无忧源码网 - 类似与QQ的好友之类的树型菜单代码

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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|wuym.com/Js|---类似与QQ的好友之类的树型菜单</title>

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(/js/images/plus.gif)";
actuator.onclick = function() {
var display = menu.style.display;
this.parentNode.style.backgroundImage =
(display == "block") ? "url(/js/images/plus.gif)" : "url(/js/images/minus.gif)";
menu.style.display = (display == "block") ? "none" : "block";

return false;
}
}
window.onload = function() {
initializeMenu("productsMenu", "productsActuator");
initializeMenu("newPhonesMenu", "newPhonesActuator");
initializeMenu("compareMenu", "compareActuator");
}
</script>
<style>
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(/js/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(/js/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;
}
</style>
<body>

<div id="mainMenu">
<ul id="menuList">
<li class="menubar">
<a href="http://www.wuym.com/Js" id="productsActuator" class="actuator">图秀地带收藏夹</a>
<ul id="productsMenu" class="menu">
<li>
<a href="http://www.wuym.com/tool" id="newPhonesActuator" class="actuator">我的好友</a>
<ul id="newPhonesMenu" class="submenu">
<li><a href="http://www.wuym.com/tv" target="_balcn">张三[10000001]</a></li>
<li><a href="http://www.wuym.com/soft" target="_balcn">李四[10000002]</a></li>
<li><a href="http://www.wuym.com/tool" target="_balcn">张三[10000001]</a></li>
<li><a href="http://www.wuym.com/color" target="_balcn">李四[10000002]</a></li>
</ul>
</li>
<li>
<a href="http://www.wuym.com/" id="compareActuator" class="actuator">陌生人</a>
<ul id="compareMenu" class="submenu">
<li><a href="http://www.wuym.com/" target="_balcn">张三[10000001]</a></li>
<li><a href="http://www.wucode.cn/js" target="_balcn">李四[10000002]</a></li>
<li><a href="http://www.wuym.com/tool" target="_balcn">张三[10000001]</a></li>
<li><a href="http://www.wuym.com/js" target="_balcn">李四[10000002]</a></li>
</ul></li></ul></li>
</ul></div>
</body></html>