$(function () {

	//TABS WERKEND MAKEN
	$('a#ShowBirthdays, a#ShowCalendar').click(function () {
		var target = $('#BirthdayHolder');
		var target2 = $('#CalendarHolder')
		if (target.is(':visible')) {
			target.hide();
		} else {
			target.show();
		}
		if (target2.is(':visible')) {
			target2.hide();
		} else {
			target2.show();
		}
	});	
});