    <!--
                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. 2, 2000, v1
                Module: SMIL Timing & Sync Module
               Feature: begin attribute
             File Name: BeginEndEvents_case1.smil
      Media Components: 2 JPG
     Expected Behavior: only the second picture is shown during 4s
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
       <body>
         <par>
            <img src="../images/frown.jpg" id="image1" begin = "3s" end= "3s" />
            <img src="../images/smile.jpg" id="image2" begin ="image1.beginEvent"
                 dur ="4s" />
         </par>
       </body>
    </smil>