function recordElement(idVid, idUser)
{
	if(idUser=="") idUser = 0;
	var url = "http://www.kuota.it/recordVideoClick.php?video=" + idVid + "&user=" + idUser;
	var req = new XMLHttpRequest();  
	req.open("GET", url += (url.match(/\?/) == null ? "?" : "&") + (new Date()).getTime(), true);  
	req.send(null);
}