简洁的双级导航菜单
看看效果
2008.10.15
xhtml部分
<ul id="butong-nav">
<li><a href="#">Home</a></li>
<li><a href="#">About</a>
<ul>
<li><a href="#">History</a></li>
<li><a href="#">Team</a></li>
<li><a href="#">Offices</a></li>
</ul>
</li>
<li><a href="#">Services</a>
<ul>
<li><a href="#">Web Design</a></li>
<li><a href="#">Internet Marketing</a></li>
<li><a href="#">Hosting</a></li>
<li><a href="#">Domain Names</a></li>
<li><a href="#">Broadband</a></li>
</ul>
</li>
<li><a href="#">Contact Us</a>
<ul>
<li><a href="#">United Kingdom</a></li>
<li><a href="#">France</a></li>
<li><a href="#">USA</a></li>
<li><a href="#">Australia</a></li>
</ul>
</li>
</ul>
css部分
#butong-nav, #butong-nav ul {
font: normal 11px verdana;
margin: 0;
padding: 0;
list-style: none;
width: 150px;
border-bottom: 1px solid #CCC;
}
#butong-nav li {
position: relative;
}
#butong-nav ul {
position: absolute;
left: 149px;
top: 0;
display: none;
}
#butong-nav li a {
display: block;
text-decoration: none;
color: #777;
background: #fff;
padding: 5px;
border: 1px solid #ccc;
border-bottom: 0;
}
#butong-nav li a:hover {
text-decoration: underline;
}
* html #butong-nav li {
float: left;
height: 1%;
}
* html #butong-nav li a {
height: 1%;
}
#butong-nav li:hover ul, #butong-nav li.over ul {
display: block;
}
JavaScript部分
startList = function() {
if (document.all && document.getElementById) {
navRoot = document.getElementById("butong-nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName == "LI") {
node.onmouseover = function() {
this.className += "over";
}
node.onmouseout = function() {
this.className = this.className.replace("over", "");
}
}
}
}
}
window.onload = startList;