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/*
* QueryLoader v2 - A simple script to create a preloader for images
*
* For instructions read the original post:
* http://www.gayadesign.com/diy/queryloader2-preload-your-images-with-ease/
*
* Copyright (c) 2011 - Gaya Kessler
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* Version: 2.9.0
* Last update: 2014-01-31
*/
!function(a){function b(a){this.parent=a,this.container,this.loadbar,this.percentageContainer}function c(a){this.toPreload=[],this.parent=a,this.container}function d(a){this.element,this.parent=a}function e(d,e){this.element=d,this.$element=a(d),this.options=e,this.foundUrls=[],this.destroyed=!1,this.imageCounter=0,this.imageDone=0,this.alreadyLoaded=!1,this.preloadContainer=new c(this),this.overlayLoader=new b(this),this.defaultOptions={onComplete:function(){},onLoadComplete:function(){},backgroundColor:"#000",barColor:"#fff",overlayId:"qLoverlay",barHeight:1,percentage:!1,deepSearch:!0,completeAnimation:"fade",minimumTime:500},this.init()}!function(a){"use strict";function b(b){var c=a.event;return c.target=c.target||c.srcElement||b,c}var c=document.documentElement,d=function(){};c.addEventListener?d=function(a,b,c){a.addEventListener(b,c,!1)}:c.attachEvent&&(d=function(a,c,d){a[c+d]=d.handleEvent?function(){var c=b(a);d.handleEvent.call(d,c)}:function(){var c=b(a);d.call(a,c)},a.attachEvent("on"+c,a[c+d])});var e=function(){};c.removeEventListener?e=function(a,b,c){a.removeEventListener(b,c,!1)}:c.detachEvent&&(e=function(a,b,c){a.detachEvent("on"+b,a[b+c]);try{delete a[b+c]}catch(d){a[b+c]=void 0}});var f={bind:d,unbind:e};"function"==typeof define&&define.amd?define(f):"object"==typeof exports?module.exports=f:a.eventie=f}(this),function(){"use strict";function a(){}function b(a,b){for(var c=a.length;c--;)if(a[c].listener===b)return c;return-1}function c(a){return function(){return this[a].apply(this,arguments)}}var d=a.prototype,e=this,f=e.EventEmitter;d.getListeners=function(a){var b,c,d=this._getEvents();if(a instanceof RegExp){b={};for(c in d)d.hasOwnProperty(c)&&a.test(c)&&(b[c]=d[c])}else b=d[a]||(d[a]=[]);return b},d.flattenListeners=function(a){var b,c=[];for(b=0;b<a.length;b+=1)c.push(a[b].listener);return c},d.getListenersAsObject=function(a){var b,c=this.getListeners(a);return c instanceof Array&&(b={},b[a]=c),b||c},d.addListener=function(a,c){var d,e=this.getListenersAsObject(a),f="object"==typeof c;for(d in e)e.hasOwnProperty(d)&&-1===b(e[d],c)&&e[d].push(f?c:{listener:c,once:!1});return this},d.on=c("addListener"),d.addOnceListener=function(a,b){return this.addListener(a,{listener:b,once:!0})},d.once=c("addOnceListener"),d.defineEvent=function(a){return this.getListeners(a),this},d.defineEvents=function(a){for(var b=0;b<a.length;b+=1)this.defineEvent(a[b]);return this},d.removeListener=function(a,c){var d,e,f=this.getListenersAsObject(a);for(e in f)f.hasOwnProperty(e)&&(d=b(f[e],c),-1!==d&&f[e].splice(d,1));return this},d.off=c("removeListener"),d.addListeners=function(a,b){return this.manipulateListeners(!1,a,b)},d.removeListeners=function(a,b){return this.manipulateListeners(!0,a,b)},d.manipulateListeners=function(a,b,c){var d,e,f=a?this.removeListener:this.addListener,g=a?this.removeListeners:this.addListeners;if("object"!