if (document.getElementById("calendars").getElementsByTagName("table").length === 1) {
	ResetCalendarEvent();
	for (var i = 0; i < document.getElementById("calendars").getElementsByTagName("table").length; i++) {
		if (document.getElementById("calendars").getElementsByTagName("table")[i].firstChild.childNodes.length === 2) {
			document.getElementById("calendars").getElementsByTagName("table")[i].firstChild.removeChild(document.getElementById("calendars").getElementsByTagName("table")[i].firstChild.firstChild);
		}
	}
}