https://www.number10design.ie/wp-content/themes/graphedia-base-theme/assets/js/plugins.js?ver=3.3.6

1/*!
2 * Bootstrap v3.3.6 (http://getbootstrap.com)
3 * Copyright 2011-2015 Twitter, Inc.
4 * Licensed under the MIT license
5 */
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7
8
9/**
10 * bxSlider v4.2.12
11 * Copyright 2013-2015 Steven Wanderski
12 * Written while drinking Belgian ales and listening to jazz
13 * Licensed under MIT (http://opensource.org/licenses/MIT)
14 */
15!function(t){var e={mode:"horizontal",slideSelector:"",infiniteLoop:!0,hideControlOnEnd:!1,speed:500,easing:null,slideMargin:0,startSlide:0,randomStart:!1,captions:!1,ticker:!1,tickerHover:!1,adaptiveHeight:!1,adaptiveHeightSpeed:500,video:!1,useCSS:!0,preloadImages:"visible",responsive:!0,slideZIndex:50,wrapperClass:"bx-wrapper",touchEnabled:!0,swipeThreshold:50,oneToOneTouch:!0,preventDefaultSwipeX:!0,preventDefaultSwipeY:!1,ariaLive:!0,ariaHidden:!0,keyboardEnabled:!1,pager:!0,pagerType:"full",pagerShortSeparator:" / 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t=document.createElement("div"),e=["WebkitPerspective","MozPerspective","OPerspective","msPerspective"],i=0;i<e.length;i++)if(void 0!==t.style[e[i]])return s.cssPrefix=e[i].replace("Perspective","").toLowerCase(),s.animProp="-"+s.cssPrefix+"-transform",!0;return!1}(),"vertical"===s.settings.mode&&(s.settings.maxSlides=s.settings.minSlides),o.data("origStyle",o.attr("style")),o.children(s.settings.slideSelector).each(function(){t(this).data("origStyle",t(this).attr("style"))}),d())},d=function(){var e=s.children.eq(s.settings.startSlide);o.wrap('<div class="'+s.settings.wrapperClass+'"><div class="bx-viewport"></div></div>'),s.viewport=o.parent(),s.settings.ariaLive&&!s.settings.ticker&&s.viewport.attr("aria-live","polite"),s.loader=t('<div class="bx-loading" 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e="vertical"===s.settings.mode?s.settings.minSlides:s.settings.maxSlides,i=s.children.slice(0,e).clone(!0).addClass("bx-clone"),n=s.children.slice(-e).clone(!0).addClass("bx-clone");s.settings.ariaHidden&&(i.attr("aria-hidden",!0),n.attr("aria-hidden",!0)),o.append(i).prepend(n)}s.loader.remove(),m(),"vertical"===s.settings.mode&&(s.settings.adaptiveHeight=!0),s.viewport.height(p()),o.redrawSlider(),s.settings.onSliderLoad.call(o,s.active.index),s.initialized=!0,s.settings.responsive&&t(window).bind("resize",Z),s.settings.auto&&s.settings.autoStart&&(f()>1||s.settings.autoSlideForOnePage)&&H(),s.settings.ticker&&W(),s.settings.pager&&I(s.settings.startSlide),s.settings.controls&&D(),s.settings.touchEnabled&&!s.settings.ticker&&N(),s.settings.keyboardEnabled&&!s.settings.ticker&&t(document).keydown(F)},p=function(){var e=0,n=t();if("vertical"===s.settings.mode||s.settings.adaptiveHeight)if(s.carousel){var o=1===s.settings.moveSlides?s.active.index:s.active.index*x();for(n=s.children.eq(o),i=1;i<=s.settings.maxSlides-1;i++)n=o+i>=s.children.length?n.add(s.children.eq(i-1)):n.add(s.children.eq(o+i))}else n=s.children.eq(s.active.index);else n=s.children;return"vertical"===s.settings.mode?(n.each(function(i){e+=t(this).outerHeight()}),s.settings.slideMargin>0&&(e+=s.settings.slideMargin*(s.settings.minSlides-1))):e=Math.max.apply(Math,n.map(function(){return t(this).outerHeight(!1)}).get()),"border-box"===s.viewport.css("box-sizing")?e+=parseFloat(s.viewport.css("padding-top"))+parseFloat(s.viewport.css("padding-bottom"))+parseFloat(s.viewport.css("border-top-width"))+parseFloat(s.viewport.css("border-bottom-width")):"padding-box"===s.viewport.css("box-sizing")&&(e+=parseFloat(s.viewport.css("padding-top"))+parseFloat(s.viewport.css("padding-bottom"))),e},u=function(){var t="100%";return s.settings.slideWidth>0&&(t="horizontal"===s.settings.mode?s.settings.maxSlides*s.settings.slideWidth+(s.settings.maxSlides-1)*s.settings.slideMargin:s.settings.slideWidth),t},h=function(){var t=s.settings.slideWidth,e=s.viewport.width();if(0===s.settings.slideWidth||s.settings.slideWidth>e&&!s.carousel||"vertical"===s.settings.mode)t=e;else if(s.settings.maxSlides>1&&"horizontal"===s.settings.mode){if(e>s.maxThreshold)return t;e<s.minThreshold?t=(e-s.settings.slideMargin*(s.settings.minSlides-1))/s.settings.minSlides:s.settings.shrinkItems&&(t=Math.floor((e+s.settings.slideMargin)/Math.ceil((e+s.settings.slideMargin)/(t+s.settings.slideMargin))-s.settings.slideMargin))}return t},v=function(){var t=1,e=null;return"horizontal"===s.settings.mode&&s.settings.slideWidth>0?s.viewport.width()<s.minThreshold?t=s.settings.minSlides:s.viewport.width()>s.maxThreshold?t=s.settings.maxSlides:(e=s.children.first().width()+s.settings.slideMargin,t=Math.floor((s.viewport.width()+s.settings.slideMargin)/e)):"vertical"===s.settings.mode&&(t=s.settings.minSlides),t},f=function(){var t=0,e=0,i=0;if(s.settings.moveSlides>0)if(s.settings.infiniteLoop)t=Math.ceil(s.children.length/x());else for(;e<s.children.length;)++t,e=i+v(),i+=s.settings.moveSlides<=v()?s.settings.moveSlides:v();else t=Math.ceil(s.children.length/v());return t},x=function(){return s.settings.moveSlides>0&&s.settings.moveSlides<=v()?s.settings.moveSlides:v()},m=function(){var t,e,i;s.children.length>s.settings.maxSlides&&s.active.last&&!s.settings.infiniteLoop?"horizontal"===s.settings.mode?(e=s.children.last(),t=e.position(),S(-(t.left-(s.viewport.width()-e.outerWidth())),"reset",0)):"vertical"===s.settings.mode&&(i=s.children.length-s.settings.minSlides,t=s.children.eq(i).position(),S(-t.top,"reset",0)):(t=s.children.eq(s.active.index*x()).position(),s.active.index===f()-1&&(s.active.last=!0),void 0!==t&&("horizontal"===s.settings.mode?S(-t.left,"reset",0):"vertical"===s.settings.mode&&S(-t.top,"reset",0)))},S=function(e,i,n,r){var a,l;s.usingCSS?(l="vertical"===s.settings.mode?"translate3d(0, "+e+"px, 0)":"translate3d("+e+"px, 0, 0)",o.css("-"+s.cssPrefix+"-transition-duration",n/1e3+"s"),"slide"===i?(o.css(s.animProp,l),0!==n?o.bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(e){t(e.target).is(o)&&(o.unbind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd"),q())}):q()):"reset"===i?o.css(s.animProp,l):"ticker"===i&&(o.css("-"+s.cssPrefix+"-transition-timing-function","linear"),o.css(s.animProp,l),0!