<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/03/10/checking-to-see-if-the-externalinterface-api-is-available-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="middle"
		backgroundColor="white"
		creationComplete="init();" viewSourceURL="srcview/index.html">

	<mx:Script>
		<![CDATA[
			import mx.controls.Alert;

			private function init():void {
				if (ExternalInterface.available) {
					ExternalInterface.call("alert",
							"ExternalInterface is available");
				} else {
					Alert.show("ExternalInterface is not available");
				}
			}
		]]>
	</mx:Script>

	<mx:ApplicationControlBar dock="true">
		<mx:Button id="button"
				label="ExternalInterface.available"
				click="init();" />
	</mx:ApplicationControlBar>

</mx:Application>