1<link href="css/header.css" rel="Stylesheet" type="text/css" />
 2<link href="css/body.css" rel="Stylesheet" type="text/css" />
 3<div id="header">
 4    <div id="logo">logo</div>
 5    <div id="top_ad">top AD</div>
 6</div>
 7<div id="nav_wrap">
 8    <div id="nav_menu"><a href="AddEdition.aspx">申请版块</a></div>
 9    <div id="nav_menu"><a href="WriteArticle.aspx">发表文章</a></div>
10    <div id="nav_menu"><a href="UserLogin.aspx">用户登陆</a></div>
11    <div id="nav_menu"><a href="UserRegister.aspx">用户注册</a></div>
12    <div id="nav_menu"><a href="SysConfigure.aspx">网站管理</a></div>
13</div>