jQuery实现五星评分交互效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="jquery-1.6.2.min.js" type="text/javascript"></script>
<script>
$(function(){ 
$(".star li").mouseenter(function(){
 $(".star li").css("background","#f60");
 $(this).css("background","#f60");
 $(this).nextAll().css("background","#ccc");
 })
});
</script>
<style type="text/css">
* {<br />
 padding:0;margin:0;
 list-style:none; float:left;
 }
.star li {
 float: left;
 height: 20px;
 width: 20px;
 background-color: #CCC;
 margin-right: 4px;
}
</style>
</head>
<body>
<div>选几星：</div>
<ul class="star">
 <li></li>
 <li></li>
 <li></li>
 <li></li>
 <li></li>
</ul>
</body>
</html>