<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/08/04/displaying-a-video-in-a-pop-up-window-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Script>
        <![CDATA[
            import mx.managers.PopUpManager;

            private function button_click(evt:MouseEvent):void {
                var popUpVideoDisplay:PopUpVideoDisplay;
                popUpVideoDisplay = new PopUpVideoDisplay();
                popUpVideoDisplay.source = "http://www.helpexamples.com/flash/video/water.flv";
                PopUpManager.addPopUp(popUpVideoDisplay, this, true);
            }
        ]]>
    </mx:Script>

    <mx:Button id="button"
            label="Launch video"
            click="button_click(event);" />

</mx:Application>