function Menue () {
  if (typeof window.pageYOffset == "number") {
    if (NS4) {
      if (window.pageYOffset < 368) {
      getElement("id", "Nav").top = 368;
      } else {
      getElement("id", "Nav").top = window.pageYOffset + 10;
      }
    } else {
      if (window.pageYOffset < 368) {
      getElement("id", "Nav").style.top = 368;
      } else {
      getElement("id", "Nav").style.top = window.pageYOffset + 10;
      }
    }
  } else {
    if (typeof document.body.scrollTop == "number") {
      if (document.body.scrollTop < 368) {
      getElement("id", "Nav").style.top = 368;
      } else {
      getElement("id", "Nav").style.top = document.body.scrollTop + 10;
      }
    }
  }
}

function handleMove (ev) {
  if (!ev)
    ev = window.event;
  Menue();
}