用CSS打造向上展开的多级导航菜单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml2/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>用CSS打造向上展开的多级导航菜单_网页代码站(www.webdm.cn)</title>
<style>
#nav,
#nav ul {padding:0 0 5px 0; margin:0; list-style:none; font: 10px verdana, sans-serif; border:1px solid #000; border-color:#ace #79b #68a #bde;
border-width:1px 2px 2px 1px; background:#fff; position:relative; z-index:200;}
#nav {height:25px; padding:0;}
#nav li {float:left;}
#nav li li {float:none; background:#fff;}
* html #nav li li {float:left;}
#nav li a {display:block; float:left; color:#888; margin:0 25px 0 10px; height:25px; line-height:25px; text-decoration:none; white-
space:nowrap;}
#nav li li a {height:20px; line-height:20px; float:none;}
#nav li:hover {position:relative; z-index:300;}
#nav li:hover ul {left:0; bottom:21px; top:auto;}
* html #nav li:hover ul {left:10px;}
#nav ul {position:absolute; left:-9999px; top:-9999px;}
* html #nav ul {width:1px;}
#nav li:hover li:hover > ul {left:-15px; margin-left:100%; bottom:-7px; top:auto;}
#nav li:hover > ul ul {position:absolute; left:-9999px; top:-9999px; width:auto;}
#nav li:hover > a {text-decoration:underline; color:#57b;}
#nav li:hover li:hover ul,
#nav li:hover li:hover li:hover ul,
#nav li:hover li:hover li:hover li:hover ul,
#nav li:hover li:hover li:hover li:hover li:hover ul
{left:-15px; margin-left:100%; bottom:-7px; top:auto;}
#nav li:hover ul ul,
#nav li:hover li:hover ul ul,
#nav li:hover li:hover li:hover ul ul,
#nav li:hover li:hover li:hover li:hover ul ul
{position:absolute; left:-9999px; top:-9999px;}
#nav li:hover a,
#nav li:hover li:hover a,
#nav li:hover li:hover li:hover a,
#nav li:hover li:hover li:hover li:hover a,
#nav li:hover li:hover li:hover li:hover li:hover a,
#nav li:hover li:hover li:hover li:hover li:hover li:hover a
{text-decoration:underline; color:#57b;}
#nav li:hover li a,
#nav li:hover li:hover li a,
#nav li:hover li:hover li:hover li a,
#nav li:hover li:hover li:hover li:hover li a,
#nav li:hover li:hover li:hover li:hover li:hover li a
{text-decoration:none; color:#888;}
</style>
<script>
stuHover = function() {
var cssRule;
var newSelector;
for (var i = 0; i < document.styleSheets.length; i++)
for (var x = 0; x < document.styleSheets[i].rules.length ; x++)
{
cssRule = document.styleSheets[i].rules[x];
if (cssRule.selectorText.indexOf("LI:hover") != -1)
{
newSelector = cssRule.selectorText.replace(/LI:hover/gi, "LI.iehover");
document.styleSheets[i].addRule(newSelector , cssRule.style.cssText);
}
}
var getElm = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<getElm.length; i++) {
getElm[i].onmouseover=function() {
this.className+=" iehover";
}
getElm[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" iehover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", stuHover);
</script>
</head>
<body>
<h1><a href="http://www.webdm.cn">向上展开的多级CSS菜单</a></h1>
<h2>Skeleton pull up menu</h2>
<ul id="nav">
<li><a href="#nogo">Home</a></li>
<li><a href="#nogo">About us »</a>
<ul>
<li><a href="#nogo">Who we are</a></li>
<li><a href="http://www.webdm.cn">What we do</a></li>
</ul>
</li>
<li><a href="#nogo">Products »</a>
<ul>
<li><a href="#nogo">Tripods »</a>
<ul>
<li><a href="http://www.webdm.cn">Monopods</a></li>
<li><a href="#nogo">Tripods</a></li>
<li><a href="#nogo">Adjutable head</a></li>
</ul>
</li>
<li><a href="#nogo">Films »</a>
<ul>
<li><a href="http://www.webdm.cn">35mm</a></li>
<li><a href="#nogo">Color Print</a></li>
</ul>
</li>
<li><a href="#nogo">Cameras »</a>
<ul>
<li><a href="#nogo">Compact »</a>
<ul>
<li><a href="http://www.webdm.cn">Canon</a></li>
<li><a href="#nogo">Nikon</a></li>
<li><a href="#nogo">Pentax</a></li>
</ul>
</li>
<li><a href="#nogo">Digital »</a>
<ul>
<li><a href="http://www.webdm.cn">Canon</a></li>
<li><a href="#nogo">Nikon »</a>
<ul>
<li><a href="#nogo">Lenses »</a>
<ul>
<li><a href="#nogo">Mirror</a></li>
<li><a href="#nogo">Macro</a></li>
</ul>
</li>
<li><a href="http://www.webdm.cn">Speedlight</a></li>
<li><a href="#nogo">Coolpix »</a>
<ul>
<li><a href="#nogo">Coolpix S10</a></li>
<li><a href="#nogo">Coolpix S500</a></li>
</ul>
</li>
<li><a href="#nogo">D200</a></li>
<li><a href="#nogo">D80</a></li>
</ul>
</li>
<li><a href="http://www.webdm.cn">Minolta</a></li>
<li><a href="#nogo">Pentax</a></li>
</ul>
</li>
<li><a href="#nogo">SLR »</a>
<ul>
<li><a href="#nogo">Canon</a></li>
<li><a href="#nogo">Nikon</a></li>
<li><a href="#nogo">Minolta</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#nogo">Flash</a></li>
<li><a href="#nogo">Video</a></li>
</ul>
</li>
<li><a href="#nogo">FAQs »</a>
<ul>
<li><a href="http://www.webdm.cn">Cameras</a></li>
<li><a href="#nogo">Film types</a></li>
</ul>
</li>
<li><a href="#nogo">Privacy »</a>
<ul>
<li><a href="#nogo">Privacy Policy</a></li>
<li><a href="#nogo">Privacy Statement</a></li>
</ul>
</li>
<li><a href="#nogo">Contact us</a></li>
</ul>
</body>
</html>
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