通用的后台左侧管理菜单_菜单导航特效

一款JavaScript+CSS通用网站后台菜单，一般都是在网页左侧，鼠标点击后展开菜单项，你可以复制更多菜单节点，以满足你的使用。

<!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>常用后台JS管理菜单</title>
<style type="text/css">
body {margin:0;text-align:center;font:normal 12px Arial,Verdana,Tahoma;text-align:center;background:#C8D0D5;line-height:150%;}
a:link,a:visited {color:#385065;text-decoration:none}
a:hover {text-decoration:underline}
#menu {width:150px;margin:0px 15px;padding:0px;text-align:left;list-style:none}
#menu .item {margin:5px 0px;padding:0px;list-style:none}
a.title:link, a.title:visited, a.title:hover {display:block;background:url(http://p1.mb5u.com/texiao/menubg1.gif) no-repeat;color:#385065;font-weight:bold;padding:2px 0 0 22px;width:128px;line-height:23px;cursor:pointer;text-decoration:none}
#menu .item ul {border:1px solid #9FACB7;margin:0;width:118px;padding:3px 0px 3px 30px;background:#fff;list-style:none;display:none}
#menu .item ul li {display:block;}
</style>
<script language="javascript" type="text/javascript">
 document.getElementsByClassName = function(cl) {
  var retnode = [];
  var myclass = new RegExp('\\b'+cl+'\\b');
  var elem = this.getElementsByTagName('*');
  for (var j = 0; j < elem.length; j++) {
   var classes = elem[j].className;
   if (myclass.test(classes)) retnode.push(elem[j]);
  }
  return retnode;
 }
 
 // --- 隐藏所有
 function HideAll() {
  var items = document.getElementsByClassName("optiton");
  for (var j=0; j<items.length; j++) {
   items[j].style.display = "none";
  }
 }
 
 // --- 设置cookie
 function setCookie(sName,sValue,expireHours) {
  var cookieString = sName + "=" + escape(sValue);
  //;判断是否设置过期时间
  if (expireHours>0) {
    var date = new Date();
    date.setTime(date.getTime + expireHours * 3600 * 1000);
    cookieString = cookieString + "; expire=" + date.toGMTString();
  }
  document.cookie = cookieString;
 }
 
 //--- 获取cookie
 function getCookie(sName) {
   var aCookie = document.cookie.split("; ");
   for (var j=0; j < aCookie.length; j++){
  var aCrumb = aCookie[j].split("=");
  if (escape(sName) == aCrumb[0])
    return unescape(aCrumb[1]);
   }
   return null;
 }
 
 window.onload = function() {
  var show_item = "opt_1";
  if (getCookie("show_item") != null) {
    show_item= "opt_" + getCookie("show_item");
  }
  document.getElementById(show_item).style.display = "block";
  var items = document.getElementsByClassName("title");
  for (var j=0; j<items.length; j++) {
   items[j].onclick = function() {
    var o = document.getElementById("opt_" + this.name);
    if (o.style.display != "block") {
     HideAll();
     o.style.display = "block";
     setCookie("show_item",this.name);
    }
    else {
     o.style.display = "none";
    }
   }
  }
 }
 </script>
</head>
<body>
<ul id="menu">
<li class="item"><a href="javascript:void(0)" _fcksavedurl="javascript:void(0)" class="title" name="1">添加信息</a>
<ul id="opt_1" class="optiton">
<li><a href="/" _fcksavedurl="#">添加软件</a></li>
<li><a href="#" _fcksavedurl="#">软件列表</a></li>
</ul>
</li>
<li class="item"><a href="javascript:void(0)" _fcksavedurl="javascript:void(0)" class="title" name="2">系统管理</a>
<ul id="opt_2" class="optiton">
<li><a href="/" _fcksavedurl="#">管理员设置</a></li>
<li><a href="#" _fcksavedurl="#">添加管理员</a></li>
</ul>
</li>
<li class="item"><a href="javascript:void(0)" _fcksavedurl="javascript:void(0)" class="title" name="3">友情链接</a>
<ul id="opt_3" class="optiton">
<li><a href="/" _fcksavedurl="#">添加链接</a></li>
<li><a href="#" _fcksavedurl="#">链接管理</a></li>
<li><a href="#" _fcksavedurl="#">退出系统</a></li>
</ul>
</li>
</ul>
</body>
</html>

所属频道：菜单导航特效/更新时间：2011-02-24

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