- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title>test</title>
- <meta http-equvie="content-type" content="text/html"; charset="utf-8" />
- <style type="text/css">
- body,html{padding:0;margin:0;text-align:center;font:normal 14px 'arial'}
- #mainNavBar{
- width:100%;
- background:#999;
- padding:10px 0;
- }
- #nav{
- width:760px;
- height:30px;
- margin:0 auto;
- }
- #nav ul{
- padding:0;
- margin:0;
- }
- #nav ul li{
- position:relative;
- float:left;
- width:60px;
- height:30px;
- line-height:30px;
- overflow:hidden;
- list-style-type:none;
- }
- #nav ul li a{display:block;color:#fff;text-decoration:none;}
- #nav ul li a:hover{font-weight:bold;background:#666;}
- #subNav{
- position:absolute;
- width:150px;
- top:30px;
- left:0px;
- padding:5px;
- background:#666;
- color:#fff;
- text-align:left;
- }
- #subNav a{text-decoration:none;font-weight:normal;display:block;}
- #subNav a:hover{color:#f00;background:#f00}
- </style>
- </head>
- <body>
- <div id="mainNavBar">
- <div id="nav">
- <ul>
- <li>
- <a href="#">Add</a>
- <div id="subNav">
- <a href="#">写日志</a>
- <a href="#">增加分类</a>
- </div>
- </li>
- <li>
- <a href="#">Edit</a>
- <div id="subNav">
- <a href="#">修改分类</a>
- <a href="#">文章编辑</a>
- </div>
- </li>
- <li>
- <a href="#">Admin</a>
- <div id="subNav">
- <a href="#">文章管理</a>
- <a href="#">评论管理</a>
- <a href="#">留言管理</a>
- <a href="#">退出</a>
- </div>
- </li>
- </ul>
- </div>
- </div>
- <script language="javascript">
- var nav=document.getElementById("nav").getElementsByTagName("li");
- for(i=0;i<nav.length;i++){
- nav[i].onmouseover=function(){
- this.style.fontWeight="bold";
- this.style.overflow="visible";
- this.style.background="#666666";
- }
- nav[i].onmouseout=function(){
- this.style.fontWeight="normal";
- this.style.background="#999999"
- this.style.overflow="hidden";
- }
- }
- </script>
- </body>
- </html>