==n?o.bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(e){t(e.target).is(o)&&(o.unbind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd"),S(r.resetValue,"reset",0),L())}):(S(r.resetValue,"reset",0),L()))):(a={},a[s.animProp]=e,"slide"===i?o.animate(a,n,s.settings.easing,function(){q()}):"reset"===i?o.css(s.animProp,e):"ticker"===i&&o.animate(a,n,"linear",function(){S(r.resetValue,"reset",0),L()}))},b=function(){for(var e="",i="",n=f(),o=0;o<n;o++)i="",s.settings.buildPager&&t.isFunction(s.settings.buildPager)||s.settings.pagerCustom?(i=s.settings.buildPager(o),s.pagerEl.addClass("bx-custom-pager")):(i=o+1,s.pagerEl.addClass("bx-default-pager")),e+='<div class="bx-pager-item"><a href="" data-slide-index="'+o+'" class="bx-pager-link">'+i+"</a></div>";s.pagerEl.html(e)},w=function(){s.settings.pagerCustom?s.pagerEl=t(s.settings.pagerCustom):(s.pagerEl=t('<div class="bx-pager" />'),s.settings.pagerSelector?t(s.settings.pagerSelector).html(s.pagerEl):s.controls.el.addClass("bx-has-pager").append(s.pagerEl),b()),s.pagerEl.on("click touchend","a",z)},C=function(){s.controls.next=t('<a class="bx-next" href="">'+s.settings.nextText+"</a>"),s.controls.prev=t('<a class="bx-prev" href="">'+s.settings.prevText+"</a>"),s.controls.next.bind("click touchend",E),s.controls.prev.bind("click touchend",k),s.settings.nextSelector&&t(s.settings.nextSelector).append(s.controls.next),s.settings.prevSelector&&t(s.settings.prevSelector).append(s.controls.prev),s.settings.nextSelector||s.settings.prevSelector||(s.controls.directionEl=t('<div class="bx-controls-direction" />'),s.controls.directionEl.append(s.controls.prev).append(s.controls.next),s.controls.el.addClass("bx-has-controls-direction").append(s.controls.directionEl))},T=function(){s.controls.start=t('<div class="bx-controls-auto-item"><a class="bx-start" href="">'+s.settings.startText+"</a></div>"),s.controls.stop=t('<div class="bx-controls-auto-item"><a class="bx-stop" href="">'+s.settings.stopText+"</a></div>"),s.controls.autoEl=t('<div class="bx-controls-auto" />'),s.controls.autoEl.on("click",".bx-start",M),s.controls.autoEl.on("click",".bx-stop",y),s.settings.autoControlsCombine?s.controls.autoEl.append(s.controls.start):s.controls.autoEl.append(s.controls.start).append(s.controls.stop),s.settings.autoControlsSelector?t(s.settings.autoControlsSelector).html(s.controls.autoEl):s.controls.el.addClass("bx-has-controls-auto").append(s.controls.autoEl),A(s.settings.autoStart?"stop":"start")},P=function(){s.children.each(function(e){var i=t(this).find("img:first").attr("title");void 0!==i&&(""+i).length&&t(this).append('<div class="bx-caption"><span>'+i+"</span></div>")})},E=function(t){t.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),o.goToNextSlide())},k=function(t){t.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),o.goToPrevSlide())},M=function(t){o.startAuto(),t.preventDefault()},y=function(t){o.stopAuto(),t.preventDefault()},z=function(e){var i,n;e.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),i=t(e.currentTarget),void 0!==i.attr("data-sli

15,D=function(){1===f()?(s.controls.prev.addClass("disabled"),s.controls.next.addClass("disabled")):!s.settings.infiniteLoop&&s.settings.hideControlOnEnd&&(0===s.active.index?(s.controls.prev.addClass("disabled"),s.controls.next.removeClass("disabled")):s.active.index===f()-1?(s.controls.next.addClass("disabled"),s.controls.prev.removeClass("disabled")):(s.controls.prev.removeClass("disabled"),s.controls.next.removeClass("disabled")))},H=function(){if(s.settings.autoDelay>0){setTimeout(o.startAuto,s.settings.autoDelay)}else o.startAuto(),t(window).focus(function(){o.startAuto()}).blur(function(){o.stopAuto()});s.settings.autoHover&&o.hover(function(){s.interval&&(o.stopAuto(!0),s.autoPaused=!0)},function(){s.autoPaused&&(o.startAuto(!0),s.autoPaused=null)})},W=function(){var e,i,n,r,a,l,d,c,g=0;"next"===s.settings.autoDirection?o.append(s.children.clone().addClass("bx-clone")):(o.prepend(s.children.clone().addClass("bx-clone")),e=s.children.first().position(),g="horizontal"===s.settings.mode?-e.left:-e.top),S(g,"reset",0),s.settings.pager=!1,s.settings.controls=!1,s.settings.autoControls=!1,s.settings.tickerHover&&(s.usingCSS?(r="horizontal"===s.settings.mode?4:5,s.viewport.hover(function(){i=o.css("-"+s.cssPrefix+"-transform"),n=parseFloat(i.split(",")[r]),S(n,"reset",0)},function(){c=0,s.children.each(function(e){c+="horizontal"===s.settings.mode?t(this).outerWidth(!0):t(this).outerHeight(!0)}),a=s.settings.speed/c,l="horizontal"===s.settings.mode?"left":"top",d=a*(c-Math.abs(parseInt(n))),L(d)})):s.viewport.hover(function(){o.stop()},function(){c=0,s.children.each(function(e){c+="horizontal"===s.settings.mode?t(this).outerWidth(!0):t(this).outerHeight(!0)}),a=s.settings.speed/c,l="horizontal"===s.settings.mode?"left":"top",d=a*(c-Math.abs(parseInt(o.css(l)))),L(d)})),L()},L=function(t){var e,i,n,r=t?t:s.settings.speed,a={left:0,top:0},l={left:0,top:0};"next"===s.settings.autoDirection?a=o.find(".bx-clone").first().position():l=s.children.first().position(),e="horizontal"===s.settings.mode?-a.left:-a.top,i="horizontal"===s.settings.mode?-l.left:-l.top,n={resetValue:i},S(e,"ticker",r,n)},O=function(e){var i=t(window),n={top:i.scrollTop(),left:i.scrollLeft()},s=e.offset();return n.right=n.left+i.width(),n.bottom=n.top+i.height(),s.right=s.left+e.outerWidth(),s.bottom=s.top+e.outerHeight(),!(n.right<s.left||n.left>s.right||n.bottom<s.top||n.top>s.bottom)},F=function(t){var e=document.activeElement.tagName.toLowerCase(),i="input|textarea",n=new RegExp(e,["i"]),s=n.exec(i);if(null==s&&O(o)){if(39===t.keyCode)return E(t),!1;if(37===t.keyCode)return k(t),!1}},N=function(){s.touch={start:{x:0,y:0},end:{x:0,y:0}},s.viewport.bind("touchstart MSPointerDown pointerdown",X),s.viewport.on("click",".bxslider a",function(t){s.viewport.hasClass("click-disabled")&&(t.preventDefault(),s.viewport.removeClass("click-disabled"))})},X=function(t){if(s.controls.el.addClass("disabled"),s.working)t.preventDefault(),s.controls.el.removeClass("disabled");else{s.touch.originalPos=o.position();var e=t.originalEvent,i="undefined"!