<html>
  <body onload="document.getElementById('test').innerHTML='<br><br><br><br><br><br><br><br><br>'">
    <table style="height:400px; background:yellow;">
      <tr><td id="test">
      <tr height=100%><td><div style="height:100%; width:100px; background:blue;"></div>
    </table>
  </body>
</html>