改变div的不同属性
<!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>
#div1{width:200px;height:200px;background:red;}
</style>
<script>
function setStyle(name,value)
{
var oDiv=document.getElementById("div1");
oDiv.style[name]=value;
}
</script>
</head>
<body>
<input type="button" value="变宽" onclick="setStyle('width','400px')"/>
<input type="button" value="变高" onclick="setStyle('height','400px')"/>
<input type="button" value="变绿" onclick="setStyle('background','green')"/>
<div id="div1"></div>
</body>
</html>
学会忘记是生活的技术,学会微笑是生活的艺术