function changerate(prefix, rating)
{
	if(rating != -1)
	{
		while(rating > 0)
		{
			document.getElementById(prefix + rating).src = 'images/starfull.gif';
			rating -= 1;
		}
	}
	else
	{
		document.getElementById(prefix + '1').src = 'images/starempty.gif';
		document.getElementById(prefix + '2').src = 'images/starempty.gif';
		document.getElementById(prefix + '3').src = 'images/starempty.gif';
		document.getElementById(prefix + '4').src = 'images/starempty.gif';
		document.getElementById(prefix + '5').src = 'images/starempty.gif';
	}
}

function rate(id, rating, divid)
{
	$.ajax({
		beforeSend: function(){
			document.getElementById(divid).innerHTML = '<img src="images/ajax-loader.gif" alt="Rating..." width="16" height="11" border="0">';	
		},
		type: "GET",
		url: "rate.php",
		data: "id=" + id + "&rating=" + rating,
		success: function(msg){
			document.getElementById(divid).innerHTML = msg;	
		}
	});
}