Projects - Flex Builder - Layout Automatic application

.mxml code:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml"
horizontalAlign="centre" verticalAlign="middle"
width="380" height="150"
>
<mx:Panel
title="My Application"
paddingTop="10" paddingBottom="10"
paddingLeft="10" paddingRight="10"
layout="horizontal" verticalAlign="middle"
>

<mx:Label id="myLabel" width="180" fontWeight="bold" fontSize="24"/>
<mx:Button
id="myButton" label="Click Me!"
click="myLabel.text = 'Hello World!';"
/>

</mx:Panel>

</mx:Application>

html code:
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
id="layoutAutomatic" width="380" height="150"
codebase="http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab">
<param name="movie" value="layoutAutomatic.swf" />
<param name="quality" value="high" />
<param name="bgcolor" value="#869ca7" />
<param name="allowScriptAccess" value="sameDomain" /><embed src="layoutAutomatic.swf" quality="high" bgcolor="#869ca7"
width="380" height="150" name="layoutAutomatic" align="middle"
play="true"
loop="false"
quality="high"
allowScriptAccess="sameDomain"
type="application/x-shockwave-flash"
pluginspage="http://www.adobe.com/go/getflashplayer">
</embed> </object>