function greet() {
  var todaydate = new Date();
  var timeis = todaydate.getTime();
  todaydate.setTime(timeis);
  var houris = todaydate.getHours();
  if (houris > 17) display = "Evening";
  else if (houris >11) display = "Afternoon";
  else display = "Morning";
  var title = document.title;
  var welcome = ("Good " + display + "!");
  document.write(welcome);
}