<!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 type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<style type="text/css">
*{padding:0;margin:0}
body{font-size:12px; padding:100px;}
ul{list-style-type:none}
.box ul{height:25px; line-height:25px;}
/*position:relative;用于IE7上面*/
.box ul li{float:left; border:1px solid #9CF; margin-right:5px;padding:0 10px; border-bottom:none; position:relative; cursor:pointer; background: #E4F1FC}
.content{width:320px; border:1px solid #9CF; padding:10px; height:100px;}
* html .content{margin-top:-1px;}/*用于IE6上面*/
.box ul li.one{background:#FFF;}
</style>
<script type="text/javascript">
$(document).ready(function(){
$('.ct:gt(0)').hide()
$('.box ul li').click(function(){
$(this).addClass("one")
.siblings().removeClass();
//获取当前标签的索引值
var content_idnex = $('.box ul li').index(this);
$('.ct').eq(content_idnex).show()
.siblings().hide();
});
});
</script>
</head>
<body>
<div class="box">
<ul>
<li class="one">菜单一</li>
<li>菜单二</li>
<li>菜单三</li>
</ul>
<div class="content">
<div class="ct">菜单一的内容</div>
<div class="ct">菜单二的内容</div>
<div class="ct">菜单三的内容</div>
</div>
</div>
</body>
</html>
