Re-design of caching (new database table added\!); some bugfixes; Postgres ...

thomascube

2005-12-03 1cded85790206afe084e1baff371c543711b2b18

 program/js/app.js

@@ -6,7 +6,7 @@
 | Copyright (C) 2005, RoundCube Dev, - Switzerland                      |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | Modified: 2005/08/19 (tbr)                                            |
 | Modified: 2005/11/13 (roundcube)                                      |
 |                                                                       |
 +-----------------------------------------------------------------------+
 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
@@ -19,6 +19,7 @@
function rcube_webmail()
  {
  this.env = new Object();
  this.labels = new Object();
  this.buttons = new Object();
  this.gui_objects = new Object();
  this.commands = new Object();
@@ -31,6 +32,8 @@
  // webmail client settings
  this.dblclick_time = 600;
  this.message_time = 5000;
  this.request_timeout = 180000;
  this.kepp_alive_interval = 60000;
  this.mbox_expression = new RegExp('[^0-9a-z\-_]', 'gi');
  this.env.blank_img = 'skins/default/images/blank.gif';
  
@@ -47,6 +50,14 @@
    //if (!this.busy)
      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)
@@ -76,7 +87,7 @@
    this.task = this.env.task;
    
    // check browser
    if (!(bw.dom && ((bw.ie && bw.vendver>=5.5 && !bw.opera) || (bw.mz && bw.vendver>=1) || (bw.safari && bw.vendver>=125) || (bw.opera && bw.vendver>=8))))
    if (!bw.dom || !bw.xmlhttp_test())
      {
      location.href = this.env.comm_path+'&_action=error&_code=0x199';
      return;
@@ -108,7 +119,7 @@
        
        if (this.env.action=='show')
          {
          this.enable_command('show', 'reply', 'forward', 'moveto', 'delete', 'viewsource', 'print', 'load-attachment', true);
          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)
@@ -126,7 +137,7 @@
          this.enable_command('add-attachment', 'send-attachment', 'send', true);
          
        if (this.env.messagecount)
          this.enable_command('select-all', 'select-none', true);
          this.enable_command('select-all', 'select-none', 'sort', true);

        this.set_page_buttons();

@@ -199,14 +210,18 @@
    this.enable_command('logout', true);

    // disable browser's contextmenus
    //document.oncontextmenu = function(){ return false; }
    // document.oncontextmenu = function(){ return false; }

    // 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 interval for keep-alive siganl
    if (this.kepp_alive_interval)
      this.kepp_alive_int = setInterval(this.ref+'.send_keep_alive()', this.kepp_alive_interval);
    };


@@ -271,6 +286,7 @@
      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');
@@ -285,6 +301,10 @@
      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();
@@ -442,6 +462,39 @@
          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;
@@ -488,7 +541,37 @@
      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':
@@ -564,12 +647,14 @@

      case 'nextmessage':
        if (this.env.next_uid)
          location.href = this.env.comm_path+'&_action=show&_uid='+this.env.next_uid+'&_mbox='+this.env.mailbox;
          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)
          location.href = this.env.comm_path+'&_action=show&_uid='+this.env.prev_uid+'&_mbox='+this.env.mailbox;
          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 'compose':
@@ -612,14 +697,46 @@
        var input_to = rcube_find_object('_to');
        var input_subject = rcube_find_object('_subject');
        var input_message = rcube_find_object('_message');
        
        if (input_to.value!='' && input_message.value!='')

        // check for empty recipient
        if (input_to && !rcube_check_email(input_to.value, true))
          {
          this.set_busy(true, 'sendingmessage');
          var form = this.gui_objects.messageform;
          form.submit();
          alert(this.get_label('norecipientwarning'));
          input_to.focus();
          break;
          }
          

        // 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();
            break;
            }
          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();
            break;
            }
          }

        // all checks passed, send message
        this.set_busy(true, 'sendingmessage');
        var form = this.gui_objects.messageform;
        form.submit();
        break;

      case 'add-attachment':
@@ -629,12 +746,13 @@
        this.upload_file(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);
          location.href = this.env.comm_path+'&_action=compose&_reply_uid='+uid+'&_mbox='+escape(this.env.mailbox)+(command=='reply-all' ? '&_all=1' : '');
          }
        break;      

@@ -701,7 +819,7 @@
        break;

      case 'delete-folder':
        if (confirm('Do you really want to delete this folder?'))
        if (confirm(this.get_label('deletefolderconfirm')))
          this.delete_folder(props);
        break;

@@ -729,10 +847,17 @@
    };


  // lock/unlock interface
  this.set_busy = function(a, message)
    {
    if (a && message)
      this.display_message('Loading...', 'loading', true);
      {
      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();

@@ -741,16 +866,39 @@
    
    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.request_timeout)
      this.request_timer = setTimeout(this.ref+'.request_timed_out()', this.request_timeout);
    };


