var AJAXURL  = function () 
{
 this.getAJAXURL = function (url, post_data, callback_func, lang)
 {
    if (!post_data) post_data = new Array();
        post_data['_form_page'] = url;
        var req = new XML_JSHttpRequest();
        req.onreadystatechange=function() 
        {            
          response = false;                    
          if(req.readyState==4 && req.status==200)
          {
             response=parse_data(req);
             if (callback_func) eval(callback_func);
          }
          return false;
        }
        // ------------------------        
        // 5. send data
        send_data(req, '/'+lang+'/ajax-dispatcher', post_data);
        return false; 
 }
 
}

var AJAXURL = new AJAXURL();