一个简单的仿xp的js下拉菜单，本来想用在我的网站的后台管理，但后来发现不实用，还是采用了左右框架的树型菜单，但这个程序既然写出来了，贴出来，希望对其它人有用，有兴趣的朋友可以对快捷键功能进行扩展，目前留有接口，但未实现。
menu.htm（菜单主文件）
<html>
<head>
<title>noteless valley(lijun.org)程序示例</title>
<meta name="generator" content="microsoft visual studio.net 7.0">
<meta name="vs_targetschema" content="http://schemas.microsoft.com/intellisense/ie5">
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<link href="xp_menu.css" rel="stylesheet" type="text/css">
<script language="javascript" src="xp_menu.js"></script>
<script language="javascript" for="document" event="onselectstart">
<!--
return document_onselectstart()
//-->
</script>
<script language="javascript" for="document" event="onclick">
<!--
return document_onclick()
//-->
</script>
</head>
<body scroll="no" language="javascript" onresize="return window_onresize()" onload="return window_onload()">
<script language="javascript">
<!--
//定义一个主菜单对象
var mnumain = new menu("mnumain");
mnumain.bar[0] = new menu_bar("mnumainnl","","无名谷","","noteless valley","",0,"mnunl");
mnumain.bar[1] = new menu_bar("mnumainsiteadmin","","网站管理","","网站管理","",0,"mnusiteadmin");
mnumain.bar[2] = new menu_bar("mnumainsystem","","系统管理","","系统管理","",0,"mnusystem");
mnumain.bar[3] = new menu_bar("mnumainshow","","演示菜单","","menu show","",0,"mnushow");
popmainmenu(mnumain,0,0,"100%",27); //激活主菜单，通过参数确定主菜单的位置
var mnunl = new menu("mnunl");
mnunl.bar[0] = new menu_bar("mnuhomepage","","首页","","homepage","",1,"http://lijun.org");
mnunl.bar[1] = new menu_bar("mnudesign","","网页设计","","design","",1,"http://lijun.org/article.asp?topic=1");
mnunl.bar[2] = new menu_bar("mnuprogram","","网络编程","","program","",1,"http://lijun.org/article.asp?topic=2");
mnunl.bar[3] = new menu_bar("mnuothers","","其它文章","","others","",1,"http://lijun.org/article.asp?topic=3");
popsubmenu(mnunl);
var mnusiteadmin = new menu("mnusiteadmin")
mnusiteadmin.bar[0] = new menu_bar("mnuaddressupdate","","访问地区更新","","访问地区更新","",1,"addressupdate.asp");
popsubmenu(mnusiteadmin);
var mnusystem = new menu("mnusystem");
mnusystem.bar[0] = new menu_bar("mnusysuser","","用户管理","","用户管理","",1,"useradmin.asp");
mnusystem.bar[1] = new menu_bar("mnusysauthority","","权限管理","","权限管理","",1,"authority.asp");
mnusystem.bar[2] = new menu_bar("\-","","","","","","","");
mnusystem.bar[3] = new menu_bar("mnusyspwdchange","","口令修改","","口令修改","",1,"chgpwd.asp");
mnusystem.bar[4] = new menu_bar("\-","","","","","","","");
mnusystem.bar[5] = new menu_bar("mnusyshelp","","帮助","","帮助","",1,"help.asp");
mnusystem.bar[6] = new menu_bar("mnusysabout","","关于本系统","","关于本系统","",1,"about.asp");
mnusystem.bar[7] = new menu_bar("\-","","","","","","","");
mnusystem.bar[8] = new menu_bar("mnusysexit","","退出系统","","退出本系统","",1,"quit.asp");
popsubmenu(mnusystem);
var mnushow = new menu("mnushow");
mnushow.bar[0] = new menu_bar("mnushow1","","演示菜单一","","menu show 1","",1,"menushow1.asp");
mnushow.bar[1] = new menu_bar("mnushow2","","演示菜单二","","menu show 2","",0,"mnushow_2");
mnushow.bar[2] = new menu_bar("mnushow3","","演示菜单三","","menu show 3","",1,"menushow3.asp");
mnushow.bar[3] = new menu_bar("\-","","","","","","","");
mnushow.bar[4] = new menu_bar("mnushow4","","演示菜单四","","menu show 4","",1,"menushow4.asp");
mnushow.bar[5] = new menu_bar("mnushow5","","演示菜单五","","menu show 5","",0,"mnushow_2");
popsubmenu(mnushow);
var mnushow_2 = new menu("mnushow_2");
mnushow_2.bar[0] = new menu_bar("mnushow21","","演示菜单二一","","menu show 2.1","",1,"menushow21.asp");
mnushow_2.bar[1] = new menu_bar("mnushow22","","演示菜单二二","","menu show 2.2","",0,"mnushow_22");
mnushow_2.bar[2] = new menu_bar("mnushow23","","演示菜单二三","","menu show 2.3","",1,"menushow23.asp");
mnushow_2.bar[3] = new menu_bar("mnushow24","","演示菜单二四","","menu show 2.4","",0,"mnushow_22");
mnushow_2.bar[4] = new menu_bar("mnushow25","","演示菜单二五","","menu show 2.5","",1,"menushow25.asp");
popsubmenu(mnushow_2);