=typeof e.changedTouches?e.changedTouches:[e];s.touch.start.x=i[0].pageX,s.touch.start.y=i[0].pageY,s.viewport.get(0).setPointerCapture&&(s.pointerId=e.pointerId,s.viewport.get(0).setPointerCapture(s.pointerId)),s.viewport.bind("touchmove MSPointerMove pointermove",V),s.viewport.bind("touchend MSPointerUp pointerup",R),s.viewport.bind("MSPointerCancel pointercancel",Y)}},Y=function(t){S(s.touch.originalPos.left,"reset",0),s.controls.el.removeClass("disabled"),s.viewport.unbind("MSPointerCancel pointercancel",Y),s.viewport.unbind("touchmove MSPointerMove pointermove",V),s.viewport.unbind("touchend MSPointerUp pointerup",R),s.viewport.get(0).releasePointerCapture&&s.viewport.get(0).releasePointerCapture(s.pointerId)},V=function(t){var e=t.originalEvent,i="undefined"!=typeof e.changedTouches?e.changedTouches:[e],n=Math.abs(i[0].pageX-s.touch.start.x),o=Math.abs(i[0].pageY-s.touch.start.y),r=0,a=0;3*n>o&&s.settings.preventDefaultSwipeX?t.preventDefault():3*o>n&&s.settings.preventDefaultSwipeY&&t.preventDefault(),"fade"!==s.settings.mode&&s.settings.oneToOneTouch&&("horizontal"===s.settings.mode?(a=i[0].pageX-s.touch.start.x,r=s.touch.originalPos.left+a):(a=i[0].pageY-s.touch.start.y,r=s.touch.originalPos.top+a),S(r,"reset",0))},R=function(t){s.viewport.unbind("touchmove MSPointerMove pointermove",V),s.controls.el.removeClass("disabled");var e=t.originalEvent,i="undefined"!=typeof e.changedTouches?e.changedTouches:[e],n=0,r=0;s.touch.end.x=i[0].pageX,s.touch.end.y=i[0].pageY,"fade"===s.settings.mode?(r=Math.abs(s.touch.start.x-s.touch.end.x),r>=s.settings.swipeThreshold&&(s.touch.start.x>s.touch.end.x?o.goToNextSlide():o.goToPrevSlide(),o.stopAuto())):("horizontal"===s.settings.mode?(r=s.touch.end.x-s.touch.start.x,n=s.touch.originalPos.left):(r=s.touch.end.y-s.touch.start.y,n=s.touch.originalPos.top),!s.settings.infiniteLoop&&(0===s.active.index&&r>0||s.active.last&&r<0)?S(n,"reset",200):Math.abs(r)>=s.settings.swipeThreshold?(r<0?o.goToNextSlide():o.goToPrevSlide(),o.stopAuto()):S(n,"reset",200)),s.viewport.unbind("touchend MSPointerUp pointerup",R),s.viewport.get(0).releasePointerCapture&&s.viewport.get(0).releasePointerCapture(s.pointerId)},Z=function(e){if(s.initialized)if(s.working)window.setTimeout(Z,10);else{var i=t(window).width(),n=t(window).height();r===i&&a===n||(r=i,a=n,o.redrawSlider(),s.settings.onSliderResize.call(o,s.active.index))}},B=function(t){var e=v();s.settings.ariaHidden&&!s.settings.ticker&&(s.children.attr("aria-hidden","true"),s.children.slice(t,t+e).attr("aria-hidden","false"))},U=function(t){return t<0?s.settings.infiniteLoop?f()-1:s.active.index:t>=f()?s.settings.infiniteLoop?0:s.active.index:t};return o.goToSlide=function(e,i){var n,r,a,l,d=!0,c=0,g={left:0,top:0},u=null;if(s.oldIndex=s.active.index,s.active.index=U(e),!s.working&&s.active.index!==s.oldIndex){if(s.working=!0,d=s.settings.onSlideBefore.call(o,s.children.eq(s.active.index),s.oldIndex,s.active.index),"undefined"!=typeof d&&!d)return s.active.index=s.oldIndex,void(s.working=!1);"next"===i?s.settings.onSlideNext.call(o,s.children.eq(s.active.index),s.oldIndex,s.active.index)||(d=!1):"prev"===i&&(s.settings.onSlidePrev.call(o,s.children.eq(s.active.index),s.oldIndex,s.active.index)||(d=!1)),s.active.last=s.active.index>=f()-1,(s.settings.pager||s.settings.pagerCustom)&&I(s.active.index),s.settings.controls&&D(),"fade"===s.settings.mode?(s.settings.adaptiveHeight&&s.viewport.height()!==p()&&s.viewport.animate({height:p()},s.settings.adaptiveHeightSpeed),s.children.filter(":visible").fadeOut(s.settings.speed).css({zIndex:0}),s.children.eq(s.active.index).css("zIndex",s.settings.slideZIndex+1).fadeIn(s.settings.speed,function(){t(this).css("zIndex",s.settings.slideZIndex),q()})):(s.settings.adaptiveHeight&&s.viewport.height()!==p()&&s.viewport.animate({height:p()},s.settings.adaptiveHeightSpeed),!s.settings.infiniteLoop&&s.carousel&&s.active.last?"horizontal"===s.settings.mode?(u=s.children.eq(s.children.length-1),g=u.position(),c=s.viewport.width()-u.outerWidth()):(n=s.children.length-s.settings.minSlides,g=s.children.eq(n).position()):s.carousel&&s.active.last&&"prev"===i?(r=1===s.settings.moveSlides?s.settings.maxSlides-x():(f()-1)*x()-(s.children.length-s.settings.maxSlides),u=o.children(".bx-clone").eq(r),g=u.position()):"next"===i&&0===s.active.index?(g=o.find("> .bx-clone").eq(s.settings.maxSlides).position(),s.active.last=!1):e>=0&&(l=e*parseInt(x()),g=s.children.eq(l).position()),"undefined"!=typeof g?(a="horizontal"===s.settings.mode?-(g.left-c):-g.top,S(a,"slide",s.settings.speed)):s.working=!1),s.settings.ariaHidden&&B(s.active.index*x())}},o.goToNextSlide=function(){if(s.settings.infiniteLoop||!s.active.last){var t=parseInt(s.active.index)+1;o.goToSlide(t,"next")}},o.goToPrevSlide=function(){if(s.settings.infiniteLoop||0!==s.active.index){var t=parseInt(s.active.index)-1;o.goToSlide(t,"prev")}},o.startAuto=function(t){s.interval||(s.interval=setInterval(function(){"next"===s.settings.autoDirection?o.goToNextSlide():o.goToPrevSlide()},s.settings.pause),s.settings.autoControls&&t!==!0&&A("stop"))},o.stopAuto=function(t){s.interval&&(clearInterval(s.interval),s.interval=null,s.settings.autoControls&&t!==!0&&A("start"))},o.getCurrentSlide=function(){return s.active.index},o.getCurrentSlideElement=function(){return s.children.eq(s.active.index)},o.getSlideElement=function(t){return s.children.eq(t)},o.getSlideCount=function(){return s.children.length},o.isWorking=function(){return s.working},o.redrawSlider=function(){s.children.add(o.find(".bx-clone")).outerWidth(h()),s.viewport.css("height",p()),s.settings.ticker||m(),s.active.last&&(s.active.index=f()-1),s.active.index>=f()&&(s.active.last=!0),s.settings.pager&&!s.settings.pagerCustom&&(b(),I(s.active.index)),s.settings.ariaHidden&&B(s.active.index*x())},o.destroySlider=function(){s.initialized&&(s.initialized=!1,t(".bx-clone",this).remove(),s.children.each(function(){void 0!==t(this).data("origStyle")?t(this).attr("style",t(this).data("origStyle")):t(this).removeAttr("style")}),void 0!==t(this).data("origStyle")?this.attr("style",t(this).data("origStyle")):t(this).removeAttr("style"),t(this).unwrap().unwrap(),s.controls.el&&s.controls.el.remove(),s.controls.next&&s.controls.next.remove(),s.controls.prev&&s.controls.prev.remove(),s.pagerEl&&s.settings.controls&&!s.settings.pagerCustom&&s.pagerEl.remove(),t(".bx-caption",this).remove(),s.controls.autoEl&&s.controls.autoEl.remove(),clearInterval(s.interval),s.settings.responsive&&t(window).unbind("resize",Z),s.settings.keyboardEnabled&&t(document).unbind("