=typeof b||b instanceof RegExp)for(d=c.length;d--;)f.call(this,b,c[d]);else for(d in b)b.hasOwnProperty(d)&&(e=b[d])&&("function"==typeof e?f.call(this,d,e):g.call(this,d,e));return this},d.removeEvent=function(a){var b,c=typeof a,d=this._getEvents();if("string"===c)delete d[a];else if(a instanceof RegExp)for(b in d)d.hasOwnProperty(b)&&a.test(b)&&delete d[b];else delete this._events;return this},d.removeAllListeners=c("removeEvent"),d.emitEvent=function(a,b){var c,d,e,f,g=this.getListenersAsObject(a);for(e in g)if(g.hasOwnProperty(e))for(d=g[e].length;d--;)c=g[e][d],c.once===!0&&this.removeListener(a,c.listener),f=c.listener.apply(this,b||[]),f===this._getOnceReturnValue()&&this.removeListener(a,c.listener);return this},d.trigger=c("emitEvent"),d.emit=function(a){var b=Array.prototype.slice.call(arguments,1);return this.emitEvent(a,b)},d.setOnceReturnValue=function(a){return this._onceReturnValue=a,this},d._getOnceReturnValue=function(){return this.hasOwnProperty("_onceReturnValue")?this._onceReturnValue:!0},d._getEvents=function(){return this._events||(this._events={})},a.noConflict=function(){return e.EventEmitter=f,a},"function"==typeof define&&define.amd?define(function(){return a}):"object"==typeof module&&module.exports?module.exports=a:this.EventEmitter=a}.call(this),function(a,b){"use strict";"function"==typeof define&&define.amd?define(["eventEmitter/EventEmitter","eventie/eventie"],function(c,d){return b(a,c,d)}):"object"==typeof exports?module.exports=b(a,require("eventEmitter"),require("eventie")):a.imagesLoaded=b(a,a.EventEmitter,a.eventie)}(this,function(a,b,c){"use strict";function d(a,b){for(var c in b)a[c]=b[c];return a}function e(a){return"[object Array]"===m.call(a)}function f(a){var b=[];if(e(a))b=a;else if("number"==typeof a.length)for(var c=0,d=a.length;d>c;c++)b.push(a[c]);else b.push(a);return b}function g(a,b,c){if(!(this instanceof g))return new g(a,b);"string"==typeof a&&(a=document.querySelectorAll(a)),this.elements=f(a),this.options=d({},this.options),"function"==typeof b?c=b:d(this.options,b),c&&this.on("always",c),this.getImages(),j&&(this.jqDeferred=new j.Deferred);var e=this;setTimeout(function(){e.check()})}function h(a){this.img=a}function i(a){this.src=a,n[a]=this}var j=a.jQuery,k=a.console,l="undefined"!=typeof k,m=Object.prototype.toString;g.prototype=new b,g.prototype.options={},g.prototype.getImages=function(){this.images=[];for(var a=0,b=this.elements.length;b>a;a++){var c=this.elements[a];"IMG"===c.nodeName&&this.addImage(c);for(var d=c.querySelectorAll("img"),e=0,f=d.length;f>e;e++){var g=d[e];this.addImage(g)}}},g.prototype.addImage=function(a){var b=new h(a);this.images.push(b)},g.prototype.check=function(){function a(a){return b.options.debug&&l,b.progress(a),c++,c===d&&b.complete(),!0}var b=this,c=0,d=this.images.length;if(this.hasAnyBroken=!1,!d)return this.complete(),void 0;for(var e=0;d>e;e++){var f=this.images[e];f.on("confirm",a),f.check()}},g.prototype.progress=function(a){this.hasAnyBroken=this.hasAnyBroken||!a.isLoaded;var b=this;setTimeout(function(){b.emit("progress",b,a),b.jqDeferred&&b.jqDeferred.notify&&b.jqDeferred.notify(b,a)})},g.prototype.complete=function(){var