<script language="JavaScript">
<!--
  var rad  = 100;
  var xoff = 100;
  var yoff = 120;
  var pi   = Math.PI;
  var inc  = pi/40;
  var pos  = 0;

  function move()
  {
    pos += inc;
    if (pos >= pi ) pos = 0;
    obj.left = xoff;
    obj.top = -(rad * Math.sin(pos)) + yoff;
    setTimeout("move()", 50);
  }
-->
</script>

<div id="obj" style="position:absolute">    </div>

<script language="JavaScript">
<!--
  var NN = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 4);
  var obj = (NN) ? document.obj : document.all.obj.style;
  move();
-->
</script>