Extjs panel resizer- after resize

In response to stack overflow question "Extjs panel resizer- after resize"

HTML

<link rel="stylesheet" href="http://examples.extjs.eu/ext3/resources/css/ext-all.css">
<script src="http://examples.extjs.eu/ext3/adapter/ext/ext-base.js"></script>
<script src="http://examples.extjs.eu/ext3/ext-all.js"></script>
<div>test, test</div>

JavaScript

Ext.onReady(function() {
    new Ext.Panel({
        title: 'Resize me',
        x: 100,
        y: 100,
                                    resizable: false,
        renderTo: Ext.getBody(),
        floating: true,
 
        width: 400,
        height: 200,
        border: true,
        listeners: {
            render: function(p) {
            }
        }
    });
});