<html><HEAD><TITLE>gazingus.org - Expandable Menu</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE type=text/css media=screen>
<!--
@import url("menuExpandable3.css");
-->
</STYLE>
<SCRIPT src="menuExpandable3.js" type=text/javascript></SCRIPT>
<SCRIPT type=text/javascript>
<!--
window.onload = function()
{
initializeMenu("productsMenu", "productsActuator");
initializeMenu("newPhonesMenu", "newPhonesActuator");
initializeMenu("compareMenu", "compareActuator");
}
//-->
</SCRIPT>
<link href="menuExpandable3.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY >
<DIV id=mainMenu onclick="">
<UL id=menuList>
<LI class=menubar style="BACKGROUND-IMAGE: url(/images/plus.gif)"><A class=actuator id=productsActuator href="#">Phones</A>
<UL class=menu id=productsMenu>
<LI style="BACKGROUND-IMAGE: url(/images/plus.gif)"><A class=actuator id=newPhonesActuator href="#">New Phones</A>
<UL class=submenu id=newPhonesMenu>
<LI><A href="#">9290</A>
<LI><A href="#">8390</A>
<LI><A href="#">8290</A>
<LI><A href="#">8270</A> </LI></UL>
<LI style="BACKGROUND-IMAGE: url(/images/plus.gif)"><A class=actuator id=compareActuator href="#">Compare</A>
<UL class=submenu id=compareMenu>
<LI><A href="#">All Phones</A>
<LI><A href="#">Service Provider</A> </LI></UL></LI></UL></LI></UL></DIV></BODY></html>
---------------------------------------------------------------------------------------
css内容（menuExpandable3.css）
-----------------------------
body {
font-family: verdana, helvetica, arial, sans-serif;
}
#mainMenu {
background-color: #EEE;
border: 1px solid #CCC;
color: #000;
width: 203px;
}
#menuList {
margin: 0px;
padding: 10px 0px 10px 15px;
}
li.menubar {
background: url(/images/plus.gif) no-repeat 0em 0.3em;
font-size: 12px;
line-height: 1.5em;
list-style: none outside;
}
.menu, .submenu {
display: none;
margin-left: 15px;
padding: 0px;
}
.menu li, .submenu li {
background: url(/images/square.gif) no-repeat 0em 0.3em;
list-style: none outside;
}
a.actuator {
background-color: transparent;
color: #000;
font-size: 12px;
padding-left: 15px;
text-decoration: none;
}
a.actuator:hover {
text-decoration: underline;
}
.menu li a, .submenu li a {
background-color: transparent;
color: #000;
font-size: 12px;
padding-left: 15px;
text-decoration: none;
}
.menu li a:hover, submenu li a:hover {
/*border-bottom: 1px dashed #000;*/
text-decoration: underline;
}
span.key {
text-decoration: underline;
}
-----------------------------------------------------
js文件内容（menuExpandable3.js）
----------------------
/*
* menuExpandable3.js - implements an expandable menu based on a HTML list
* Author: Dave Lindquist (http://www.gazingus.org)
*/
if (!document.getElementById)
document.getElementById = function() { return null; }
function initializeMenu(menuId, actuatorId) {
var menu = document.getElementById(menuId);
var actuator = document.getElementById(actuatorId);
if (menu == null || actuator == null) return;
//if (window.opera) return; // I'm too tired
actuator.parentNode.style.backgroundImage = "url(/images/plus.gif)";
actuator.onclick = function() {
var display = menu.style.display;
this.parentNode.style.backgroundImage =
(display == "block") ? "url(/images/plus.gif)" : "url(/images/minus.gif)";
menu.style.display = (display == "block") ? "none" : "block";
return false;
}
}