function vote(id,who,vote)
{
	var http = new XMLHttpRequest();
	var url = "http://kseftila.gr/addkseftila.php";
	var params = "id="+id+"&vote="+vote+"&username="+who;
	http.open("GET", url+"?"+params, true);
	http.onreadystatechange = function() {
		//if(http.readyState == 4 && http.status == 200) {
	if (http.readyState == 4) {
			alert(http.responseText);}}
	http.send(null);
}