15keydown",F),t(this).removeData("bxSlider"))},o.reloadSlider=function(e){void 0!==e&&(n=e),o.destroySlider(),l(),t(o).data("bxSlider",this)},l(),t(o).data("bxSlider",this),this}}}(jQuery);
16
17// Sticky Plugin v1.0.4 for jQuery
18// =============
19// Author: Anthony Garand
20// Improvements by German M. Bravo (Kronuz) and Ruud Kamphuis (ruudk)
21// Improvements by Leonardo C. Daronco (daronco)
22// Created: 02/14/2011
23// Date: 07/20/2015
24// Website: http://stickyjs.com/
25// Description: Makes an element on the page stick on the screen as you scroll
26//              It will only set the 'top' and 'position' of your element, you
27//              might need to adjust the width in some cases.
28
29(function (factory) {
30    if (typeof define === 'function' && define.amd) {
31        // AMD. Register as an anonymous module.
32        define(['jquery'], factory);
33    } else if (typeof module === 'object' && module.exports) {
34        // Node/CommonJS
35        module.exports = factory(require('jquery'));
36    } else {
37        // Browser globals
38        factory(jQuery);
39    }
40}(function ($) {
41    var slice = Array.prototype.slice; // save ref to original slice()
42    var splice = Array.prototype.splice; // save ref to original slice()
43
44    var defaults = {
45            topSpacing: 0,
46            bottomSpacing: 0,
47            className: 'is-sticky',
48            wrapperClassName: 'sticky-wrapper',
49            center: false,
50            getWidthFrom: '',
51            widthFromWrapper: true, // works only when .getWidthFrom is empty
52            responsiveWidth: false,
53            zIndex: 'inherit'
54        },
55        $window = $(window),
56        $document = $(document),
57        sticked = [],
58        windowHeight = $window.height(),
59        scroller = function() {
60            var scrollTop = $window.scrollTop(),
61                documentHeight = $document.height(),
62                dwh = documentHeight - windowHeight,
63                extra = (scrollTop > dwh) ? dwh - scrollTop : 0;
64
65            for (var i = 0, l = sticked.length; i < l; i++) {
66                var s = sticked[i],
67                    elementTop = s.stickyWrapper.offset().top,
68                    etse = elementTop - s.topSpacing - extra;
69
70                //update height in case of dynamic content
71                s.stickyWrapper.css('height', s.stickyElement.outerHeight());
72
73                if (scrollTop <= etse) {
74                    if (s.currentTop !== null) {
75                        s.stickyElement
76                            .css({
77                                'width': '',
78                                'position': '',
79                                'top': '',
80                                'z-index': ''
81                            });
82                        s.stickyElement.parent().removeClass(s.className);
83                        s.stickyElement.trigger('sticky-end', [s]);
84                        s.currentTop = null;
85                    }
86                }
87                else {
88                    var newTop = documentHeight - s.stickyElement.outerHeight()
89                        - s.topSpacing - s.bottomSpacing - scrollTop - extra;
90                    if (newTop < 0) {
91                        newTop = newTop + s.topSpacing;
92                    } else {
93                        newTop = s.topSpacing;
94                    }
95                    if (s.currentTop !== newTop) {
96                        var newWidth;
97                        if (s.getWidthFrom) {
98                            padding =  s.stickyElement.innerWidth() - s.stickyElement.width();
99                            newWidth = $(s.getWidthFrom).width() - padding || null;
100                        } else if (s.widthFromWrapper) {
101                            newWidth = s.stickyWrapper.width();
102                        }
103                        if (newWidth == null) {
104                            newWidth = s.stickyElement.width();
105                        }
106                        s.stickyElement
107                            .css('width', newWidth)
108                            .css('position', 'fixed')
109                            .css('top', newTop)
110                            .css('z-index', s.zIndex);
111
112                        s.stickyElement.parent().addClass(s.className);
113
114                        if (s.currentTop === null) {
115                            s.stickyElement.trigger('sticky-start', [s]);
116                        } else {
117                            // sticky is started but it have to be repositioned
118                            s.stickyElement.trigger('sticky-update', [s]);
119                        }
120
121                        if (s.currentTop === s.topSpacing && s.currentTop > newTop || s.currentTop === null && newTop < s.topSpacing) {
122                            // just reached bottom || just started to stick but bottom is already reached
123                            s.stickyElement.trigger('sticky-bottom-reached', [s]);
124                        } else if(s.currentTop !== null && newTop === s.topSpacing && s.currentTop < newTop) {
125                            // sticky is started && sticked at topSpacing && overflowing from top just finished
126                            s.stickyElement.trigger('sticky-bottom-unreached', [s]);
127                        }
128
129                        s.currentTop = newTop;
