代码如下：
<html><head>
<style type="text/css">
*
{
padding-bottom: 0px
margin: 0px
padding-left: 0px
padding-right: 0px
font-size: 12px
padding-top: 0px
}
BODY
{
padding-left: 20px
padding-top: 20px
}
.wid240
{
width: 242px
margin-bottom: 20px
}
.wid180
{
width: 182px
}
.tab
{
border-bottom: #000 1px solid
border-left: #000 1px solid
border-top: #000 1px solid
border-right: #000 1px solid
}
.tab UL
{
zoom: 1
clear: both
}
.tab UL:after
{
display: block
height: 0px
visibility: hidden
clear: both
content: ""
}
.tab UL LI
{
text-align: center
line-height: 26px
width: 60px
display: inline
background: #000
float: left
height: 26px
color: #fff
}
.tab UL LI.on
{
background: #fff
color: #000
}
.tabList
{
border-bottom: #000 1px solid
border-left: #000 1px solid
height: 150px
border-top: #000 1px
border-right: #000 1px solid
}
.tabList .one
{
padding-bottom: 10px
padding-left: 10px
padding-right: 10px
display: none
color: #ff0000
padding-top: 10px
}
.tabList .block
{
display: block
}
</style>
<script type="text/javascript">
function setTab(name,m,n){
for( var i=1i<=ni++){
var menu = document.getElementById(name+i)
var showDiv = document.getElementById("cont_"+name+"_"+i)
menu.className = i==m ?"on":""
showDiv.style.display = i==m?"block":"none"
}
}
</script>
<meta name="GENERATOR" content="MSHTML 8.00.7600.16535">
</head>
<body>
<div class="wid240">
<div class="tab">
<ul>
<li id="one1" class="on" onmouseover='setTab("one",1,4)'>one1 </li>
<li id="one2" onmouseover='setTab("one",2,4)'>one2 </li>
<li id="one3" onmouseover='setTab("one",3,4)'>one3 </li>
<li id="one4" onmouseover='setTab("one",4,4)'>one4 </li>
</ul>
</div>
<div class="tabList">
<div id="cont_one_1" class="one block">
cont_one_1</div>
<div id="cont_one_2" class="one">
cont_one_2</div>
<div id="cont_one_3" class="one">
cont_one_3</div>
<div id="cont_one_4" class="one">
cont_one_4</div>
</div>
</div>
<div class="wid180">
<div class="tab">
<ul>
<li id="tow1" class="on" onclick='setTab("tow",1,3)'>tow1 </li>
<li id="tow2" onclick='setTab("tow",2,3)'>tow2 </li>
<li id="tow3" onclick='setTab("tow",3,3)'>tow3 </li>
</ul>
</div>
<div class="tabList">
<div id="cont_tow_1" class="one block">
cont_tow_1</div>
<div id="cont_tow_2" class="one">
cont_tow_2</div>
<div id="cont_tow_3" class="one">
cont_tow_3</div>
</div>
</div>
</body>
</html>
直接复制到本地html页面运行就可以，望采纳，谢谢！
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Tab效果</title>
<style type="text/css">
ul{
list-style: none
}
*{
margin: 0
padding: 0
}
#tab{
border: 1px solid #ccc
margin: 20px auto
width: 403px
border-top: none
}
.list ul{
overflow: hidden
}
.list li{
float: left
}
.list li{
padding-left: 28px
padding-right: 28px
padding-top: 6px
padding-bottom: 6px
border: 1px solid #ccc
background: -moz-linear-gradient(top, #FEFEFE, #EDEDED)
background:-webkit-gradient(linear,left top,left bottom, from(#fefefe), to(#ededed))
border-right: none
cursor: pointer
}
#listCon{
height: 100px
}
#listCon div{
padding:10px
position:absolute
opacity:0
filter:alpha(opacity=0)
}
.list li:first-child{
border-left: none
}
.list li:hover{
background: #fff
border-bottom: none
}
.list li.cur{
background: #fff
border-bottom: none
}
#listCon div.cur{
opacity:1
filter:alpha(opacity=100)
}
</style>
</head>
<body>
<div id="tab">
<div>
<ul>
<li>许嵩</li>
<li>周杰伦</li>
<li>林俊杰</li>
<li>陈奕迅</li>
</ul>
</div>
<div id="listCon">
<div>断桥残雪、千百度、幻听、想象之中</div>
<div>红尘客栈、牛仔很忙、给我一首歌的时间、听妈妈的话</div>
<div>被风吹过的夏天、江南、一千年以后</div>
<div>十年、K歌之王、浮夸</div>
</div>
</div>
<script type="text/javascript">
window.onload = function(){
var oDiv = document.getElementById("tab")
var lis = oDiv.getElementsByTagName("li")
var oDivCon = document.getElementById("listCon")
var lisDiv = oDivCon.getElementsByTagName("div")
for(var i=0i<lis.lengthi++){
lis[i].index = i
lis[i].onmouseover = function(){
show(this.index)
}
}
function show(a){
for(var j=0j<lis.lengthj++){
lis[j].className = ""
lisDiv[j].className = ""
}
lis[a].className = "cur"
lisDiv[a].className = "cur"
}
}
</script>
</body>
</html>
