// IE im Quirks-Mode oder Standard??
var body_el = (typeof document.compatMode != "undefined"
               && document.compatMode != "BackCompat") ? "documentElement" : "body";

var sxPos = 0;
var syPos = 0;

// Scrolling initialisieren
// inkl. Sonderbehandlung für NS 4
function init_scroll()
{
  if(document.layers) document.captureEvents(Event.SCROLL);
  document.onscroll = scrolling;
}

function scrolling(e)
{
  // Scrollbar-Position dazuzählen für IE
  sxPos = document[body_el].scrollLeft;
  syPos = document[body_el].scrollTop;

  if(document.layers)
  {
    document.getElementById('submenu').top = syPos;
    document.getElementById('submenu').left = sxPos;
  } else
  {
    document.getElementById('submenu').style.top = syPos;
    document.getElementById('submenu').style.left = sxPos;
 }

  // event weitergeben für NS 4
  if (document.layers) routeEvent(e);
}