话不多说，贴上代码
html代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link rel="stylesheet" type="text/css" href="../extjs3/resources/css/ext-all.css" rel="external nofollow" />
<script type="text/javascript" src="../extjs3/adapter/e
