+      else if (obj && typeof(button[state])!='undefined')
+        {
+        button.status = state;        
+        obj.className = button[state];        
+        }
+      // disable/enable input buttons
+      if (obj && button.type=='input')
+        {
+        button.status = state;
+        obj.disabled = !state;
+        }
+      }
+    };
+
+
+  // mouse over button
+  this.button_over = function(command, id)
+    {
+    var a_buttons = this.buttons[command];
+    var button, img;
+
+    if(!a_buttons || !a_buttons.length)
+      return;
+
+    for(var n=0; n<a_buttons.length; n++)
+      {
+      button = a_buttons[n];
+      if(button.id==id && button.status=='act')
+        {
+        img = document.getElementById(button.id);
+        if (img && button.over)
+          img.src = button.over;
+        }
+      }
+    };
+
+  // mouse down on button
+  this.button_sel = function(command, id)
+    {
+    var a_buttons = this.buttons[command];
+    var button, img;
+
+    if(!a_buttons || !a_buttons.length)
+      return;
+
+    for(var n=0; n<a_buttons.length; n++)
+      {
+      button = a_buttons[n];
+      if(button.id==id && button.status=='act')
+        {
+        img = document.getElementById(button.id);
+        if (img && button.sel)
+          img.src = button.sel;
+        }
+      }
+    };
+
+  // mouse out of button
+  this.button_out = function(command, id)
+    {
+    var a_buttons = this.buttons[command];
+    var button, img;
+
+    if(!a_buttons || !a_buttons.length)
+      return;
+
+    for(var n=0; n<a_buttons.length; n++)
+      {
+      button = a_buttons[n];
+      if(button.id==id && button.status=='act')
+        {
+        img = document.getElementById(button.id);
+        if (img && button.act)
+          img.src = button.act;
+        }
+      }
+    };
+
+
+  // set/unset a specific class name
+  this.set_classname = function(obj, classname, set)
+    {
+    var reg = new RegExp('\s*'+classname, 'i');
+    if (!set && obj.className.match(reg))
+      obj.className = obj.className.replace(reg, '');
+    else if (set && !obj.className.match(reg))
+      obj.className += ' '+classname;
+    };
+
+
+  // display a specific alttext
+  this.alttext = function(text)
+    {
+    
+    };
+
+
+  // display a system message
+  this.display_message = function(msg, type, hold)
+    {
+    this.set_busy(false);
+    if (!this.loaded)  // save message in order to display after page loaded
+      {
+      this.pending_message = new Array(msg, type);
+      return true;
+      }
+  
+    if (!this.gui_objects.message)
+      return false;
+
+    if (this.message_timer)
+      clearTimeout(this.message_timer);
+    
+    var cont = msg;
+    if (type)
+      cont = '<div class="'+type+'">'+cont+'</div>';
+
+    this.gui_objects.message._rcube = this;
+    this.gui_objects.message.innerHTML = cont;
+    this.gui_objects.message.style.display = 'block';
+ 
+    if (type!='loading')
+      this.gui_objects.message.onmousedown = function(){ this._rcube.hide_message(); return true; };
+    
+    if (!hold)
+      this.message_timer = setTimeout(this.ref+'.hide_message()', this.message_time);
+    };
+
+
+  // make a message row disapear
+  this.hide_message = function()
+    {
+    if (this.gui_objects.message)
+      {
+      this.gui_objects.message.style.display = 'none';
+      this.gui_objects.message.onmousedown = null;
+      }
+    };
+
+
+  // mark a mailbox as selected and set environment variable
+  this.select_mailbox = function(mbox)
+    {
+    if (this.gui_objects.mailboxlist )
+      {
+      var item, reg, text_obj;      
+      var current_li = this.get_mailbox_li();
+      var mbox_li = this.get_mailbox_li(mbox);
+      
+      if (current_li)
+        {
+        this.set_classname(current_li, 'selected', false);
+        this.set_classname(current_li, 'unfocused', false);
+        }
+
+      if (mbox_li || this.env.mailbox == mbox)
+        {
+        this.set_classname(mbox_li, 'unfocused', false);
+        this.set_classname(mbox_li, 'selected', true);
+        }
+      }
+      
+    // also update mailbox name in window title
+    if (document.title)
+      {
+      var doc_title = String(document.title);
+      var reg = new RegExp(this.env.mailbox.toLowerCase(), 'i');
+      if (this.env.mailbox && doc_title.match(reg))
+        document.title = doc_title.replace(reg, mbox).replace(/^\([0-9]+\)\s+/i, '');
+      }
+    
+    this.env.mailbox = mbox;
+    };
+
+
+  // for reordering column array, Konqueror workaround
+  this.set_message_coltypes = function(coltypes) 
+  { 
+    this.coltypes = coltypes;
+    
+    // set correct list titles
+    var cell, col;
+    var thead = this.gui_objects.messagelist ? this.gui_objects.messagelist.tHead : null;
+    for (var n=0; thead && n<this.coltypes.length; n++) 
+      {
+      col = this.coltypes[n];
+      if ((cell = thead.rows[0].cells[n+1]) && (col=='from' || col=='to'))
+        {
+        // if we have links for sorting, it's a bit more complicated...
