function EventAllDayYes() {
  if ($('input[@name=end_ampm]').size()) {
    $("#edit-end-hour").val(11);
    $("#edit-end-minute").val(59);
    $("#edit-start-hour").val(12);
    $("#edit-start-minute").val(0);
    $('input[@name=start_ampm][@value=am]').attr('checked', 'checked');
    $('input[@name=end_ampm][@value=pm]').attr('checked', 'checked');
  } else {  
    $("#edit-end-hour").val(23);
    $("#edit-end-minute").val(59);
    $("#edit-start-hour").val(0);
    $("#edit-start-minute").val(0);
  }
  $("div.time").attr("style", "display: none;");
}