function star (type, id, value){
	var xhr_object = null;
	var op_value;
	
	if (value == 1){
		op_value = 0;
	}else{
		op_value = 1;
	}

	// Firefox
	if (window.XMLHttpRequest){
		xhr_object = new XMLHttpRequest(); 
	} else 
	// Explorer
	if (window.ActiveXObject){
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	// XMLHttpRequest non supporté
	else {
		alert("Votre navigateur ne supporte pas cette fonction !");
	} 

	xhr_object.open("POST", "inc/tools/star.php", true); 

	xhr_object.onreadystatechange = function () {
		if (xhr_object.readyState == 1){
			document.getElementById("star").className = "wait";
			document.getElementById("star").innerHTML = "";
		}else
		if (xhr_object.readyState == 4){alert (xhr_object.responseText);
			document.getElementById('star').title = xhr_object.responseText;
			
			if (value == 1){
				document.getElementById('star').className = "stared";
			}else{
				document.getElementById('star').className = "grey";
			}
			
			
			document.getElementById('star').href = ("javascript:star('"+type+"' , "+id+", "+op_value+");");
		}
	}

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	var data = "id="+id+"&type="+type+"&value="+value; 
	xhr_object.send (data);
	
	document.getElementById('add').href = ("javascript:add('" + id + "', '" + val + "')");
}