日期:2014-05-17 浏览次数:20769 次
<!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>CSS下拉菜单</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script type="text/javascript">
startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
}
node.onmouseout=function() {
this.className=this.className.replace(" over", "");
}
}
}
}
}
window.onload=startList;
</script>
<style type="text/css">
body{
text-align: center;
font-size:12px;
}
#popimg{
WIDTH:770px;
margin:0 auto;
text-align:center;
}
#popimg2{
WIDTH:770px;
margin:0 auto;
text-align:center;
z-index:-1;
}
ul {
padding: 0;
margin: 0;
list-style: none;
}
li {
position:relative;
float: left;
width: 110px;
}
li ul {
position:absolute;
display: none;
top: 20px;left:0;
}
li:hover ul, li.over ul {
display: block;
}
ul li a{
display:block;
font-size:12px;
border: 1px solid #ccc;
padding:3px;
margin-right:1px;
text-decoration: none;
color: #777;background:#eee;
}
ul li a:hover{
background-color:#f4f4f4;
}
#test{
clear:both;
background-color:#999999;
width:769px;
height:100px;
margin:0 auto;
}
</style>
</head>
<body>
<div id="popimg">
<ul id="nav">
<li><a href="">图形图像</a>
<ul>
<li><a href="/sort/list_11_203_1.shtml">Ajax/JavaScript</a></li><li><a href="/sort/list_11_83_1.shtml">ExtJS</a></li><li><a href="/sort/list_11_112_1.shtml">jQuery</a></li>
</ul>
</li>
<li><a href="">参考</a>
<ul>
<li><a href="/sort/list_8_165_1.shtml">多媒体技术</a></li><li><a href="/sort/list_8_162_1.shtml">控件相关</a></li><li><a href="/sort/list_8_160_1.shtml">图形处理</a></li>
</ul>
</li>
<li><a href="">Ajax</a>
<ul>
<li><a href="/sort/list_11_168_1.shtml">CSS特效</a></li><li><a href