像样一点的js目录

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<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Div+CSS+JS树型菜单,可刷新</title>
<meta name="description" content="http://www.susuc.cn">
<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;
       /*定义整个ul菜单的行高和背景色*/
}

/*==================一级目录===================*/
#nav a {
       width: 160px;  
       display: block;
       padding-left:20px;
       /*Width(一定要),否则下面的Li会变形*/
}

#nav li {
       background:#CCC; /*一级目录的背景色*/
       border-bottom:#FFF 1px solid; /*下面的一条白边*/
       float:left;
       /*float:left,本不应该设置,但由于在Firefox不能正常显示
       继承Nav的width,限制宽度,li自动向下延伸*/
}

#nav li a:hover{
       background:#CC0000;       /*一级目录onMouseOver显示的背景色*/
}

#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;
}

/*==================二级目录===================*/
#nav li ul {
       list-style:none;
       text-align:left;
}
#nav li ul li{     
       background: #EBEBEB; /*二级目录的背景色*/
}

#nav li ul a{
            padding-left:20px;
            width:160px;
       /* padding-left二级目录中文字向右移动,但Width必须重新设置=(总宽度-padding-left)*/
}

/*下面是二级目录的链接样式*/

#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;
       /* 二级onmouseover的字体颜色、背景色*/
}

/*==============================*/
#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.susuc.cn" target="_blank">Baidu·风影</a></li>
       <li><a href="http://www.susuc.cn" target="_blank">Baidu·风影</a></li>
       <li><a href="http://www.susuc.cn" target="_blank">Baidu·风影</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.susuc.cn" target="_blank">支付</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.susuc.cn" target="_blank">管理</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.susuc.cn" target="_blank">管理</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>
请大家支持:<a href="http://www.susuc.cn" target="_blank">http://www.susuc.cn</a>
</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 (_paramArr.length>0)
           {
               var _arr = new Array(_paramArr.length);
           }
         
           //取所有#后面的,菜单只需用到Menu
           //for (var i = 0; i < _paramArr.length; i++)
           {
               var _paramKeyVal = _paramArr[i].split('=');
             
               if (_paramKeyVal.length>0)
               {
                   _arr[_paramKeyVal[0]] = _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>

 
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