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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
.c_div{ position:absolute; top:20px; left:3px; width:200px; height:50px; background-color:#CCC; z-index:99;}
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$(function(){
$("#ww tr td a").click(function (){
$(this).append("<div class='c_div'><table width=100% border=1 ><tr><td> </td><td> </td><td> </td></tr> <tr> <td> </td><td> </td><td> </td> </tr></table></div>");
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$(".c_div").hide();
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<body>
<table width="500" border="1" cellpadding="3" id="ww">
<tr>
<td> </td>
<td> </td>
<td ><a href="#" >弹出层</a></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td ><a href="#" >弹出层</a></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td ><a href="#" >弹出层</a></td>
</tr>
</table>
<div>wwwwwwwwwwwwwww</div>
</body>
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