130                    }
131
132                    // Check if sticky has reached end of container and stop sticking
133                    var stickyWrapperContainer = s.stickyWrapper.parent();
134                    var unstick = (s.stickyElement.offset().top + s.stickyElement.outerHeight() >= stickyWrapperContainer.offset().top + stickyWrapperContainer.outerHeight()) && (s.stickyElement.offset().top <= s.topSpacing);
135
136                    if( unstick ) {
137                        s.stickyElement
138                            .css('position', 'absolute')
139                            .css('top', '')
140                            .css('bottom', 0)
141                            .css('z-index', '');
142                    } else {
143                        s.stickyElement
144                            .css('position', 'fixed')
145                            .css('top', newTop)
146                            .css('bottom', '')
147                            .css('z-index', s.zIndex);
148                    }
149                }
150            }
151        },
152        resizer = function() {
153            windowHeight = $window.height();
154
155            for (var i = 0, l = sticked.length; i < l; i++) {
156                var s = sticked[i];
157                var newWidth = null;
158                if (s.getWidthFrom) {
159                    if (s.responsiveWidth) {
160                        newWidth = $(s.getWidthFrom).width();
161                    }
162                } else if(s.widthFromWrapper) {
163                    newWidth = s.stickyWrapper.width();
164                }
165                if (newWidth != null) {
166                    s.stickyElement.css('width', newWidth);
167                }
168            }
169        },
170        methods = {
171            init: function(options) {
172                return this.each(function() {
173                    var o = $.extend({}, defaults, options);
174                    var stickyElement = $(this);
175
176                    var stickyId = stickyElement.attr('id');
177                    var wrapperId = stickyId ? stickyId + '-' + defaults.wrapperClassName : defaults.wrapperClassName;

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315izzyUIUtils,t.Outlayer.Item)}(window,function(t,e,i,n,o){"use strict";function r(t,e){var i=n.getQueryElement(t);if(!i)return void(a&&a.error("Bad element for "+this.constructor.namespace+": "+(i||t)));this.element=i,h&&(this.$element=h(this.element)),this.options=n.extend({},this.constructor.defaults),this.option(e);var o=++d;this.element.outlayerGUID=o,c[o]=this,this._create();var r=this._getOption("initLayout");r&&this.layout()}function s(t){function e(){t.apply(this,arguments)}return e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e}var a=t.console,h=t.jQuery,u=function(){},d=0,c={};r.namespace="outlayer",r.Item=o,r.defaults={containerStyle:{position:"relative"},initLayout:!0,originLeft:!0,originTop:!0,resize:!0,resizeContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}};var l=r.prototype;return n.extend(l,e.prototype),l.option=function(t){n.extend(this.options,t)},l._getOption=function(t){var e=this.constructor.compatOptions[t];return e&&void 0!==this.options[e]?this.options[e]:this.options[t]},r.compatOptions={initLayout:"isInitLayout",horizontal:"isHorizontal",layoutInstant:"isLayoutInstant",originLeft:"isOriginLeft",originTop:"isOriginTop",resize:"isResizeBound",resizeContainer:"isResizingContainer"},l._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),n.extend(this.element.style,this.options.containerStyle);var t=this._getOption("resize");t&&this.bindResize()},l.reloadItems=function(){this.items=this._itemize(this.element.children)},l._itemize=function(t){for(var e=this._filterFindItemElements(t),i=this.constructor.Item,n=[],o=0;o<e.length;o++){var r=e[o],s=new i(r,this);n.push(s)}return n},l._filterFindItemElements=function(t){return n.filterFindElements(t,this.options.itemSelector)},l.getItemElements=function(){return this.items.map(function(t){return t.element})},l.layout=function(){this._resetLayout(),this._manageStamps();var t=this._getOption("layoutInstant"),e=void 0!==t?t:!this._isLayoutInited;this.layoutItems(this.items,e),this._isLayoutInited=!0},l._init=l.layout,l._resetLayout=function(){this.getSize()},l.getSize=function(){this.size=i(this.element)},l._getMeasurement=function(t,e){var n,o=this.options[t];o?("string"==typeof o?n=this.element.querySelector(o):o instanceof HTMLElement&&(n=o),this[t]=n?i(n)[e]:o):this[t]=0},l.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},l._getItemsForLayout=function(t){return t.filter(function(t){return!t.isIgnored})},l._layoutItems=function(t,e){if(this._emitCompleteOnItems("layout",t),t&&t.length){var i=[];t.forEach(function(t){var n=this._getItemLayoutPosition(t);n.item=t,n.isInstant=e||t.isLayoutInstant,i.push(n)},this),this._processLayoutQueue(i)}},l._getItemLayoutPosition=function(){return{x:0,y:0}},l._processLayoutQueue=function(t){t.forEach(function(t){this._positionItem(t.item,t.x,t.y,t.isInstant)},this)},l._positionItem=function(t,e,i,n){n?t.goTo(e,i):t.moveTo(e,i)},l._postLayout=function(){this.resizeContainer()},l.resizeContainer=function(){var t=this._getOption("resizeContainer");if(t){var e=this._getContainerSize();e&&(this._setContainerMeasure(e.width,!0),this._setContainerMeasure(e.height,!1))}},l._getContainerSize=u,l._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},l._emitCompleteOnItems=function(t,e){function i(){o.dispatchEvent(t+"Complete",null,[e])}function n(){s++,s==r&&i()}var o=this,r=e.length;if(!e||!r)return void i();var s=0;e.forEach(function(e){e.once(t,n)})},l.dispatchEvent=function(t,e,i){var n=e?[e].concat(i):i;if(this.emitEvent(t,n),h)if(this.$element=this.$element||h(this.element),e){var o=h.Event(e);o.type=t,this.$element.trigger(o,i)}else this.$element.trigger(t,i)},l.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},l.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},l.stamp=function(t){t=this._find(t),t&&(this.stamps=this.stamps.

