function goto_pub(id_banier){
  $.post("redirect_pub.php",{id:id_banier},
     function(data){
		if(data.indexOf('NOURL')>=0){}
		else{
		  url = "http://"+data;
		  window.open(url);
		  //document.window.open(url,'_blank');
		}
	 }
  );
}