extjs 之显示一个窗口

<link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" />
<script type="text/javascript" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/adapter/ext/ext-base.js"></script>
<script type="text/javascript" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/ext-all.js"></script>
<script type="text/javascript" src="../examples.js"></script>
<script language="javascript">

Ext.onReady(function()
{
var win=new Ext.Window({title:"hello",width:300,height:200,html:'<h1>Hello,easyjf open source</h1>'});
win.show();
});

</script>

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大家共同学习!!