<smil>
<head>
    <layout>
	<region id="r1" top="0" left="0" height="75" width="250"/>
	<region id="r2" top="75" left="0" height="98" width="250"/>
    </layout>
  </head>

  <body>
         <par system-bitrate="28800">
           <img src="http://smil.nist.gov/interop1/choose.jpg"
		  begin="2s" region="r1"/>
	   <img src="http://smil.nist.gov/interop1/getout.jpg"
		  begin="4s" region="r2"/>
         </par>
  </body>
</smil>