给大家一个树状的DIV+CSS+JS的树状菜单，自己可以更改达到自己想要的效果
复制内容到剪贴板
代码:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Div+CSS+JS树型菜单，可刷新 特效</title>
<meta name="description" content="http://alexa.knowsky.com">
<style type="text/css">
<!--
*{margin:0;padding:0;border:0;}
body {font-family: arial, 宋体, serif;font-size:12px;}
#nav {width:180px;line-height: 24px;list-style-type: none;text-align:left;}
#nav a {width: 160px;display: block;padding-left:20px; }
#nav li {background:#CCC;border-bottom:#FFF 1px solid;float:left;}
#nav li a:hover{background:#CC0000; }
#nav a:link {color:#666; text-decoration:none;}
#nav a:visited {color:#666;text-decoration:none;}
#nav a:hover { color:#FFF;text-decoration:none;font-weight:bold;}
#nav li ul {list-style:none;text-align:left;}
#nav li ul li{background: #EBEBEB;}
#nav li ul a{padding-left:20px;width:160px;}
#nav li ul a:link{color:#666; text-decoration:none;}
#nav li ul a:visited{color:#666;text-decoration:none;}
#nav li ul a:hover {color:#F3F3F3;text-decoration:none;font-weight:normal;background:#CC0000;}
#nav li:hover ul { left: auto;}
#nav li.sfhover ul {left: auto;}
#content {clear: left;}
#nav ul.collapsed {display: none;}
#PARENT{width:300px; padding-left:20px;}
-->
</style>
</head>
<body>
<div id="PARENT">
<ul id="nav">
<li><a href="#Menu=ChildMenu1" onclick="DoMenu('ChildMenu1')">我的网站</a>
<ul id="ChildMenu1" class="collapsed">
<li><a href="http://www.www.divcss5.com" target="_blank">CSS</a></li>
<li><a href="http://www.www.divcss5.com" target="_blank">DIV+CSS</a></li>
<li><a href="http://www.www.divcss5.com" target="_blank">DIV CSS</a></li>
<li><a href="http://www.www.divcss5.com" target="_blank">DIV CSS教程</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu2" onclick="DoMenu('ChildMenu2')">我的帐务</a>
<ul id="ChildMenu2" class="collapsed">
<a href="http://www.www.divcss5.com" target="_blank">CSS div</a></li>
<li><a href="#">网上支付</a></li>
<li><a href="#">登记汇款</a></li>
<li><a href="#">在线招领</a></li>
<li><a href="#">历史帐务</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu3" onclick="DoMenu('ChildMenu3')">网站管理</a>
<ul id="ChildMenu3" class="collapsed">
<li><a href="#">登录</a></li>
<a href="http://www.www.divcss5.com/css-hack" target="_blank">css hack</a></li>
<li><a href="#">管理</a></li>
<li><a href="#">管理</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu4" onclick="DoMenu('ChildMenu4')">网站管理</a>
<ul id="ChildMenu4" class="collapsed">
<li><a href="#">登录</a></li>
<a href="http://www.www.divcss5.com" target="_blank">divcss5</a></li>
<li><a href="#">管理</a></li>
<li><a href="#">管理</a></li>
</ul>
</li>
</ul>
</div>
<div style="width:300;padding-left:30px;">
</br></br>
工作需要搞了一个菜单，分享给大家，大家一齐学习
</br></br>
</div>
</body>
</html>
<script type=text/javascript><!--
var LastLeftID = "";
function menuFix() {
var obj = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<obj.length; i++) {
obj[i].onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
}
}
}
function DoMenu(emid)
{
var obj = document.getElementById(emid);
obj.className = (obj.className.toLowerCase() == "expanded"?"collapsed":"expanded");
if((LastLeftID!="")&&(emid!=LastLeftID)) //关闭上一个Menu
{
document.getElementById(LastLeftID).className = "collapsed";
}
LastLeftID = emid;
}
function GetMenuID()
{
var MenuID="";
var _paramStr = new String(window.location.href);
var _sharpPos = _paramStr.indexOf("#");
if (_sharpPos >= 0 && _sharpPos < _paramStr.length - 1)
{
_paramStr = _paramStr.substring(_sharpPos + 1, _paramStr.length);
}
else
{
_paramStr = "";
}
if (_paramStr.length > 0)
{
var _paramArr = _paramStr.split("&");
if (_paramArr.length>0)
{
var _paramKeyVal = _paramArr[0].split("=");
if (_paramKeyVal.length>0)
{
MenuID = _paramKeyVal[1];
}
}
}
if(MenuID!="")
{
DoMenu(MenuID)
}
}
GetMenuID(); //*这两个function的顺序要注意一下，不然在Firefox里GetMenuID()不起效果
menuFix();
--></script>
