<!-- 
            Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
See http://www.w3.org/Consortium/Legal/.
Author: Aaron M. Cohen   
         File Name: layout-subregion1.smil
  Media Components: 1 JPG
 Expected Behavior: Tests subregion positioning layout with topLayout element.
                    Show one topLayout.
                    At 0s show smile image with upper-left at upper-left corner for 2s.
                    At 2s show smile image with upper-left at upper-mid corner for 2s.
                    At 4s show smile image with upper-left at mid-left corner for 2s.
                    At 6s show smile image with upper-left at mid-mid corner for 2s.
-->
<smil xmlns="http://www.w3.org/2001/SMIL20/Language">
    <head>
        <layout>
           <topLayout width="640px" height="480px">
               <region id="whole" top="0px" left="0px" width="640px" height="480px" />
            </topLayout>
        </layout>
    </head>
    <body>
        <seq>
                <img id="img1" region="whole" src="../images/smile.jpg" top="0%" left="0%" dur="2s"/>
                <img id="img2" region="whole" src="../images/smile.jpg" top="0%" left="50%" dur="2s"/>
                <img id="img3" region="whole" src="../images/smile.jpg" top="50%" left="0%" dur="2s"/>
                <img id="img4" region="whole" src="../images/smile.jpg" top="50%" left="50%" dur="2s"/>
        </seq>
    </body>
</smil>