+        if (cell.firstChild && cell.firstChild.tagName=='A')
+          {
+          cell.firstChild.innerHTML = this.get_label(this.coltypes[n]);
+          cell.firstChild.onclick = function(){ return rcmail.command('sort', this.__col, this); };
+          cell.firstChild.__col = col;
+          }
+        else
+          cell.innerHTML = this.get_label(this.coltypes[n]);
+
+        cell.id = 'rcmHead'+col;
+        }
+      }
+
+  };
+
+  // create a table row in the message list
+  this.add_message_row = function(uid, cols, flags, attachment, attop)
+    {
+    if (!this.gui_objects.messagelist || !this.gui_objects.messagelist.tBodies[0])
+      return false;
+    
+    var tbody = this.gui_objects.messagelist.tBodies[0];
+    var rowcount = tbody.rows.length;
+    var even = rowcount%2;
+    
+    this.env.messages[uid] = {deleted:flags.deleted?1:0,
+                              replied:flags.replied?1:0,
+                              unread:flags.unread?1:0};
+    
+    var row = document.createElement('TR');
+    row.id = 'rcmrow'+uid;
+    row.className = 'message '+(even ? 'even' : 'odd')+(flags.unread ? ' unread' : '')+(flags.deleted ? ' deleted' : '');
+    
+    if (this.in_selection(uid))
+      row.className += ' selected';
+
+    var icon = flags.deleted && this.env.deletedicon ? this.env.deletedicon:
+               (flags.unread && this.env.unreadicon ? this.env.unreadicon :
+               (flags.replied && this.env.repliedicon ? this.env.repliedicon : this.env.messageicon));
+
+    var col = document.createElement('TD');
+    col.className = 'icon';
+    col.innerHTML = icon ? '<img src="'+icon+'" alt="" border="0" />' : '';
+    row.appendChild(col);
+
+    // add each submitted col
+    for (var n = 0; n < this.coltypes.length; n++) 
+      { 
+      var c = this.coltypes[n];
+      col = document.createElement('TD');
+      col.className = String(c).toLowerCase();
+      col.innerHTML = cols[c];
+      row.appendChild(col);
+      }
+
+    col = document.createElement('TD');
+    col.className = 'icon';
+    col.innerHTML = attachment && this.env.attachmenticon ? '<img src="'+this.env.attachmenticon+'" alt="" border="0" />' : '';
+    row.appendChild(col);
+    
+    if (attop && tbody.rows.length)
+      tbody.insertBefore(row, tbody.firstChild);
+    else
+      tbody.appendChild(row);
+      
+    this.init_message_row(row);
+    };
+
+
+  // replace content of row count display
+  this.set_rowcount = function(text)
+    {
+    if (this.gui_objects.countdisplay)
+      this.gui_objects.countdisplay.innerHTML = text;
+
+    // update page navigation buttons
+    this.set_page_buttons();
+    };
+
+  // replace content of quota display
+   this.set_quota = function(text)
+     {
+     if (this.gui_objects.quotadisplay)
+       this.gui_objects.quotadisplay.innerHTML = text;
+     };
+			     
+
+  // update the mailboxlist
+  this.set_unread_count = function(mbox, count, set_title)
+    {
+    if (!this.gui_objects.mailboxlist)
+      return false;
+
+    if (mbox==this.env.mailbox)
+      set_title = true;
+
+    var reg, text_obj;
+    var item = this.get_mailbox_li(mbox);
+    mbox = String(mbox).toLowerCase().replace(this.mbox_expression, '');
+
+    if (item && item.className && item.className.indexOf('mailbox '+mbox)>=0)
+      {
+      // set new text
+      text_obj = item.firstChild;
+      reg = /\s+\([0-9]+\)$/i;
+
+      if (count && text_obj.innerHTML.match(reg))
+        text_obj.innerHTML = text_obj.innerHTML.replace(reg, ' ('+count+')');
+      else if (count)
+        text_obj.innerHTML += ' ('+count+')';
+      else
+        text_obj.innerHTML = text_obj.innerHTML.replace(reg, '');
+
+      // set the right classes
+      this.set_classname(item, 'unread', count>0 ? true : false);
+      }
+
+    // set unread count to window title
+    reg = /^\([0-9]+\)\s+/i;
+    if (set_title && document.title)
+      {
+      var doc_title = String(document.title);
+
+      if (count && doc_title.match(reg))
+        document.title = doc_title.replace(reg, '('+count+') ');
+      else if (count)
+        document.title = '('+count+') '+doc_title;
+      else
+        document.title = doc_title.replace(reg, '');