407    // Internal counter for unique video names.
408    $.fn.fitVids._count = 0;
409
410// Works with either jQuery or Zepto
411})( window.jQuery || window.Zepto );
412
413
414/*!
415 * jQuery & Zepto Lazy - v1.7.10
416 * http://jquery.eisbehr.de/lazy/
417 *
418 * Copyright 2012 - 2018, Daniel 'Eisbehr' Kern
419 *
420 * Dual licensed under the MIT and GPL-2.0 licenses:
421 * http://www.opensource.org/licenses/mit-license.php
422 * http://www.gnu.org/licenses/gpl-2.0.html
423 *
424 * $("img.lazy").lazy();
425 */
426
427;(function(window, undefined) {
428    "use strict";
429
430    // noinspection JSUnresolvedVariable
431    /**
432     * library instance - here and not in construct to be shorter in minimization
433     * @return void
434     */
435    var $ = window.jQuery || window.Zepto,
436
437        /**
438         * unique plugin instance id counter
439         * @type {number}
440         */
441        lazyInstanceId = 0,
442
443        /**
444         * helper to register window load for jQuery 3
445         * @type {boolean}
446         */
447        windowLoaded = false;
448
449    /**
450     * make lazy available to jquery - and make it a bit more case-insensitive :)
451     * @access public
452     * @type {function}
453     * @param {object} settings
454     * @return {LazyPlugin}
455     */
456    $.fn.Lazy = $.fn.lazy = function(settings) {
457        return new LazyPlugin(this, settings);
458    };
459
460    /**
461     * helper to add plugins to lazy prototype configuration
462     * @access public
463     * @type {function}
464     * @param {string|Array} names
465     * @param {string|Array|function} [elements]
466     * @param {function} loader
467     * @return void
468     */
469    $.Lazy = $.lazy = function(names, elements, loader) {
470        // make second parameter optional
471        if ($.isFunction(elements)) {
472            loader = elements;
473            elements = [];
474        }
475
476        // exit here if parameter is not a callable function
477        if (!$.isFunction(loader)) {
478            return;
479        }
480
481        // make parameters an array of names to be sure
482        names = $.isArray(names) ? names : [names];
483        elements = $.isArray(elements) ? elements : [elements];
484
485        var config = LazyPlugin.prototype.config,
486            forced = config._f || (config._f = {});
487
488        // add the loader plugin for every name
489        for (var i = 0, l = names.length; i < l; i++) {
490            if (config[names[i]] === undefined || $.isFunction(config[names[i]])) {
491                config[names[i]] = loader;
492            }
493        }
494
495        // add forced elements loader
496        for (var c = 0, a = elements.length; c < a; c++) {
497            forced[elements[c]] = names[0];
498        }
499    };
500
501    /**
502     * contains all logic and the whole element handling
503     * is packed in a private function outside class to reduce memory usage, because it will not be created on every plugin instance
504     * @access private
505     * @type {function}
506     * @param {LazyPlugin} instance
507     * @param {object} config
508     * @param {object|Array} items
509     * @param {object} events
510     * @param {string} namespace
511     * @return void
512     */
513    function _executeLazy(instance, config, items, events, namespace) {
514        /**
515         * a helper to trigger the 'onFinishedAll' callback after all other events
516         * @access private
517         * @type {number}
518         */
519        var _awaitingAfterLoad = 0,
520
521            /**
522             * visible content width
523             * @access private
524             * @type {number}
525             */
526            _actualWidth = -1,
527
528            /**
529             * visible content height
530             * @access private
531             * @type {number}
532             */
533            _actualHeight = -1,
534
535            /**
536             * determine possibly detected high pixel density
537             * @access private
538             * @type {boolean}
539             */
540            _isRetinaDisplay = false,
541
542            /**
543             * dictionary entry for better minimization
544             * @access private
545             * @type {string}
546             */
547            _afterLoad = 'afterLoad',
548
549            /**
550             * dictionary entry for better minimization
551             * @access private
552             * @type {string}
553             */
554            _load = 'load',
555
556            /**
557             * dictionary entry for better minimization
558             * @access private
559             * @type {string}
560             */
561            _error = 'error',
562
563            /**
564             * dictionary entry for better minimization
565             * @access private
566             * @type {string}
567             */
568            _img = 'img',
569
570            /**
571             * dictionary entry for better minimization
572             * @access private
573             * @type {string}
574             */
575            _src = 'src',
576
577            /**
578             * dictionary entry for better minimization
579             * @access private
580             * @type {string}
581             */
582            _srcset = 'srcset',
583
584            /**
585             * dictionary entry for better minimization
586             * @access private
587             * @type {string}
588             */
589            _sizes = 'sizes',
590
591            /**
592             * dictionary entry for better minimization
593             * @access private
594             * @type {string}
595             */
596            _backgroundImage = 'background-image';
597
598        /**
599         * initialize plugin
600         * bind loading to events or set delay time to load all items at once
601         * @access private
602         * @return void
603         */
604        function _initialize() {
605            // detect actual device pixel ratio
606            // noinspection JSUnresolvedVariable
607            _isRetinaDisplay = window.devicePixelRatio > 1;
608
609            // prepare all initial items
610            items = _prepareItems(items);
611
612            // if delay time is set load all items at once after delay time
613            if (config.delay >= 0) {
614                setTimeout(function() {
615                    _lazyLoadItems(true);
616                }, config.delay);
617            }
618
619            // if no delay is set or combine usage is active bind events
620            if (config.delay < 0 || config.combined) {
621                // create unique event function
622                events.e = _throttle(config.throttle, function(event) {
623                    // reset detected window size on resize event
624                    if (event.type === 'resize') {
625                        _actualWidth = _actualHeight = -1;
626                    }
627
628                    // execute 'lazy magic'
629                    _lazyLoadItems(event.all);
630                });
631
632                // create function to add new items to instance
633                events.a = function(additionalItems) {
634                    additionalItems = _prepareItems(additionalItems);
635                    items.push.apply(items, additionalItems);
636                };
637
638                // create function to get all instance items left
639                events.g = function() {
640                    // filter loaded items before return in case internal filter was not running until now
641                    return (items = $(items).filter(function() {
642                        return !$(this).data(config.loadedName);
643                    }));
644                };
645
646                // create function to force loading elements
647                events.f = function(forcedItems) {
648                    for (var i = 0; i < forcedItems.length; i++) {
649                        // only handle item if available in current instance
650                        // use a compare function, because Zepto can't handle object parameter for filter
651                        // var item = items.filter(forcedItems[i]);
652                        /* jshint loopfunc: true */
653                        var item = items.filter(function() {
654                            return this === forcedItems[i];
655                        });
656
657                        if (item.length) {
658                            _lazyLoadItems(false, item);
659                        }
660                    }
661                };
662
663                // load initial items
664                _lazyLoadItems();
665
666                // bind lazy load functions to scroll and resize event
667                // noinspection JSUnresolvedVariable
668                $(config.appendScroll).on('scroll.' + namespace + ' resize.' + namespace, events.e);
669            }
670        }
671
672        /**
673         * prepare items before handle them
674         * @access private
675         * @param {Array|object|jQuery} items
676         * @return {Array|object|jQuery}
677         */
678        function _prepareItems(items) {
679            // fetch used configurations before loops
680            var defaultImage = config.defaultImage,
681                placeholder = config.placeholder,
682                imageBase = config.imageBase,
683                srcsetAttribute = config.srcsetAttribute,
684                loaderAttribute = config.loaderAttribute,
685                forcedTags = config._f || {};
686
