<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>search_bar</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<style>
body,html {
font-size:12px;
}
.none {display: none;}
.block {display: block;}
.s_c {width:800px;text-align: center;}
.s_c ul{clear:both;margin:0;}
.s_c li{list-style:none;float:left;position: relative;width: 70px;}
.c_0 {padding:0px 10px 0px 10px;line-height:22px}
.c_0 a{color:#666;text-decoration: none;}
.c_1 {padding:4px 0;width: 70px;
background:#0075eb;border:1px solid #054576;border-bottom-width:0;text-decoration: none;}
.c_1 a{color:#FFF;font-weight:bold;text-decoration: none;}
.c_2 {padding:4px 0;width: 70px;background:#a10303;border:1px solid #662626;border-bottom-width:0;}
position: absolute;bottom: -7px;left: 0;}
.c_3 {padding:4px 0;width: 70px;background:#B01FAA;border:1px solid #760473;border-bottom-width:0;}
.white a {color:#FFF;font-weight:bold;text-decoration: none;}
</style>
<script language="javascript">
function aa(s_id){
for(i=1;i<4;i++){
if(i==s_id){
document.getElementById("m"+i).className="c_"+i+" white";
}
else {
document.getElementById("m"+i).className="c_0";
}
}
}
</script>
</head>
<body>
<div class="s_c"><ul>
<li><div id="m1" class="c_1"><a href="###" onClick="aa(’1’)">分类第一</a></div></li>
<li><div id="m2" class="c_0"><a href="###" onClick="aa(’2’)">分类第二</a></div></li>
<li><div id="m3" class="c_0"><a href="###" onClick="aa(’3’)">分类第三</a></div></li>
</ul>
</div>
</body>
</html>
当然这还不够,接下来实现第二步效果.
