自己做一款不错的二级导航菜单

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>多级导航菜单</title> 
<style> 
/* ::::: css ::::: */ 
strong { 
font-style: normal; 
font-weight: normal; 
font-weight: bold; 
} 
a { 
cursor: pointer; 
text-decoration: none; 
} 
#container { 
width: 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('/upload/201011/20101103170026176.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; 
width: 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; 
width: 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; 
width: 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(/upload/201011/20101103170026176.gif) repeat-x 0 -595px; 
height:31px; 
line-height:31px 
} 
.sp-con { 
color:#CCC; 
margin:0 auto; 
width:968px; 
} 
.sp-l { 
overflow:hidden; 
float:left; 
background:url(/upload/201011/20101103170026176.gif) no-repeat 0 -558px; 
width:6px; 
height:31px 
} 
.sp-r { 
overflow:hidden; 
float:right; 
background:url(/upload/201011/20101103170026176.gif) no-repeat -6px -558px; 
height:31px; 
width:6px; 
} 
.sp-m { 
position:relative; 
padding:0 10px; 
float:left; 
background:url(/upload/201011/20101103170026176.gif) repeat-x 0 -495px; 
height:31px; 
line-height:31px; 
width: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 { 
width: 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">首页 
<ul class="nav-sub" id="qh_con0"> 
<li>最近更新</li> 
<li>热门推荐</li> 
<li>周下载榜</li> 
<li>月下载榜</li> 
<li>相关教程</li> 
<li>美化软件</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav1"> xp主题 
<ul class="nav-sub" id="qh_con1"> 
<li>美女明星</li> 
<li>影视动漫</li> 
<li>清爽系列</li> 
<li>颜色专题</li> 
<li>3D金属</li> 
<li>节日游戏</li> 
<li>汽车体育</li> 
<li>风景设计</li> 
<li>苹果系统</li> 
<li>透明专题</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav2"> vista主题 
<ul class="nav-sub" id="qh_con2"> 
<li>完美套装</li> 
<li>动漫影视</li> 
<li>清爽系列</li> 
<li>美女主题</li> 
<li>3D系列</li> 
<li>汽车主题</li> 
<li>风景主题</li> 
<li>黑色主题</li> 
<li>创意设计</li> 
<li>系统主题</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav3"> win7主题 
<ul class="nav-sub" id="qh_con3"> 
<li>完美套装</li> 
<li>风景主题</li> 
<li>动漫影视</li> 
<li>汽车主题</li> 
<li>清爽系列</li> 
<li>设计主题</li> 
<li>黑色主题</li> 
<li>精美推荐</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav4"> 屏幕保护 
<ul class="nav-sub" id="qh_con4"> 
<li>泡泡</li> 
<li>湖泊瀑布</li> 
<li>动物植物</li> 
<li>3D、游戏</li> 
<li>影视卡通</li> 
<li>时钟</li> 
<li>恐怖</li> 
<li>节日、艺术</li> 
<li>水馆族</li> 
<li>自然风光</li> 
<li>太空、火焰</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav5"> 系统图标 
<ul class="nav-sub" id="qh_con5"> 
<li>IP包</li> 
<li>苹果</li> 
<li>系统硬件</li> 
<li>生活</li> 
<li>游戏</li> 
<li>节日</li> 
<li>卡通</li> 
<li>文件夹</li> 
<li>回收站</li> 
<li>软件</li> 
<li>手机数码</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav6"> 鼠标指针 
<ul class="nav-sub" id="qh_con6"> 
<li>动漫鼠标</li> 
<li>透明系列</li> 
<li>精美特色</li> 
<li>CursorFx/Xp</li> 
<li>鼠标特效</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav7"> 桌面壁纸 
<ul class="nav-sub" id="qh_con7"> 
<li>3D、创意</li> 
<li>美女明星</li> 
<li>动物植物</li> 
<li>风景、日历</li> 
<li>节日系列</li> 
<li>影视动漫</li> 
<li>游戏卡通</li> 
<li>PSP、手绘</li> 
<li>炫彩抽象</li> 
<li>人文建筑</li> 
</ul> 
</li> 
<li class="nav-master" id="mynav8"> 其它美化 
<ul class="nav-sub" id="qh_con8"> 
<li>启动界面</li> 
<li>登陆界面</li> 
<li>vista边栏</li> 
<li>梦幻桌面</li> 
<li>系统声音</li> 
<li>精选美化包</li> 
<li>相关教程</li> 
<li>美化软件</li> 
</ul> 
</li> 
</ul> 
</div> 
</div> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

自己做一款不错的二级导航菜单_导航菜单