Div+CSS+JS树型菜单,可刷新

<!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.livepo.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;
    /*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.netany.net" target="_blank">[url]www.netany.net[/url]</a></li>
    <li><a href="http://www.netany.net" target="_blank">[url]www.netany.net[/url]</a></li>
    <li><a href="http://www.netany.net" target="_blank">[url]www.netany.net[/url]</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.netany.net" 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.netany.net" 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.netany.net" 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.netany.net" target="_blank">[url]http://www.netany.net[/url]</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>

该文章转载自脚本之家:http://www.jb51.net/html/200607/23/425.htm

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