  // 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)
    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 = this.get_task_url(task);      
    location.href = url;
    };


@@ -760,6 +908,14 @@
      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');
    };


@@ -791,8 +947,8 @@

    if (!this.in_selection_before)
      {
      var shift = this.check_shiftkey(e);
      this.select(id, shift);
      var ctrl = this.check_ctrlkey(e);
      this.select(id, ctrl);
      }
    
    if (this.selection.length)
@@ -809,7 +965,7 @@
  // onmouseup-handler of message list row
  this.click_row = function(e, id)
    {
    var shift = this.check_shiftkey(e);
    var ctrl = this.check_ctrlkey(e);
    
    // don't do anything (another action processed before)
    if (this.dont_select)
@@ -819,13 +975,13 @@
      }
    
    if (!this.drag_active && this.in_selection_before==id)
      this.select(id, (shift && this.task!='settings'));
      this.select(id, (ctrl && this.task!='settings'));
    
    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 && !shift)
    if (this.task=='mail' && this.list_rows && this.list_rows[id].clicked && !ctrl)
      {
      this.show_message(id);
      return false;
@@ -900,7 +1056,7 @@
    // enable/disable commands for message
    if (this.task=='mail')
      {
      this.enable_command('show', 'reply', 'forward', 'print', selected);
      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')
@@ -963,7 +1119,7 @@

    if (id)
      {
      this.set_busy(true);   
      this.set_busy(true, 'loading');
      target.location.href = this.env.comm_path+'&_action=show&_uid='+id+'&_mbox='+escape(this.env.mailbox)+add_url;
      }
    };
@@ -991,7 +1147,7 @@


  // list messages of a specific mailbox
  this.list_mailbox = function(mbox, page)
  this.list_mailbox = function(mbox, page, sort)
    {
    var add_url = '';
    var target = window;
@@ -999,10 +1155,15 @@
    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();
      }
@@ -1013,14 +1174,14 @@
    // load message list remotely
    if (this.gui_objects.messagelist)
      {
      this.list_mailbox_remote(mbox, page);
      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';
      add_url += '&_framed=1';
      }

    // load message list to target frame/window
@@ -1033,7 +1194,7 @@


  // send remote request to load message list
  this.list_mailbox_remote = function(mbox, page)
  this.list_mailbox_remote = function(mbox, page, add_url)
    {
    // clear message list
    var table = this.gui_objects.messagelist;
@@ -1047,7 +1208,7 @@
    // send request to server
    var url = '_mbox='+escape(mbox)+(page ? '&_page='+page : '');
    this.set_busy(true, 'loading');
    this.http_request('list', url);
    this.http_request('list', url+add_url, true);
    };


@@ -1075,13 +1236,18 @@
          this.message_rows[id].obj.style.display = 'none';
        }
      }
      
    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 : ''));
    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);
    };


@@ -1150,16 +1316,15 @@
        if (this.message_rows[uid].classname.indexOf('unread')<0 && this.message_rows[uid].unread)
          {
          this.message_rows[uid].classname += ' unread';
          if (!this.in_selection(uid))
            this.message_rows[uid].obj.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/, '');
          if (!this.in_selection(uid))
            this.message_rows[uid].obj.className = this.message_rows[uid].obj.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;
@@ -1181,6 +1346,38 @@
  /*********************************************************/
  /*********        message compose methods        *********/
  /*********************************************************/
  
  
  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 : '';

    // remove the 'old' signature
    if (this.env.identity && this.env.signatures && this.env.signatures[this.env.identity])
      {
      var sig = this.env.signatures[this.env.identity];
      
      if (p = message.lastIndexOf(sig))
        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])
      {
      var sig = this.env.signatures[id];
      message += '\n'+sig;
      }

    if (input_message && message)
      input_message.value = message;
      
    this.env.identity = id;
    };


  this.show_attachment_form = function(a)
@@ -1551,7 +1748,7 @@
    // send request to server
    var url = page ? '&_page='+page : '';
    this.set_busy(true, 'loading');
    this.http_request('list', url);
    this.http_request('list', url, true);
    };


@@ -1693,7 +1890,7 @@
      name = form.elements['_folder_name'].value;

    if (name)
      this.http_request('create-folder', '_name='+escape(name));
      this.http_request('create-folder', '_name='+escape(name), true);
    else if (form.elements['_folder_name'])
      form.elements['_folder_name'].focus();
    };
@@ -1703,16 +1900,20 @@
    {
    if (folder)
      {
      for (var id in this.env.subscriptionrows)
        if (this.env.subscriptionrows[id]==folder)
          break;
          
      var row;
      if (id && (row = document.getElementById(id)))
        row.style.display = 'none';

      this.http_request('delete-folder', '_mboxes='+escape(folder));
      }
    };


  this.remove_folder_row = function(folder)
    {
    for (var id in this.env.subscriptionrows)
      if (this.env.subscriptionrows[id]==folder)
        break;

    var row;
    if (id && (row = document.getElementById(id)))
      row.style.display = 'none';    
    };


