<!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" c />
<title>无标题文档</title>
<style type="text/css">
<!--
#test1{
width:50%;
margin:0px auto;
padding:5px;
}
.border1{
background:#ADE9AE ;
border:dotted 1px #ff0000;
}
.border2{
background:#ffffff;
border:solid 1px #00ff00;
}
-->
</style>
<script type="text/javascript">
function changeColor(){
var test;
test=document.getElementById("test1");
test.onmouseover=function(){
test.className='border1';
}
test.onmouseout=function(){
test.className='border2';
}
}
window.onload=changeColor;
</script>
</head>
<body>
<div id="test1" class="border2">
getElementById(参数)---根据页面项目的id，取得该对象，对象是唯一的。getElementsByName(参数)---根据页面项目的名字，取得对象集合。
</div>
</body>
</html>