687            // filter items and only add those who not handled yet and got needed attributes available
688            items = $(items).filter(function() {
689                var element = $(this),
690                    tag = _getElementTagName(this);
691
692                return !element.data(config.handledName) &&
693                    (element.attr(config.attribute) || element.attr(srcsetAttribute) || element.attr(loaderAttribute) || forcedTags[tag] !== undefined);
694            })
695
696            // append plugin instance to all elements
697                .data('plugin_' + config.name, instance);
698
699            for (var i = 0, l = items.length; i < l; i++) {
700                var element = $(items[i]),
701                    tag = _getElementTagName(items[i]),
702                    elementImageBase = element.attr(config.imageBaseAttribute) || imageBase;
703
704                // generate and update source set if an image base is set
705                if (tag === _img && elementImageBase && element.attr(srcsetAttribute)) {
706                    element.attr(srcsetAttribute, _getCorrectedSrcSet(element.attr(srcsetAttribute), elementImageBase));
707                }
708
709                // add loader to forced element types
710                if (forcedTags[tag] !== undefined && !element.attr(loaderAttribute)) {
711                    element.attr(loaderAttribute, forcedTags[tag]);
712                }
713
714                // set default image on every element without source
715                if (tag === _img && defaultImage && !element.attr(_src)) {
716                    element.attr(_src, defaultImage);
717                }
718
719                // set placeholder on every element without background image
720                else if (tag !== _img && placeholder && (!element.css(_backgroundImage) || element.css(_backgroundImage) === 'none')) {
721                    element.css(_backgroundImage, "url('" + placeholder + "')");
722                }
723            }
724
725            return items;
726        }
727
728        /**
729         * the 'lazy magic' - check all items
730         * @access private
731         * @param {boolean} [allItems]
732         * @param {object} [forced]
733         * @return void
734         */
735        function _lazyLoadItems(allItems, forced) {
736            // skip if no items where left
737            if (!items.length) {
738                // destroy instance if option is enabled
739                if (config.autoDestroy) {
740                    // noinspection JSUnresolvedFunction
741                    instance.destroy();
742                }
743
744                return;
745            }
746
747            var elements = forced || items,
748                loadTriggered = false,
749                imageBase = config.imageBase || '',
750                srcsetAttribute = config.srcsetAttribute,
751                handledName = config.handledName;
752
753            // loop all available items
754            for (var i = 0; i < elements.length; i++) {
755                // item is at least in loadable area
756                if (allItems || forced || _isInLoadableArea(elements[i])) {
757                    var element = $(elements[i]),
758                        tag = _getElementTagName(elements[i]),
759                        attribute = element.attr(config.attribute),
760                        elementImageBase = element.attr(config.imageBaseAttribute) || imageBase,
761                        customLoader = element.attr(config.loaderAttribute);
762
763                    // is not already handled
764                    if (!element.data(handledName) &&
765                        // and is visible or visibility doesn't matter
766                        (!config.visibleOnly || element.is(':visible')) && (
767                            // and image source or source set attribute is available
768                            (attribute || element.attr(srcsetAttribute)) && (
769                                // and is image tag where attribute is not equal source or source set
770                                (tag === _img && (elementImageBase + attribute !== element.attr(_src) || element.attr(srcsetAttribute) !== element.attr(_srcset))) ||
771                                // or is non image tag where attribute is not equal background
772                                (tag !== _img && elementImageBase + attribute !== element.css(_backgroundImage))
773                            ) ||
774                            // or custom loader is available
775                            customLoader))
776                    {
777                        // mark element always as handled as this point to prevent double handling
778                        loadTriggered = true;
779                        element.data(handledName, true);
780
781                        // load item
782                        _handleItem(element, tag, elementImageBase, customLoader);
783                    }
784                }
785            }
786
787            // when something was loaded remove them from remaining items
788            if (loadTriggered) {
789                items = $(items).filter(function() {
790                    return !$(this).data(handledName);
791                });
792            }
793        }
794
795        /**
796         * load the given element the lazy way
797         * @access private
798         * @param {object} element
799         * @param {string} tag
800         * @param {string} imageBase
801         * @param {function} [customLoader]
802         * @return void
803         */
804        function _handleItem(element, tag, imageBase, customLoader) {
805            // increment count of items waiting for after load
806            ++_awaitingAfterLoad;
807
808            // extended error callback for correct 'onFinishedAll' handling
809            var errorCallback = function() {
810                _triggerCallback('onError', element);
811                _reduceAwaiting();
812
813                // prevent further callback calls
814                errorCallback = $.noop;
815            };
816
817            // trigger function before loading image
818            _triggerCallback('beforeLoad', element);
819
820            // fetch all double used data here for better code minimization
821            var srcAttribute = config.attribute,
822                srcsetAttribute = config.srcsetAttribute,
823                sizesAttribute = config.sizesAttribute,
824                retinaAttribute = config.retinaAttribute,
825                removeAttribute = config.removeAttribute,
826                loadedName = config.loadedName,
827                elementRetina = element.attr(retinaAttribute);
828
829            // handle custom loader
830            if (customLoader) {
831                // on load callback
832                var loadCallback = function() {
833                    // remove attribute from element
834                    if (removeAttribute) {
835                        element.removeAttr(config.loaderAttribute);
836                    }
837
838                    // mark element as loaded
839                    element.data(loadedName, true);
840
841                    // call after load event
842                    _triggerCallback(_afterLoad, element);
843
844                    // remove item from waiting queue and possibly trigger finished event
845                    // it's needed to be asynchronous to run after filter was in _lazyLoadItems
846                    setTimeout(_reduceAwaiting, 1);
847
848                    // prevent further callback calls
849                    loadCallback = $.noop;
850                };
851
852                // bind error event to trigger callback and reduce waiting amount
853                element.off(_error).one(_error, errorCallback)
854
855                // bind after load callback to element
856                    .one(_load, loadCallback);
857
858                // trigger custom loader and handle response
859                if (!_triggerCallback(customLoader, element, function(response) {
860                    if(response) {
861                        element.off(_load);
862                        loadCallback();
863                    }
864                    else {
865                        element.off(_error);
866                        errorCallback();
867                    }
868                })) {
869                    element.trigger(_error);
870                }
871            }
872
873            // handle images
874            else {
875                // create image object
876                var imageObj = $(new Image());
877
878                // bind error event to trigger callback and reduce waiting amount
879                imageObj.one(_error, errorCallback)
880
881                // bind after load callback to image
882                    .one(_load, function() {
883                        // remove element from view
884                        element.hide();
885
886                        // set image back to element
887                        // do it as single 'attr' calls, to be sure 'src' is set after 'srcset'
888                        if (tag === _img) {
889                            element.attr(_sizes, imageObj.attr(_sizes))
890                                .attr(_srcset, imageObj.attr(_srcset))
891                                .attr(_src, imageObj.attr(_src));
892                        }
893                        else {
894                            element.css(_backgroundImage, "url('" + imageObj.attr(_src) + "')");
895                        }
896
897                        // bring it back with some effect!
