function openInNewTab(link) {
  window.open(link.href);
  return false;
}

function activateMenuEx() {
  var menuEx = new SlidingMenu('menuEx', 'left', 30, 'menu/fonduG.png', 'menu/fonduD.png');
  document.getElementById('menuEx_button').onclick = null;
}

function scrollDown() {
  window.scrollBy(0,50);
  return false;
}