a=this.hasAnyBroken?"fail":"done";this.isComplete=!0;var b=this;setTimeout(function(){if(b.emit(a,b),b.emit("always",b),b.jqDeferred){var c=b.hasAnyBroken?"reject":"resolve";b.jqDeferred[c](b)}})},j&&(j.fn.imagesLoaded=function(a,b){var c=new g(this,a,b);return c.jqDeferred.promise(j(this))}),h.prototype=new b,h.prototype.check=function(){var a=n[this.img.src]||new i(this.img.src);if(a.isConfirmed)return this.confirm(a.isLoaded,"cached was confirmed"),void 0;if(this.img.complete&&void 0!==this.img.naturalWidth)return this.confirm(0!==this.img.naturalWidth,"naturalWidth"),void 0;var b=this;a.on("confirm",function(a,c){return b.confirm(a.isLoaded,c),!0}),a.check()},h.prototype.confirm=function(a,b){this.isLoaded=a,this.emit("confirm",this,b)};var n={};return i.prototype=new b,i.prototype.check=function(){if(!this.isChecked){var a=new Image;c.bind(a,"load",this),c.bind(a,"error",this),a.src=this.src,this.isChecked=!0}},i.prototype.handleEvent=function(a){var b="on"+a.type;this[b]&&this[b](a)},i.prototype.onload=function(a){this.confirm(!0,"onload"),this.unbindProxyEvents(a)},i.prototype.onerror=function(a){this.confirm(!1,"onerror"),this.unbindProxyEvents(a)},i.prototype.confirm=function(a,b){this.isConfirmed=!0,this.isLoaded=a,this.emit("confirm",this,b)},i.prototype.unbindProxyEvents=function(a){c.unbind(a.target,"load",this),c.unbind(a.target,"error",this)},g}),b.prototype.createOverlay=function(){var b="absolute";if("body"==this.parent.element.tagName.toLowerCase())b="fixed";else{var c=this.parent.$element.css("position");("fixed"!=c||"absolute"!=c)&&this.parent.$element.css("position","relative")}this.container=a("<div id='"+this.parent.options.overlayId+"'></div>").css({width:"100%",height:"100%",backgroundColor:this.parent.options.backgroundColor,backgroundPosition:"fixed",position:b,zIndex:666999,top:0,left:0}).appendTo(this.parent.$element),this.loadbar=a("<div id='qLbar'></div>").css({height:this.parent.options.barHeight+"px",marginTop:"-"+this.parent.options.barHeight/2+"px",backgroundColor:this.parent.options.barColor,width:"0%",position:"absolute",top:"50%"}).appendTo(this.container),1==this.parent.options.percentage&&(this.percentageContainer=a("<div id='qLpercentage'></div>").text("0%").css({height:"40px",width:"100px",position:"absolute",fontSize:"3em",top:"50%",left:"50%",marginTop:"-"+(59+this.parent.options.barHeight)+"px",textAlign:"center",marginLeft:"-50px",color:this.parent.options.barColor}).appendTo(this.container)),this.parent.preloadContainer.toPreload.length&&1!=this.parent.alreadyLoaded||this.parent.destroyContainers()},b.prototype.updatePercentage=function(a){this.loadbar.stop().animate({width:a+"%",minWidth:a+"%"},200),1==this.parent.options.percentage&&this.percentageContainer.text(Math.ceil(a)+"%")},c.prototype.create=function(){this.container=a("<div></div>").appendTo("body").css({display:"none",width:0,height:0,overflow:"hidden"}),this.processQueue()},c.prototype.processQueue=function(){for(var a=0;this.toPreload.length>a;a++)this.parent.destroyed||this.preloadImage(this.toPreload[a])},c.prototype.addImage=function(a){this.toPreload.push(a)},c.prototype.preloadImage=function(a){var b=new