DIV+CSS实现选项卡tab效果

　　CSS代码：

<style type="text/css">
<!--
body,div,ul,li{
padding:0;
text-align:center;
}
body{
font:12px "宋体";
text-align:center;
}
a:link{
color:#00F;
text-decoration:none;
}
a:visited {
color: #00F;
text-decoration:none;
}
a:hover {
color: #c00;
text-decoration:underline;
}
ul{ list-style:none;}

#Tab1{
width:460px;
margin:0px;
padding:0px;
margin:0 auto;}

.Menubox {
width:100%;
background:url(3.gif);
height:28px;
line-height:28px;
}
.Menubox ul{
margin:0px;
padding:0px;
}
.Menubox li{
float:left;
display:block;
cursor:pointer;
width:114px;
text-align:center;
color:#949694;
font-weight:bold;
}
.Menubox li.hover{
padding:0px;
background:#fff;
width:116px;
border-left:1px solid #A8C29F;
border-top:1px solid #A8C29F;
border-right:1px solid #A8C29F;
background:url(20080115123242961.gif);
color:#739242;
font-weight:bold;
height:27px;
line-height:27px;
}
.Contentbox{
clear:both;
margin-top:0px;
border:1px solid #A8C29F;
border-top:none;
height:181px;
text-align:center;
padding-top:8px;
}
-->
</style>

JS代码：
<script>
<!--

function setTab(name,cursel,n){
for(i=1;i<=n;i++){
var menu=document.getElementById(name+i);
var con=document.getElementById("con_"+name+"_"+i);
menu.className=i==cursel?"hover":"";
con.style.display=i==cursel?"block":"none";}}
//-->
</script>

HTML代码：

<div id="Tab1">
<div class="Menubox">
<ul>
<li id="one1" onclick="setTab('one',1,4)" class="hover">新闻1</li>
<li id="one2" onclick="setTab('one',2,4)" >新闻2</li>
<li id="one3" onclick="setTab('one',3,4)">新闻3</li>
<li id="one4" onclick="setTab('one',4,4)">新闻4</li>
</ul>
</div>
<div class="Contentbox">
<div id="con_one_1" class="hover"><h3>www.xinqinsheji.com</h3></div>
<div id="con_one_2" style="display:none"><h3>www.xinqinsheji.com</h3></div>
<div id="con_one_3" style="display:none"><h3>www.xinqinsheji.com</h3></div>
<div id="con_one_4" style="display:none"><h3>www.xinqinsheji.com</h3></div>
</div>
</div>