<smil xmlns="http://www.w3.org/2005/SMIL21/Language">
  <head>
    <layout>
      <root-layout backgroundColor="white" width="578" height="206"/>
      <region id="r" fit="fill"/>
    </layout>
  </head>
  <body>
    <par dur="indefinite">
      <img region="r" id="inst" top="0" left="0" src="../images/animateMotion_addsum_paced_ft.gif" fit="hidden" dur="20s"/>
      <img region="r" src="../images/smile.jpg" id="T1" width="100" height="100" top="45" left="45" dur="20s"/>
      <animateMotion id="anim" begin="0s" dur="4s" calcMode="paced" targetElement="T1" from="120,45" to="420,45" origin="parent" fill="remove" additive="sum"/>
    </par>
  </body>
</smil>