代码简介：
自己做一款不错的二级导航菜单，黑色风格，是根据仿淘宝支付宝菜单而做的，自我感觉还算行吧。
代码内容：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>【荐】自己做一款不错的JS+CSS多级导航菜单_网页代码站(www.webdm.cn)</title>
<style>
/* ::::: css ::::: */
strong {
font-style: normal;
font-weight: normal;
font-weight: bold;
}
a {
cursor: pointer;
text-decoration: none;
}
#container {
960px;
margin: 0pt auto;
}
#nav, .nav-container, .nav-container ul, #nav .nav-master-a:hover, #nav .nav-master-a:hover strong, #nav li.current .nav-master-a strong, #nav li.current .nav-master-a,
#nav .nav-sub a:hover, #nav .nav-sub a:hover span {
background-image: url('http://www.webdm.cn/images/20101123/bg-nav.gif');
background-repeat: no-repeat;
}
#nav {
position: relative;
height: 66px;
margin: 5px 0pt 0pt;
background-position: 0pt -230px;
background-repeat: repeat-x;
}
.nav-container {
padding-left: 15px;
height: 66px;
background-position: 0pt 0pt;
}
.nav-container ul {
height: 100%;
background-position: right -66px;
}
.nav-container ul ul.nav-sub {
background: none repeat scroll 0% 0% transparent;
height: auto;
}
.nav-master {
display: block;
float: left;
height: 36px;
100px;
line-height: 36px;
text-align: center;
padding-right: 4px;
}
.nav-master-a {
display: block;
font-size: 14px;
height: 26px;
line-height: 26px;
overflow: hidden;
background: none repeat scroll 0% 0% transparent;
text-decoration: none;
margin-top: 5px;
}
.nav-master-a strong {
display: block;
color: rgb(255, 255, 255);
height: 100%;
}
li.current .nav-master-a strong, #nav li.current .nav-master-a:hover strong {
color: rgb(0, 0, 0);
}
.nav-master-a:hover {
text-decoration: none;
background-position: 0pt -315px;
}
.nav-master-a:hover strong {
background-position: right -360px;
}
#nav li.current .nav-master-a strong {
background-position: right -180px;
padding-top: 2px;
}
#nav li.current .nav-master-a {
background-position: 0pt -131px;
overflow: hidden;
color: rgb(0, 0, 0);
height: 31px;
}
#nav li.current .nav-master-a:hover strong {
color: rgb(0, 0, 0);
}
ul.nav-sub {
position: absolute;
920px;
text-align: left;
top: 38px;
left: 20px;
display: none;
padding: 2px 0pt 0pt;
background: none repeat scroll 0% 0% transparent;
}
#nav .current .nav-sub {
display: block;
}
.nav-sub li {
float: left;
display: block;
78px;
text-align: center;
height: 30px;
overflow: hidden;
margin-right: 4px;
}
#nav .nav-sub a {
display: block;
height: 22px;
overflow: hidden;
color: rgb(77, 77, 77);
text-decoration: none;
}
#nav .nav-sub a span {
display: block;
line-height: 22px;
height: 22px;
}
#nav .nav-sub a:hover {
background-position: 0pt -405px;
}
#nav .nav-sub a:hover span {
background-position: right -446px;
}
.sp-nav {
overflow:hidden;
background: url(http://www.webdm.cn/images/20101123/bg-nav.gif) repeat-x 0 -595px;
height:31px;
line-height:31px
}
.sp-con {
color:#CCC;
margin:0 auto;
968px;
}
.sp-l {
overflow:hidden;
float:left;
background:url(http://www.webdm.cn/images/20101123/bg-nav.gif) no-repeat 0 -558px;
6px;
height:31px
}
.sp-r {
overflow:hidden;
float:right;
background:url(http://www.webdm.cn/images/20101123/bg-nav.gif) no-repeat -6px -558px;
height:31px;
6px;
}
.sp-m {
position:relative;
padding:0 10px;
float:left;
background:url(http://www.webdm.cn/images/20101123/201010/bg-nav.gif) repeat-x 0 -495px;
height:31px;
line-height:31px;
936px;
color:#000;
text-align: left;
}
.other {
float: left;
height: 23px;
margin-right: 22px;
display: inline;
}
.so {
float: right;
padding-top: 6px;
height: 26px;
}
.so .inputstyleso {
89px;
height: 16px;
line-height: 16px;
border: 1px solid rgb(190, 190, 190);
float: left;
padding-top: 2px;
padding-left: 5px;
}
.so img {
float: left;
margin: 2px 4px 0pt 0pt;
display: inline;
}
</style>
</head>
<body>
<script language="javascript">
var waitInterval2;
var MDelayTime2=300;/* 设置延时0.3秒 */
function qiehuan(num){
clearTimeout(waitInterval2);
waitInterval2=window.setTimeout("qiehuan2("+num+");",MDelayTime2);
}
function qiehuan2(num){
clearTimeout(waitInterval2);
for(var id = 0;id<=9;id++)
{
if(id==num)
{
document.getElementById("qh_con"+id).style.display="block";
document.getElementById("mynav"+id).className="nav-master current";
}
else
{
document.getElementById("qh_con"+id).style.display="none";
document.getElementById("mynav"+id).className="nav-master";
}
}
}
</script>
<div id="nav">
<div class="nav-container">
<ul>
<li class="nav-master current" id="mynav0"><a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(0)"><strong>
首页</strong></a>
<ul class="nav-sub" id="qh_con0">
<li><a href="#"><span>最近更新</span></a></li>
<li><a href="#"><span>热门推荐</span></a></li>
<li><a href="#"><span>周下载榜</span></a></li>
<li><a href="#"><span>月下载榜</span></a></li>
<li><a href="#"><span>相关教程</span></a></li>
