<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/08/20/creating-custom-dialog-boxes-using-the-popupmanager-and-titlewindow-classes/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
        layout="vertical" 
        verticalAlign="middle" 
        backgroundColor="white" viewSourceURL="srcview/index.html">

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

            private var titleWindow:TitleWindow;

            private function popUp():void {
                titleWindow = PopUpManager.createPopUp(this, CustomTitleWindow, true) as TitleWindow;
                PopUpManager.centerPopUp(titleWindow);
            }
        ]]>
    </mx:Script>

    <mx:Button label="Launch TitleWindow" click="popUp()" />

</mx:Application>