$(function() {
	var photos = $('#photo img');
	var total = photos.size();
	var index = 0;

	var anim = function() {
		var prev = index++;
		index = index % total;
		var next = index;
		photos.eq(prev).fadeOut('slow');
		photos.eq(next).fadeIn('slow');
	};

	setInterval(anim, 5000);

});