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<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>鼠标移上去显示大图</title>
<style type="text/css"> .pr { position:relative; } .pr a { 181px; height:135px; font-size:12px; text-decoration:none; background:url("no.gif"); position:absolute; left:0; top:0; z-index:2; text-indent:-9999px; } .pr img {181px; position:relative; z-index:1;}</style>
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<body>
<div class="pr">
<img src="P7270279.JPG" alt="big" />
<a href="#">效果一</a>
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