function atarget(vars, img)
    {
      if (vars != "")
      {
          var url = "core/go_atarget.php?"+vars;
          
          if(window.XMLHttpRequest)req=new XMLHttpRequest();
          else if(window.ActiveXObject)req=new ActiveXObject("Microsoft.XMLHTTP");
        
          if(req)
          {
            req.onreadystatechange = function()
            {
              
              if(req.readyState==4) // complete
              {
                if(req.status==200) // OK
                {
                    xmldoc=req.responseText;
                    document.getElementById(xmldoc).src = "core/module/filemanager/"+img+".gif";
                    
                    //alert("core/module/filemanager/"+img+".jpg");
                }
                else alert(req.status);
              }
              
            };
            
            req.open("GET",url,true);
            req.send(null);
          }
      }
    }