/**
 * 用户给某个产品评分
 */
function doRating(obj)
{
	var num = obj.id.substring(6,7);
	var i = 1;
	for (; i<=num; i++)	document.getElementById('stars-'+i).className = "stars-on";
	var j = Number(num) + 1;
	for (; j<=5; j++) document.getElementById('stars-'+j).className = "stars-off";
}

function doRatings(obj)
{
	var num = obj.id.substring(8,9);
	var i = 1;
	for (; i<=num; i++)	document.getElementById('starses-'+i).className = "stars-on";
	var j = Number(num) + 1;
	for (; j<=5; j++) document.getElementById('starses-'+j).className = "stars-off";
}