region-relative.smil.html

<smil>
 <head>
  <layout>
   <root-layout width="300" height="200" background-color="white" />
   <region id="vim_icon" left="50%" top="40%" width="32" height="32" />
  </layout>
 </head>
 <body>
  <img src="vim32x32.gif" alt="The vim icon" region="vim_icon" />
 </body>
</smil>