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: Oct 16th, 2000, v1
            Module: SMIL Timing & Sync Module
           Feature: begin=id.begin id not a sibling
         File Name: begin_long_sync2.smil
  Media Components: 2 JPG, 1MPG (5.4s) 1WAV (10s)
 Expected Behavior: at t=0s the audio starts and the smile picture is displayed.
                    At t=3s the smile picture disappeared 
                      and both the frown picture is shown 
                      and the video starts to play from its middle point. 
<smil xmlns="http://www.w3.org/2001/SMIL20/Language">
         <img src="../images/smile.jpg" dur ="3s" id="smile" />
            <img src="../images/frown.jpg" id="frown" dur="5s" />
            <video src="../videos/nist.rm" begin="sound.begin" id="vid" />
    <audio src="../sounds/geminidecho.wav" id="sound"  />