function  source()
{

  var data = "action=anonyme";
  var filename="source.php5";
  var req = null;
  req=get_req();
  req.onreadystatechange = function(){
  	 if(req.readyState == 4){
			location.href="tel_source.php5"
      }
    }
   req.open('POST', filename, true);
   req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   req.send(data);
 
}