message: prevent up/down arrows from scrolling page
diff: return;
  }
  if (ev.which === 40) { // Down arrow
  + ev.preventDefault();
  if (active === null) {
  active = document.getElementsByClassName("recent-releases-container")[0].getElementsByTagName("li")[0];
  } else if (active.nextElementSibling) {
  }
  active.classList.add("selected");
  } else if (ev.which === 38) { // Up arrow
  + ev.preventDefault();
  if (active === null) {
  active = document.getElementsByClassName("recent-releases-container")[0].getElementsByTagName("li")[0];
  } else if (active.previousElementSibling) {
  