window.addEvent('domready', function() {
	$$('.gallery-thumbnails a').each(function(thumbnailLink) {
		thumbnailLink.addEvent('click', function(e) {
			e.stop();
			this.getParent('div').getElement('img.gallery-viewer').set({
				src : this.href,
				alt : this.getElement('img').get('alt'),
				title : this.getElement('img').get('title')
			});
		});
	});
});