// $('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( $ ){

	$.fn.imagesLoaded = function(callback){
	  var elems = this.filter('img'),
		  len   = elems.length;
	  
	  if (len < 1) {
		  callback.call();
		  return this; // return early
		  }

		  
	  elems.bind('load',function(){
		  if (--len <= 0){ callback.call(elems,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);