<!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>
<title>通用的二级菜单</title>
<style type="text/css">
#menu
{
width:300px;
margin:auto;
}
#div1
{
display:none;
font-size:12px;
position:relative;
left:0px;
top:0px;
background-color:White;
padding:5px 10px 0px 10px;
width:320px;
}
#div2
{
display:none;
font-size:12px;
position:relative;
left:50px;
top:0px;
background-color:White;
padding:5px 10px 0px 10px;
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