
<smil xmlns="http://www.w3.org/2005/SMIL21/Language"
  xmlns:TimeManipulations="http://www.w3.org/2005/SMIL21/TimeManipulations">
  <head>
    <layout>
      <root-layout backgroundColor="#eeffcc" width="640" height="480"/>
      <region id="r" fit="fill"/>
    </layout>
  </head>
  <body>
    <par dur="indefinite">
      <brush region="r" dur="indefinite" color="blue" left="5" width="150"
height="150" >
        <set attributeName="left" to="350" begin="2" dur="2" 
                              repeatDur="2"
TimeManipulations:autoReverse="true"/>
      </brush>
    </par>
  </body>
</smil>