+      }
+    };
+
+
+  // add row to contacts list
+  this.add_contact_row = function(cid, cols)
+    {
+    if (!this.gui_objects.contactslist || !this.gui_objects.contactslist.tBodies[0])
+      return false;
+    
+    var tbody = this.gui_objects.contactslist.tBodies[0];
+    var rowcount = tbody.rows.length;
+    var even = rowcount%2;
+    
+    var row = document.createElement('TR');
+    row.id = 'rcmrow'+cid;
+    row.className = 'contact '+(even ? 'even' : 'odd');
+    
+    if (this.in_selection(cid))
+      row.className += ' selected';
+
+    // add each submitted col
+    for (var c in cols)
+      {
+      col = document.createElement('TD');
+      col.className = String(c).toLowerCase();
+      col.innerHTML = cols[c];
+      row.appendChild(col);
+      }
+    
+    tbody.appendChild(row);
+    this.init_table_row(row, 'contact_rows');
+    };
+
+
+
+  /********************************************************/
+  /*********          drag & drop methods         *********/
+  /********************************************************/
+
+
+  this.drag_mouse_move = function(e)
+    {
+    if (this.drag_start)
+      {
+      if (!this.draglayer)
+        this.draglayer = new rcube_layer('rcmdraglayer', {x:0, y:0, width:300, vis:0, zindex:2000});
+      
+      // get subjects of selectedd messages
+      var names = '';
+      var c, subject, obj;
+      for(var n=0; n<this.selection.length; n++)
+        {
+        if (n>12)  // only show 12 lines
+          {
+          names += '...';
+          break;
+          }
+
+        if (this.message_rows[this.selection[n]].obj)
+          {
+          obj = this.message_rows[this.selection[n]].obj;
+          subject = '';
+
+          for(c=0; c<obj.childNodes.length; c++)
+            if (!subject && obj.childNodes[c].nodeName=='TD' && obj.childNodes[c].firstChild && obj.childNodes[c].firstChild.nodeType==3)
+              {
+              subject = obj.childNodes[c].firstChild.data;
+              names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />';
+              }
+          }
+        }
+        
+      this.draglayer.write(names);
+      this.draglayer.show(1);
+      }
+
+    var pos = this.get_mouse_pos(e);
+    this.draglayer.move(pos.x+20, pos.y-5);
+    
+    this.drag_start = false;
+    this.drag_active = true;
+    
+    return false;
+    };
+
+
+  this.drag_mouse_up = function()
+    {
+    document.onmousemove = null;
+    
+    if (this.draglayer && this.draglayer.visible)
+      this.draglayer.show(0);
+      
+    this.drag_active = false;
+    
+    return false;
+    };
+
+
+
+  /********************************************************/
+  /*********        remote request methods        *********/
+  /********************************************************/
+
+
+  this.http_sockets = new Array();
+  
+  // find a non-busy socket or create a new one
+  this.get_request_obj = function()
+    {
+    for (var n=0; n<this.http_sockets.length; n++)
+      {
+      if (!this.http_sockets[n].busy)
+        return this.http_sockets[n];
+      }
+    
+    // create a new XMLHTTP object
+    var i = this.http_sockets.length;
+    this.http_sockets[i] = new rcube_http_request();
+
+    return this.http_sockets[i];
+    };
+  
+
+  // send a http request to the server
+  this.http_request = function(action, querystring, lock)
+    {
+    var request_obj = this.get_request_obj();
+    querystring += '&_remote=1';
+    
+    // add timestamp to request url to avoid cacheing problems in Safari
+    if (bw.safari)
+      querystring += '&_ts='+(new Date().getTime());
+
+    // send request
+    if (request_obj)
+      {
+      // prompt('request', this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
+      console('HTTP request: '+this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
+
+      if (lock)
+        this.set_busy(true);
+
+      request_obj.__lock = lock ? true : false;
+      request_obj.__action = action;
+      request_obj.onerror = function(o){ rcube_webmail_client.http_error(o); };
+      request_obj.oncomplete = function(o){ rcube_webmail_client.http_response(o); };
+      request_obj.GET(this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
