HTML code:
<!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>
</head>
<body>
<img alt="abc" src="lpw.gif">
<a href="#" onclick="next();" return false;>sads</a>
<script type="text/javascript">
var img = document.getElementsByTagName("img");
var urlArray = new Array("http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-12054-lp.jpg",
"http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-29239-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-31223-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-49532-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-54Y4-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-64207-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-I1W-lp.jpg", "http://127.0.0.1/xueyuan/uploads/allimg/2009-12/14222633-1-W229-lp.jpg", "http://127.0.0.1/xueyu
