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<!DOCTYPE HTML>
<html>
<head>
<title>jQuery</title>
<style type="text/css">
*{
margin:0 auto;
padding:0;
list-style-type:none;}
#tab{
width:800px;
position:relative;
margin:40px auto;}
#tab .tab_menu{
width:100%;
float:left;
position:absolute;
z-index:1;
}
#tab .tab_menu li{
float:left;
width:262px;
height:30px;
line-height:30px;
border:1px solid #ccc;
bottom:0px;
cursor:pointer;
text-align:center;
margin:0 2px 0 0;
}
#tab .tab_box{
width:794px;
height:600px;
clear:both;
top:30px;
position:relative;
border:1px solid #CCC;
background:green;
}
#tab .tab_menu .selected{
background-color:#DDDDFF;
cursor:pointer;
}
.hide{
display:none;
}
.tab_box div{
padding:10px;
}
#tab_menu li a{
text-style:none;
}
</style>
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var $tab_li = $('#tab ul li');
$tab_li.hover(function(){
$(this).addClass('selected').siblings().removeClass('selected');
var index = $tab_li.index(this);
$('div.tab_box > div').eq(index).show().siblings().hide();
});
});
</script>
</head>
<body>
<div id="tab">
<ul class="tab_menu">
<li class="selected">w3school</li>
<li>w3cschool</li>
<li>jquety mobile</li>
</ul>
<div class="tab_box">
<div><iframe src="http://www.w3school.com.cn" width="770px" height="580px" scrolling="yes" ></iframe></div>
<div class="hide"><iframe src="http://www.w3cschool.cc" width="770px" height="580px"></iframe></div>
<div class="hide"><iframe src="http://www.lampweb.org/jquerymobile" width="770px" height="580px"></iframe></div>
</div>
</div>
<div id="description">
</div>
</body>
</html>