window
		.addEvent(
				'domready',
				function() {
					var gcSlide = new Fx.Slide('gcalendar_list');

					$('toggle_gc')
							.addEvent(
									'click',
									function(e) {
										e = new Event(e);
										gcSlide.toggle();

										var gcalImage = 'components\/com_gcalendar\/views\/gcalendar\/tmpl\/up.png';
										if (gcSlide.open) {
											var gcalImage = 'components\/com_gcalendar\/views\/gcalendar\/tmpl\/down.png';
										}
										window.document
												.getElementById('toggle_gc_status').src = gcalImage;
										e.stop();
									});
					gcSlide.hide();
				});

function updateGCalendarFrame(calendar) {
	var orig_url = window.document.getElementById('gcalendar_frame').src;
	var new_url = "";
	if (calendar.checked) {
		new_url = orig_url + calendar.value;
	} else {
		new_url = orig_url.replace(calendar.value, "");
	}
	window.document.getElementById('gcalendar_frame').src = new_url;
}