    <!--
               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: FEB, 20001 , v2
               Module: SMIL Timing & Sync Module
              Feature: begin attribute
            File Name: Beginsyncbase.smil
     Media Components: 2 JPG
    Expected Behavior: nothing is shown.
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
      <body>
        <par>
          <img src="../images/frown.jpg" id="image1" begin ="5s" end="3s"/>
          <img src="../images/smile.jpg" id="image2" begin ="image1.begin" dur ="4s"/>
        </par>
      </body>
    </smil>