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

	if ( $('photogallery') ) {
		
		$$('#photogallery li').each(function(el,i){
			el.addEvents({
				'mouseenter' : function(e) {
					el.addClass('hover');
				},
				'mouseleave' : function(e) {
					el.removeClass('hover');
				}
			});
		});
		
	}

});