js鼠标移上div框变色变大变小
<!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=gb2312" />
<title>无标题文档</title>
<style type="text/css">
#div1{ width:150px; height:150px; background-color:#000066; }
</style>
<script type="text/javascript">
function toanco()
{
//document.getElementById('div1').style.width='300px';
var cao=document.getElementById('div1');
cao.style.width='300px';
cao.style.height='300px';
cao.style.background='#CC3366';
}
function tococo()
{
//document.getElementById('div1').style.width='150px';
var cao=document.getElementById('div1');
cao.style.width='150px';
cao.style.height='150px';
cao.style.background='#000066';
}
</script>
</head>
<body>
<div id="div1" onmouseover="toanco()" onmouseout="tococo()"></div>
</body>
</html>