function getXHR() {
	var xmlhttp=null;
	if (window.XMLHttpRequest) {
  		xmlhttp=new XMLHttpRequest();
  	}
	else if (window.ActiveXObject) {
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
	if (xmlhttp!=null)
  		return xmlhttp;
	else alert("Browserul dumnevoastra nu suporta tehnologia AJAX necesara rularii aplicatiei.");
}
//-------------------------------------------------------------
function rate(value, val2) {
	var req = getXHR();
	var url = "rate.php?r="+value+"&id_prod="+val2;
	
	req.open("GET", url);
	req.onreadystatechange = function () {
		if (req.readyState==4 && req.status==200) {
			document.getElementById("rate_content").innerHTML = req.responseText;
		}
	}
	req.send(null);
}

function change(v) {
	var i;
	
	for(i=1; i<=v; i++)
		document.getElementById("star"+i).src="images/star_on.jpg";
}

function clearx() {
	var i;
	for(i=1; i<=5; i++)
		document.getElementById("star"+i).src="images/star_off.jpg";	
}