// $('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`

$.fn.imagesLoaded = function(callback){

        
  var elems = this.filter('img'),
      len = elems.length;

  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;
};