function getObject()
{
   var xmlHttp; 
   if(window.ActiveXObject) 
      { 
      try 
         { 
         xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
         } 
      catch (e) 
         { 
         xmlHttp = false; 
         } 
      } 
   else 
      { 
      try 
         { 
         xmlHttp = new XMLHttpRequest(); 
         } 
      catch (e) 
         { 
         xmlHttp = false; 
         } 
      }

   if (!xmlHttp)
      alert("Nu s a putut crea obiectul XMLHttpRequest ."); 
   else 
      return xmlHttp; 
   }