    <!--
                 Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Muriel Jourdan (Muriel.Jourdan@inrialpes.fr)
                Version: Apr. 3, 2000, v1
                 Module: SMIL Timing & Sync Module
                Feature: begin attribute and Negative Delay
              File Name: Negative_Delay6.smil
       Media Components: 1MPG, 1JPG
      Expected Behavior: at t=5s foo is shown for 6s
                         if the foo is cliked between [5s,11s]
                         then play the video until its end,
                         otherwise the document ends at t=11s.
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
      <body>
        <par begin="5s"id="p1">
          <par begin="p1.begin - 7s">
           <video id="video" src="../videos/nist.rm" begin="foo.activeEvent" />
           <img id="foo" src="../images/smile.jpg" dur="13s" />
           </par>
        </par>
      </body>
    </smil>