<!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>
<head>
<style>
* {list-style-type:none; font-size:12px; text-decoration:none; margin:0; padding:0;}
.tab{ margin:20px; width:244px; height:200px; overflow:hidden; border:1px #AACCEE solid;}
.tab_b{ overflow:hidden; margin:5px; }
.menu {overflow:hidden; }
.menu li{ display:block; float:left; display: list-item; text-align:center; width:60px; background-color:#EDF4FC;line-height:20px; border-bottom:1px #AACCEE solid;border-right:1px #AACCEE solid; }
.menu li a{ display:block;}
.menu_d{border-bottom:1px #FFFFFF solid;background-color:#FFFFFF; }
.tab ul li.aaa
{
background: #FFFFFF;
border-bottom:0px #FFFFFF solid;
}
</style>
</head>
<body>
<script language="javascript">
function tabs(n)
{
var len = 4;
for (var i = 1; i <= len; i++)
{
document.getElementById('tab_a' + i).style.display = (i == n) ? 'block' : 'none';
document.getElementById('tab_' + i).className = (i == n) ? 'aaa' : 'none';
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