function showMonth (month){
	var elements = $('calendar_dates').getElementsByClassName('event-calendar-month');
	for (i = 0; i < elements.length; i++) {
		elements[i].hide();
	}
	$("event_calendar_month_" + month).show();
	linkTrack('calendar/selectMonthIndex' + month);
}
function showDate (date){
	var elements = $('event_dates').getElementsByClassName('event-date-time');
	for (i = 0; i < elements.length; i++) {
		elements[i].hide();
	}
	$("event_date_time_" + date).show();
	linkTrack('calendar/selectDate' + date);
}
function selectedDay (thisTd){
	var elements = $('calendar_dates').getElementsByClassName('calendar-day');
	for (i = 0; i < elements.length; i++) {
		elements[i].removeClassName('selected-day');
	}
	Element.addClassName(thisTd, 'selected-day');
}
function showAll (className){
	var elements = $('event_dates').getElementsByClassName(className);
	for (i = 0; i < elements.length; i++) {
		elements[i].show();
	}
	linkTrack('calendar/selectAll');
}