<li><a href="#"><span>美化软件</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav1"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(1)"><strong>xp主题
</strong></a>
<ul class="nav-sub" id="qh_con1">
<li><a href="#"><span>美女明星</span></a></li>
<li><a href="#"><span>影视动漫</span></a></li>
<li><a href="#"><span>清爽系列</span></a></li>
<li><a href="#"><span>颜色专题</span></a></li>
<li><a href="#"><span>3D金属</span></a></li>
<li><a href="#"><span>节日游戏</span></a></li>
<li><a href="#"><span>汽车体育</span></a></li>
<li><a href="#"><span>风景设计</span></a></li>
<li><a href="#"><span>苹果系统</span></a></li>
<li><a href="#"><span>透明专题</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav2"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(2)"><strong>vista主
题</strong></a>
<ul class="nav-sub" id="qh_con2">
<li><a href="#"><span>完美套装</span></a></li>
<li><a href="#"><span>动漫影视</span></a></li>
<li><a href="#"><span>清爽系列</span></a></li>
<li><a href="#"><span>美女主题</span></a></li>
<li><a href="#"><span>3D系列</span></a></li>
<li><a href="#"><span>汽车主题</span></a></li>
<li><a href="#"><span>风景主题</span></a></li>
<li><a href="#"><span>黑色主题</span></a></li>
<li><a href="#"><span>创意设计</span></a></li>
<li><a href="#"><span>系统主题</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav3"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(3)"><strong>win7主题
</strong></a>
<ul class="nav-sub" id="qh_con3">
<li><a href="#"><span>完美套装</span></a></li>
<li><a href="#"><span>风景主题</span></a></li>
<li><a href="#"><span>动漫影视</span></a></li>
<li><a href="#"><span>汽车主题</span></a></li>
<li><a href="#"><span>清爽系列</span></a></li>
<li><a href="#"><span>设计主题</span></a></li>
<li><a href="#"><span>黑色主题</span></a></li>
<li><a href="#"><span>精美推荐</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav4"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(4)"><strong>屏幕保护
</strong></a>
<ul class="nav-sub" id="qh_con4">
<li><a href="#"><span>泡泡</span></a></li>
<li><a href="#"><span>湖泊瀑布</span></a></li>
<li><a href="#"><span>动物植物</span></a></li>
<li><a href="#"><span>3D、游戏</span></a></li>
<li><a href="#"><span>影视卡通</span></a></li>
<li><a href="#"><span>时钟</span></a></li>
<li><a href="#"><span>恐怖</span></a></li>
<li><a href="#"><span>节日、艺术</span></a></li>
<li><a href="#"><span>水馆族</span></a></li>
<li><a href="#"><span>自然风光</span></a></li>
<li><a href="#"><span>太空、火焰</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav5"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(5)"><strong>系统图标
</strong></a>
<ul class="nav-sub" id="qh_con5">
<li><a href="#"><span>IP包</span></a></li>
<li><a href="#"><span>苹果</span></a></li>
<li><a href="#"><span>系统硬件</span></a></li>
<li><a href="#"><span>生活</span></a></li>
<li><a href="#"><span>游戏</span></a></li>
<li><a href="#"><span>节日</span></a></li>
<li><a href="#"><span>卡通</span></a></li>
<li><a href="#"><span>文件夹</span></a></li>
<li><a href="#"><span>回收站</span></a></li>
<li><a href="#"><span>软件</span></a></li>
<li><a href="#"><span>手机数码</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav6"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(6)"><strong>鼠标指针
</strong></a>
<ul class="nav-sub" id="qh_con6">
<li><a href="#"><span>动漫鼠标</span></a></li>
<li><a href="#"><span>透明系列</span></a></li>
<li><a href="#"><span>精美特色</span></a></li>
<li><a href="#"><span>CursorFx/Xp</span></a></li>
<li><a href="#"><span>鼠标特效</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav7"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(7)"><strong>桌面壁纸
</strong></a>
<ul class="nav-sub" id="qh_con7">
<li><a href="#"><span>3D、创意</span></a></li>
<li><a href="#"><span>美女明星</span></a></li>
<li><a href="#"><span>动物植物</span></a></li>
<li><a href="#"><span>风景、日历</span></a></li>
<li><a href="#"><span>节日系列</span></a></li>
<li><a href="#"><span>影视动漫</span></a></li>
<li><a href="#"><span>游戏卡通</span></a></li>
<li><a href="#"><span>PSP、手绘</span></a></li>
<li><a href="#"><span>炫彩抽象</span></a></li>
<li><a href="#"><span>人文建筑</span></a></li>
</ul>
</li>
<li class="nav-master" id="mynav8"> <a class="nav-master-a" href="#" onMouseOut="clearTimeout(waitInterval2);" onMouseOver="javascript:qiehuan(8)"><strong>其它美化
</strong></a>
<ul class="nav-sub" id="qh_con8">
<li><a href="#"><span>启动界面</span></a></li>
<li><a href="#"><span>登陆界面</span></a></li>
<li><a href="#"><span>vista边栏</span></a></li>
<li><a href="#"><span>梦幻桌面</span></a></li>
<li><a href="#"><span>系统声音</span></a></li>
<li><a href="#"><span>精选美化包</span></a></li>
<li><a href="#"><span>相关教程</span></a></li>
<li><a href="#"><span>美化软件</span></a></li>
</ul>
</li>
</ul>
</div>
</div>
<br />
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码！</p>
</body>
</html>
代码来自：http://www.webdm.cn/webcode/ddb00e5a-96fb-4206-a1fd-7680934311d6.html