@@ -1799,6 +2000,10 @@
       }
     if (row.cells[2].firstChild.tagName=='A')
       row.cells[2].firstChild.onclick = new Function(this.ref+".command('delete-folder','"+name+"')");

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


@@ -1960,9 +2165,13 @@
    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);
@@ -1973,7 +2182,10 @@
  this.hide_message = function()
    {
    if (this.gui_objects.message)
      {
      this.gui_objects.message.style.display = 'none';
      this.gui_objects.message.onmousedown = null;
      }
    };


@@ -1983,16 +2195,17 @@
    if (this.gui_objects.mailboxlist)
      {
      var item, reg, text_obj;
      var s_current = this.env.mailbox.toLowerCase().replace(this.mbox_expression, '');
      var s_mbox = String(mbox).toLowerCase().replace(this.mbox_expression, '');
      var s_current = this.env.mailbox.toLowerCase().replace(this.mbox_expression, '');
      for (var n=0; n<this.gui_objects.mailboxlist.childNodes.length; n++)
        {
        item = this.gui_objects.mailboxlist.childNodes[n];
        if (item.className && item.className.indexOf('mailbox '+s_mbox+' ')>=0)
          this.set_classname(item, 'selected', true);
        else if (item.className && item.className.indexOf('mailbox '+s_current)>=0)
          this.set_classname(item, 'selected', false);          
        }
      
      var current_li = document.getElementById('rcmbx'+s_current);
      var mbox_li = document.getElementById('rcmbx'+s_mbox);
      
      if (current_li)
        this.set_classname(current_li, 'selected', false);
      if (mbox_li)
        this.set_classname(mbox_li, 'selected', true);
      }
    
    this.env.mailbox = mbox;
@@ -2193,18 +2406,29 @@
  /********************************************************/


  // send a http request to the server
  this.http_request = function(action, querystring)
  this.http_sockets = new Array();
  
  // find a non-busy socket or create a new one
  this.get_request_obj = function()
    {
    if (window.XMLHttpRequest)
      this.request_obj = new XMLHttpRequest();
    else if (window.ActiveXObject)
      this.request_obj = new ActiveXObject("Microsoft.XMLHTTP");
    else
    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
@@ -2212,51 +2436,77 @@
      querystring += '&_ts='+(new Date().getTime());

    // send request
    if (this.request_obj)
    if (request_obj)
      {
      // prompt('request', this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
      console('HTTP request: '+this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
      this.set_busy(true);
      this.request_action = action;
      this.request_obj.onreadystatechange = function(){ rcube_webmail_client.http_response(); };
      this.request_obj.open('GET', this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
      this.request_obj.send(null);

      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()
  // handle HTTP response
  this.http_response = function(request_obj)
    {
    if (this.request_obj.readyState == 4) // || this.request_obj.readyState == 2)
      {
      var ctype = this.request_obj.getResponseHeader('Content-Type');
      if (ctype)
        ctype = String(ctype).toLowerCase();
    var ctype = request_obj.get_header('Content-Type');
    if (ctype)
      ctype = String(ctype).toLowerCase();

    if (request_obj.__lock)
      this.set_busy(false);

  console(this.request_obj.responseText);
  console(request_obj.responseText);

      // if we get javascript code from server -> execute it
      if (this.request_obj.responseText && (ctype=='text/javascript' || ctype=='application/x-javascript'))
        eval(this.request_obj.responseText);
    // if we get javascript code from server -> execute it
    if (request_obj.responseText && (ctype=='text/javascript' || ctype=='application/x-javascript'))
      eval(request_obj.responseText);

      // process the response data according to the sent action
      switch (this.request_action)
        {
        case 'delete':
        case 'moveto':
          if (this.env.action=='show')
            this.command('list');
          break;
    // 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':
          this.enable_command('select-all', 'select-none', this.env.messagecount ? true : false);
          break;
        }
      case 'list':
        this.enable_command('select-all', 'select-none', 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());
    };
    


  /********************************************************/
@@ -2291,6 +2541,21 @@
      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;
    }

  this.get_mouse_pos = function(e)
    {
@@ -2372,6 +2637,111 @@



// 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)
      {
      this.responseText = this.xmlhttp.responseText;
      this.responseXML = this.xmlhttp.responseXML;
      
      if(this.xmlhttp.status == 0)
        this.onabort(this);
      else if(this.xmlhttp.status == 200)
        this.oncomplete(this);
      else
        this.onerror(this);
        
      this.busy = false;
      }
    }

  // getter method for HTTP headers
  this.get_header = function(name)
    {
    return this.xmlhttp.getResponseHeader(name);
    };


  this.reset();
  
  }  // end class rcube_http_request



function console(str)
  {