$(document).ready(function(){
	$('img.add_images').click(
		function(){
			var img = $(this);
			var container = $('img#image_container');
			container.fadeOut("slow", function(){
				container.attr('src', 'http://bkt/dev/pics/i/big/'+img.attr('name'));
			});
			container.fadeIn("slow");
		}
	);
});