function mout(element) {
  window.status = " ";
  element.style.backgroundImage = 'url("/menu/menu.png")';
}

function moin(element) {
  window.status = element.firstChild.href;
  element.style.backgroundImage = 'url("/menu/menu_hover.png")';
}

function go_to(target) {
  document.location = target.firstChild.href;
}