YPPhotoGallery = 
{
	init : function()
	{	
		$$('.photo').each(
			function(o)
			{
				Event.observe(o, 'click', function(e){ 
					var el = Event.element(e);
					
					if (el.tagName == 'DIV')
					{
						myLightbox.start(el.down('a'));
					}
				});
			
				var img = o.down('img');
				
				if (img.height > img.width)
				{
					img.height = 100;
				}
				
				var marginTop = (0 - (img.height / 2)) + 'px';
				
				img.setStyle(
				{
					top : '50%',
					position : 'relative'
				});
				
				img.style.marginTop = marginTop;
			}
		);			
	}
}

Event.observe(window, 'load', YPPhotoGallery.init);