window.addEvent('load', function () {
			slidingtabs = new SlidingTabs('buttons', 'window');
			
			// this sets up the previous/next buttons, if you want them
			$('previous').addEvent('click', slidingtabs.previous.bind(slidingtabs));
			$('next').addEvent('click', slidingtabs.next.bind(slidingtabs));
		});