window.addEvent('domready', function() {

	var prev = $('previousRecentlyViewed');
	var next = $('nextRecentlyViewed');


	if(prev) {
		prev.addEvent('click', function(ev){
			$$('.rec_viewed ul li').each(function(el) {
				if(el.hasClass('active')) {
					el.removeClass('active');
					el.addClass('inactive');
					el.setStyle('display','none');
				} else {
					el.removeClass('inactive');
					el.addClass('active');
					el.setStyle('display','');
				}
			});
			ev.stop();
		});
	}
	
	if(next) {
		next.addEvent('click', function(ev){
			$$('.rec_viewed ul li').each(function(el) {
				if(el.hasClass('active')) {
					el.removeClass('active');
					el.addClass('inactive');
					el.setStyle('display','none');
				} else {
					el.removeClass('inactive');
					el.addClass('active');
					el.setStyle('display','');
				}
			});
			ev.stop();
		});
	}
});