// JavaScript Document
            var image_set = [
                {'caption': 'first image', 'url': 'http://wildmercury.com/natureways2008/gallery/images/1.jpg'},
                {'caption': 'second image', 'url': 'http://wildmercury.com/natureways2008/gallery/images/2.jpg'},
                {'caption': 'third image', 'url': 'http://wildmercury.com/natureways2008/gallery/images/3.jpg'},
                {'caption': 'fourth image', 'url': 'http://wildmercury.com/natureways2008/gallery/images/4.jpg'}
				];