// $('img.photo',this).imagesLoaded(myFunction)
// execute a callback when all images have loaded.
// needed because .load() doesn't work on cached images

// mit license. paul irish. 2010.
// webkit fix from Oren Solomianik. thx!

// callback function is passed the last image to load
//   as an argument, and the collection as `this`

(function (jQuery) {
	$.fn.imagesLoaded = function(callback){
		var elems = this.find('img');
		len   = elems.length;
		
		elems.bind( 'load' , function(){
			callback.call(this,this);
		}).each(function(){
			// cached images don't fire load sometimes, so we reset src.
			if (this.complete || this.complete === undefined){
				var src = this.src;
				//webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f
				//data uri bypasses webkit log warning (thx doug jones)
				this.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
				this.src = src;
			} 
		}); 
		
		return this;
	};
})(jQuery);