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/*
 Check if all images are loaded
 - Callback occurs when all images are loaded
 - image load errors are ignored (complete will be true)
 - Use:
   $('.wrap img').imagesLoaded(function(){
     alert('all images loaded');
   });
*/

jQuery.fn.extend({
  imagesLoaded: function( callback ) {
    var i, c = true, t = this, l = t.length;
    for ( i = 0; i < l; i++ ) {
      if (this[i].tagName === "IMG") {
        c = (c && this[i].complete && this[i].height !== 0);
      }
    }
    if (c) {
      if (typeof callback === "function") { callback(); }
    } else {
      setTimeout(function(){
        jQuery(t).imagesLoaded( callback );
      }, 200);
    }
  }
});