<!--
            Copyright: Copyright 1998-2005  W3C (MIT, ERCIM, Keio), All Rights Reserved.
See http://www.w3.org/Consortium/Legal/.
Author: Warner ten Kate (warner.ten.kate@philips.com), modified by Erik Hodge, RealNetworks
           Version: Mar 26, 2001, v2
            Module: SMIL Structure Module
           Feature: profiling: systemRequired on <smil> element
         File Name: Basic_systemRequired.smil
  Media Components: 3 JPG
 Expected Behavior: If the BrushMedia module is supported, show sequence of colored boxes (using <brush>)
                    If BrushMedia module is not supported, do not show the document.
-->
<smil xmlns="http://www.w3.org/2005/SMIL21/Language"
      xmlns:HostLanguage="http://www.w3.org/2005/SMIL21/HostLanguage"
      xmlns:BrushMedia="http://www.w3.org/2005/SMIL21/BrushMedia"
      systemRequired="HostLanguage+BrushMedia" >
   <head>
      <layout>
         <region id="colorbox" top="0px" left="0px" height="240px" width="320px" />
      </layout>
   </head>
   <body>
      <switch>
         <seq systemRequired="BrushMedia">
            <brush dur="5s" color="#0000FF" region="colorbox"/>
            <brush dur="5s" color="#00FF00" region="colorbox"/>
            <brush dur="5s" color="#FF0000" region="colorbox"/>
         </seq>
         <seq>
            <img dur="5s" src="../images/frown.jpg"  region="colorbox"/>
            <img dur="5s" src="../images/smile.jpg" region="colorbox"/>
         </seq>
      </switch>
   </body>
</smil>