<script type="text/javascript">
  function handle(delta) {
      var s = delta + ": ";
      if (delta < 0)
      self.scrollTo(window.pageXOffset + 100, window.pageYOffset);
      else
      self.scrollTo(window.pageXOffset - 100, window.pageYOffset);
  }
  
  function wheel(event){
      var delta = 0;
      if (!event) event = window.event;
      if (event.wheelDelta) {
          delta = event.wheelDelta/120; 
          if (window.opera) delta = -delta;
      } else if (event.detail) {
          delta = -event.detail/3;
      }
      if (delta)
          handle(delta);
          if (event.preventDefault)
                  event.preventDefault();
          event.returnValue = false;
  }
  
  /* Initialization code. */
  if (window.addEventListener)
      window.addEventListener('DOMMouseScroll', wheel, false);
  window.onmousewheel = document.onmousewheel = wheel;
  
  </script>

    var x,y;
    if (self.pageYOffset) // all except Explorer
    {
        x = self.pageXOffset;
        y = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop)
        // Explorer 6 Strict
    {
        x = document.documentElement.scrollLeft;
        y = document.documentElement.scrollTop;
    }
    else if (document.body) // all other Explorers
    {
        x = document.body.scrollLeft;
        y = document.body.scrollTop;
    }