原文地址:http://hi.baidu.com/sonmeika/item/646cf80c5553847ebfe97eef
HTML: 动态设置图片
<script language="javascript">
setInterval("RandomImage();",1000);
function RandomImage()
{
var num = Math.random()*3;
num = Math.round(num);
num = num + 1;
document.image1.src="images/p0" + num + ".jpg";
}
</script>