/*!
 * jQuery-Img-Preload - 16th Out 2015
 * https://github.com/miamarti/jquery-img-preload
 *
 * Licensed under the MIT license.
 * http://opensource.org/licenses/MIT
 */
$.imgPreload=function(a,c){if(a){$(a.loading).fadeIn("slow");var b=$("<div/>");$("body").append(b);for(var d in a.list)$(b).append($("<img/>").attr("src",a.list[d][a.attr]));c&&setTimeout(function(){$(b).remove();$(a.loading).fadeOut("slow");c()},2E3);return{clear:function(){$(b).remove()}}}};

/*!
 * jQuery-Img-Preload - 16th Out 2015
 * https://github.com/miamarti/jquery-img-preload
 *
 * Licensed under the MIT license.
 * http://opensource.org/licenses/MIT
 */
(function($) {$.imgPreload=function(a,c){if(a){$(a.loading).fadeIn("slow");var b=$("<div/>");$("body").append(b);for(var d in a.list)$(b).append($("<img/>").attr("src",a.list[d][a.attr]));c&&setTimeout(function(){$(b).remove();$(a.loading).fadeOut("slow");c()},2E3);return{clear:function(){$(b).remove()}}}};}(jQuery));

Update img-preload.min.js