Add past-event and allday-event classes to FullCalendar2 events

gistfile1.js

$(document).ready(function() {
	$('#calendar').fullCalendar({
		header: {
			left: 'prev,next today',
			center: 'title',
			right: 'month,basicWeek,basicDay'
		},
		events: 'YOUR-GOOGLE-XML-FEED-URL',
		eventClick: function(event) {
			window.open(event.url, 'gcalevent', 'width=900,height=600');
			return false;
		},
		eventRender: function(event, element, view) {					
			var ntoday = new Date().getTime();
			var eventEnd = moment( event.end ).valueOf();
			var eventStart = moment( event.start ).valueOf();
			if (!event.end){
				if (eventStart < ntoday){
					element.addClass("past-event");
					element.children().addClass("past-event");
				}
			} else {
				if (eventEnd < ntoday){
					element.addClass("past-event");
					element.children().addClass("past-event");
				}
			}
			if ( event.allDay === true ) {
				element.addClass("allday-event");
				element.children().addClass("allday-event");
			}
		}
	});
});