    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Geoff Freed, WGBH/NCAM
               Version: March 13, 2001, v2
                Module: Content Control Module
               Feature: systemCaptions test attribute
             File Name: systemCaptions.smil
      Media Components: 2 JPG, 2 WAV
     Expected Behavior: show image, play audio,
                        display closed captions if user elects to see them
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
        <body>
             <par systemCaptions="on">
              <img src="../images/captions_on.jpg"/>
              <audio src="../sounds/captions_on.wav"/>
             </par>
             <par systemCaptions="off">
              <img src="../images/captions_off.jpg"/>
              <audio src="../sounds/captions_off.wav"/>
             </par>
        </body>
    </smil>