 <script>
  var fs = 1;
  var direction = "right";

  function rollertext(whichone)
  {
    var thetext = whichone;
    for (i = 0; i < thetext.length; i++)
    {
      document.write(thetext.charAt(i).fontsize(fs));

      if (fs < 7 && direction == "right") fs++;
      else if (fs == 7)
      {
        direction = "left";
        fs--;
      }
      else if (fs == 1)
      {
        direction = "right";
        fs++;
      }
      else if (fs > 1 && direction == "left") fs--;
    }
  }
  rollertext("  ");
</script>