+      }
+    };
+
+
+  // handle HTTP response
+  this.http_response = function(request_obj)
+    {
+    var ctype = request_obj.get_header('Content-Type');
+    if (ctype){
+      ctype = String(ctype).toLowerCase();
+      var ctype_array=ctype.split(";");
+      ctype = ctype_array[0];
+    }
+
+    this.set_busy(false);
+
+  console(request_obj.get_text());
+
+    // if we get javascript code from server -> execute it
+    if (request_obj.get_text() && (ctype=='text/javascript' || ctype=='application/x-javascript'))
+      eval(request_obj.get_text());
+
+    // process the response data according to the sent action
+    switch (request_obj.__action)
+      {
+      case 'delete':
+      case 'moveto':
+        if (this.env.action=='show')
+          this.command('list');
+        break;
+
+      case 'list':
+        if (this.env.messagecount)
+          this.enable_command('purge', (this.env.mailbox==this.env.trash_mailbox));
+
+      case 'expunge':
+        this.enable_command('select-all', 'select-none', 'expunge', this.env.messagecount ? true : false);
+        break;      
+      }
+
+    request_obj.reset();
+    };
+
+
+  // handle HTTP request errors
+  this.http_error = function(request_obj)
+    {
+    //alert('Error sending request: '+request_obj.url);
+
+    if (request_obj.__lock)
+      this.set_busy(false);
+
+    request_obj.reset();
+    request_obj.__lock = false;
+    };
+
+
+  // use an image to send a keep-alive siganl to the server
+  this.send_keep_alive = function()
+    {
+    var d = new Date();
+    this.http_request('keep-alive', '_t='+d.getTime());
+    };
+
+    
+  // send periodic request to check for recent messages
+  this.check_for_recent = function()
+    {
+    if (this.busy)
+      {
+      this.send_keep_alive();
+      return;
+      }
+
+    this.set_busy(true, 'checkingmail');
+    var d = new Date();
+    this.http_request('check-recent', '_t='+d.getTime());
+    };
+
+
+  /********************************************************/
+  /*********            helper methods            *********/
+  /********************************************************/
+  
+  // check if we're in show mode or if we have a unique selection
+  // and return the message uid
+  this.get_single_uid = function()
+    {
+    return this.env.uid ? this.env.uid : (this.selection.length==1 ? this.selection[0] : null);
+    };
+
+  // same as above but for contacts
+  this.get_single_cid = function()
+    {
+    return this.env.cid ? this.env.cid : (this.selection.length==1 ? this.selection[0] : null);
+    };
+
+
+/* deprecated methods
+
+  // check if Shift-key is pressed on event
+  this.check_shiftkey = function(e)
+    {
+    if(!e && window.event)
+      e = window.event;
+
+    if(bw.linux && bw.ns4 && e.modifiers)
+      return true;
+    else if((bw.ns4 && e.modifiers & Event.SHIFT_MASK) || (e && e.shiftKey))
+      return true;
+    else
+      return false;
+    }
+
+  // check if Shift-key is pressed on event
+  this.check_ctrlkey = function(e)
+    {
+    if(!e && window.event)
+      e = window.event;
+
+    if(bw.linux && bw.ns4 && e.modifiers)
+      return true;
+   else if (bw.mac)
+       return this.check_shiftkey(e);
+    else if((bw.ns4 && e.modifiers & Event.CTRL_MASK) || (e && e.ctrlKey))
+      return true;
+    else
+      return false;
+    }
+*/
+
+  // returns modifier key (constants defined at top of file)
+  this.get_modifier = function(e)
+    {
+    var opcode = 0;
+    e = e || window.event;
+
+    if (bw.mac && e)
+      {
+      opcode += (e.metaKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
+      return opcode;    
+      }
+    if (e)
+      {
+      opcode += (e.ctrlKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
+      return opcode;
+      }
+    if (e.cancelBubble)
+      {
+      e.cancelBubble = true;
+      e.returnValue = false;
+      }
+    else if (e.preventDefault)
+      e.preventDefault();
+  }
+
+
+  this.get_mouse_pos = function(e)
+    {
+    if(!e) e = window.event;
+    var mX = (e.pageX) ? e.pageX : e.clientX;
+    var mY = (e.pageY) ? e.pageY : e.clientY;
+
+    if(document.body && document.all)
+      {
