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<html>
<head><title>Hello World</title>
<style>
.style1{
width:60px;margin-left:570px;position:fixed;left:50%;bottom:134px;_position:absolute;_top:expression(documentElement.scrollTop+documentElement.clientHeight - this.clientHeight - 134+‘px‘);display:block;
}
.style1 a{
background:url(./img/aa.png) no-repeat;
display:block;
width:60px;height:50px;
text-decoration:none;font:16px/50px "Microsoft YaHei";text-align:center;
color:white;
}
.style1 a span{
text-align:center;
display:none;
}
.style1 a:hover span{
background-color:#39F ;
display:block;width:59px;
}
.style1 .gouwu{
background-position:-85px -185px;
}
.style1 .liren{
background-position:-85px -236px;
}
.style1 .xiuxian{
background-position:-144px -236px;
}
.style1 .huidingbu{
background-position:-144px -185px;
}
</style>
</head>
<body>
<div><span>Hello World</span></div>
<div class="style1">
<a href="javascript:window.scrollTo(0,638)" class="gouwu"><span>购物</span></a>
<a href="javascript:window.scrollTo(0,1600)" class="liren"><span>丽人</span></a>
<a href="javascript:window.scrollTo(0,2080)" class="xiuxian"><span>休闲</span></a>
<a href="javascript:window.scrollTo(0,0)" class="huidingbu"><span>回顶部</span></a>
</div>
</body>
</html>
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原文地址：http://www.cnblogs.com/little-aladdin/p/5004582.html