d;b.addToPreloader(this,a),b.bindLoadEvent()},d.prototype.addToPreloader=function(b,c){this.element=a("<img />").attr("src",c),this.element.appendTo(b.container),this.parent=b.parent},d.prototype.bindLoadEvent=function(){this.parent.imageCounter++,this.element[0].ref=this,new imagesLoaded(this.element,function(a){a.elements[0].ref.completeLoading()})},d.prototype.completeLoading=function(){this.parent.imageDone++;var a=100*(this.parent.imageDone/this.parent.imageCounter);this.parent.overlayLoader.updatePercentage(a),(this.parent.imageDone==this.parent.imageCounter||a>=100)&&this.parent.endLoader()},e.prototype.init=function(){if(this.options=a.extend({},this.defaultOptions,this.options),this.findImageInElement(this.element),1==this.options.deepSearch)for(var b=this.$element.find("*:not(script)"),c=0;c<b.length;c++)this.findImageInElement(b[c]);this.preloadContainer.create(),this.overlayLoader.createOverlay()},e.prototype.findImageInElement=function(b){var c="",e=a(b),f="normal";if("none"!=e.css("background-image")?(c=e.css("background-image"),f="background"):"undefined"!=typeof e.attr("src")&&"img"==b.nodeName.toLowerCase()&&(c=e.attr("src")),!this.hasGradient(c)){c=this.stripUrl(c);for(var g=c.split(", "),h=0;h<g.length;h++)if(this.validUrl(g[h])&&this.urlIsNew(g[h])){var i="";if(this.isIE()||this.isOpera())i="?rand="+Math.random(),this.preloadContainer.addImage(g[h]+i);else if("background"==f)this.preloadContainer.addImage(g[h]+i);else{var j=new d(this);j.element=e,j.bindLoadEvent()}this.foundUrls.push(g[h])}}},e.prototype.hasGradient=function(a){return-1==a.indexOf("gradient")?!1:!0},e.prototype.stripUrl=function(a){return a=a.replace(/url\(\"/g,""),a=a.replace(/url\(/g,""),a=a.replace(/\"\)/g,""),a=a.replace(/\)/g,"")},e.prototype.isIE=function(){return navigator.userAgent.match(/msie/i)},e.prototype.isOpera=function(){return navigator.userAgent.match(/Opera/i)},e.prototype.validUrl=function(a){return a.length>0&&!a.match(/^(data:)/i)?!0:!1},e.prototype.urlIsNew=function(a){return-1==this.foundUrls.indexOf(a)?!0:!1},e.prototype.destroyContainers=function(){this.destroyed=!0,this.preloadContainer.container.remove(),this.overlayLoader.container.remove()},e.prototype.endLoader=function(){this.destroyed=!0,this.onLoadComplete()},e.prototype.onLoadComplete=function(){if(this.options.onLoadComplete(),"grow"==this.options.completeAnimation){var b=this.options.minimumTime;this.overlayLoader.loadbar[0].parent=this,this.overlayLoader.loadbar.stop().animate({width:"100%"},b,function(){a(this).animate({top:"0%",width:"100%",height:"100%"},500,function(){this.parent.overlayLoader.container[0].parent=this.parent,this.parent.overlayLoader.container.fadeOut(500,function(){this.parent.destroyContainers(),this.parent.options.onComplete()})})})}else{var b=this.options.minimumTime;this.overlayLoader.container[0].parent=this,this.overlayLoader.container.fadeOut(b,function(){this.parent.destroyContainers(),this.parent.options.onComplete()})}},Array.prototype.indexOf||(Array.prototype.indexOf=function(a){var b=this.length>>>0,c=Number(arguments[1])||0;for(c=0>c?Math.ceil(c):Math.floor(c),0>c&&(c+=b);b>c;c++)if(c in this&&this[c]===a)return c;return-1}),a.fn.queryLoader2=function(a){return this.each(function(){new e(this,a)})}}(jQuery);