+      mX += document.body.scrollLeft;
+      mY += document.body.scrollTop;
+      }
+
+    return { x:mX, y:mY };
+    };
+    
+  
+  this.get_caret_pos = function(obj)
+    {
+    if (typeof(obj.selectionEnd)!='undefined')
+      return obj.selectionEnd;
+
+    else if (document.selection && document.selection.createRange)
+      {
+      var range = document.selection.createRange();
+      if (range.parentElement()!=obj)
+        return 0;
+
+      var gm = range.duplicate();
+      if (obj.tagName=='TEXTAREA')
+        gm.moveToElementText(obj);
+      else
+        gm.expand('textedit');
+      
+      gm.setEndPoint('EndToStart', range);
+      var p = gm.text.length;
+
+      return p<=obj.value.length ? p : -1;
+      }
+
+    else
+      return obj.value.length;
+    };
+
+
+  this.set_caret2start = function(obj)
+    {
+    if (obj.createTextRange)
+      {
+      var range = obj.createTextRange();
+      range.collapse(true);
+      range.select();
+      }
+    else if (obj.setSelectionRange)
+      obj.setSelectionRange(0,0);
+
+    obj.focus();
+    };
+
+
+  // set all fields of a form disabled
+  this.lock_form = function(form, lock)
+    {
+    if (!form || !form.elements)
+      return;
+    
+    var type;
+    for (var n=0; n<form.elements.length; n++)
+      {
+      type = form.elements[n];
+      if (type=='hidden')
+        continue;
+        
+      form.elements[n].disabled = lock;
+      }
+    };
+    
+  }  // end object rcube_webmail
+
+
+
+// class for HTTP requests
+function rcube_http_request()
+  {
+  this.url = '';
+  this.busy = false;
+  this.xmlhttp = null;
+
+
+  // reset object properties
+  this.reset = function()
+    {
+    // set unassigned event handlers
+    this.onloading = function(){ };
+    this.onloaded = function(){ };
+    this.oninteractive = function(){ };
+    this.oncomplete = function(){ };
+    this.onabort = function(){ };
+    this.onerror = function(){ };
+    
+    this.url = '';
+    this.busy = false;
+    this.xmlhttp = null;
+    }
+
+
+  // create HTMLHTTP object
+  this.build = function()
+    {
+    if (window.XMLHttpRequest)
+      this.xmlhttp = new XMLHttpRequest();
+    else if (window.ActiveXObject)
+      this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
+    else
+      {
+      
+      }
+    }
+
+  // sedn GET request
+  this.GET = function(url)
+    {
+    this.build();
+
+    if (!this.xmlhttp)
+      {
+      this.onerror(this);
+      return false;
+      }
+
+    var ref = this;
+    this.url = url;
+    this.busy = true;
+
+    this.xmlhttp.onreadystatechange = function(){ ref.xmlhttp_onreadystatechange(); };
+    this.xmlhttp.open('GET', url);
+    this.xmlhttp.send(null);
+    };
+
+
+  this.POST = function(url, a_param)
+    {
+    // not implemented yet
+    };
+
+
+  // handle onreadystatechange event
+  this.xmlhttp_onreadystatechange = function()
+    {
+    if(this.xmlhttp.readyState == 1)
+      this.onloading(this);
+
+    else if(this.xmlhttp.readyState == 2)
+      this.onloaded(this);
+
+    else if(this.xmlhttp.readyState == 3)
+      this.oninteractive(this);
+
+    else if(this.xmlhttp.readyState == 4)
+      {
+      try {
+        if (this.xmlhttp.status == 0)
+          this.onabort(this);
+        else if(this.xmlhttp.status == 200)
+          this.oncomplete(this);
+        else
+          this.onerror(this);
+
+        this.busy = false;
+        }
+      catch(err)
+        {
+        this.onerror(this);
+        this.busy = false;
+        }
+      }
+    }
+
+  // getter method for HTTP headers
+  this.get_header = function(name)
+    {
+    return this.xmlhttp.getResponseHeader(name);
+    };
+
+  this.get_text = function()
+    {
+    return this.xmlhttp.responseText;
+    };
+
+  this.get_xml = function()
+    {
+    return this.xmlhttp.responseXML;
+    };
+
+  this.reset();
+  
+  }  // end class rcube_http_request
+
+
+
+function console(str)
+  {
+  if (document.debugform && document.debugform.console)
+    document.debugform.console.value += str+'\n--------------------------------------\n';
+  }
+
+
+// set onload handler
+window.onload = function(e)
+  {
+  if (window.rcube_webmail_client)
+    rcube_webmail_client.init();
+  };