<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
*{margin:0 auto;}
.aa{
width:102px;
height:48px;
margin-top:20px;
font-size:14px;
line-height:48px;
text-align: center;
border:1px solid #0F6;
position: relative;
}
.aa ul {
position: absolute;
width:102px;
margin:10px;
}
</style>
<script sype="text/javascript">
<!--var li=document.getElementsByName("li");-->
function down(){
document.getElementById("pull_1").style.display = "none";
document.getElementById("pull_2").style.display = "none";
document.getElementById("pull_3").style.display = "none";
}
function pull(appearList){
down();
}
function aa()
{
/*alert('aa');*/
document.getElementById("pull_1").style.display = "block";
document.getElementById("pull_2").style.display = "block";
document.getElementById("pull_3").style.display = "block";
}
function pull(appearList){
/* alery('aa');*/
aa();
}
</script>
</head>
<body>
<div onmouseover="aa()" onmouseout="down()" class="aa">首页
<ul >
<li id="pull_1" style="display:none" >sdjkhcld</li>
<li id="pull_2" style="display:none">dcnld c</li>
<li id="pull_3" style="display:none" >dshc;lsc</li>
</ul>
</div>
</body>
</html>
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