898                        element[config.effect](config.effectTime);
899
900                        // remove attribute from element
901                        if (removeAttribute) {
902                            element.removeAttr(srcAttribute + ' ' + srcsetAttribute + ' ' + retinaAttribute + ' ' + config.imageBaseAttribute);
903
904                            // only remove 'sizes' attribute, if it was a custom one
905                            if (sizesAttribute !== _sizes) {
906                                element.removeAttr(sizesAttribute);
907                            }
908                        }
909
910                        // mark element as loaded
911                        element.data(loadedName, true);
912
913                        // call after load event
914                        _triggerCallback(_afterLoad, element);
915
916                        // cleanup image object
917                        imageObj.remove();
918
919                        // remove item from waiting queue and possibly trigger finished event
920                        _reduceAwaiting();
921                    });
922
923                // set sources
924                // do it as single 'attr' calls, to be sure 'src' is set after 'srcset'
925                var imageSrc = (_isRetinaDisplay && elementRetina ? elementRetina : element.attr(srcAttribute)) || '';
926                imageObj.attr(_sizes, element.attr(sizesAttribute))
927                    .attr(_srcset, element.attr(srcsetAttribute))
928                    .attr(_src, imageSrc ? imageBase + imageSrc : null);
929
930                // call after load even on cached image
931                imageObj.complete && imageObj.trigger(_load); // jshint ignore : line
932            }
933        }
934
935        /**
936         * check if the given element is inside the current viewport or threshold
937         * @access private
938         * @param {object} element
939         * @return {boolean}
940         */
941        function _isInLoadableArea(element) {
942            var elementBound = element.getBoundingClientRect(),
943                direction    = config.scrollDirection,
944                threshold    = config.threshold,
945                vertical     = // check if element is in loadable area from top
946                    ((_getActualHeight() + threshold) > elementBound.top) &&
947                    // check if element is even in loadable are from bottom
948                    (-threshold < elementBound.bottom),
949                horizontal   = // check if element is in loadable area from left
950                    ((_getActualWidth() + threshold) > elementBound.left) &&
951                    // check if element is even in loadable area from right
952                    (-threshold < elementBound.right);
953
954            if (direction === 'vertical') {
955                return vertical;
956            }
957            else if (direction === 'horizontal') {
958                return horizontal;
959            }
960
961            return vertical && horizontal;
962        }
963
964        /**
965         * receive the current viewed width of the browser
966         * @access private
967         * @return {number}
968         */
969        function _getActualWidth() {
970            return _actualWidth >= 0 ? _actualWidth : (_actualWidth = $(window).width());
971        }
972
973        /**
974         * receive the current viewed height of the browser
975         * @access private
976         * @return {number}
977         */
978        function _getActualHeight() {
979            return _actualHeight >= 0 ? _actualHeight : (_actualHeight = $(window).height());
980        }
981
982        /**
983         * get lowercase tag name of an element
984         * @access private
985         * @param {object} element
986         * @returns {string}
987         */
988        function _getElementTagName(element) {
989            return element.tagName.toLowerCase();
990        }
991
992        /**
993         * prepend image base to all srcset entries
994         * @access private
995         * @param {string} srcset
996         * @param {string} imageBase
997         * @returns {string}
998         */
999        function _getCorrectedSrcSet(srcset, imageBase) {
1000            if (imageBase) {
1001                // trim, remove unnecessary spaces and split entries
1002                var entries = srcset.split(',');
1003                srcset = '';
1004
1005                for (var i = 0, l = entries.length; i < l; i++) {
1006                    srcset += imageBase + entries[i].trim() + (i !== l - 1 ? ',' : '');
1007                }
1008            }
1009
1010            return srcset;
1011        }
1012
1013        /**
1014         * helper function to throttle down event triggering
1015         * @access private
1016         * @param {number} delay
1017         * @param {function} callback
1018         * @return {function}
1019         */
1020        function _throttle(delay, callback) {
1021            var timeout,
1022                lastExecute = 0;
1023
1024            return function(event, ignoreThrottle) {
1025                var elapsed = +new Date() - lastExecute;
1026
1027                function run() {
1028                    lastExecute = +new Date();
1029                    // noinspection JSUnresolvedFunction
1030                    callback.call(instance, event);
1031                }
1032
1033                timeout && clearTimeout(timeout); // jshint ignore : line
1034
1035                if (elapsed > delay || !config.enableThrottle || ignoreThrottle) {
1036                    run();
1037                }
1038                else {
1039                    timeout = setTimeout(run, delay - elapsed);
1040                }
1041            };
1042        }
1043
1044        /**
1045         * reduce count of awaiting elements to 'afterLoad' event and fire 'onFinishedAll' if reached zero
1046         * @access private
1047         * @return void
1048         */
1049        function _reduceAwaiting() {
1050            --_awaitingAfterLoad;
1051
1052            // if no items were left trigger finished event
1053            if (!items.length && !_awaitingAfterLoad) {
1054                _triggerCallback('onFinishedAll');
1055            }
1056        }
1057
1058        /**
1059         * single implementation to handle callbacks, pass element and set 'this' to current instance
1060         * @access private
1061         * @param {string|function} callback
1062         * @param {object} [element]
1063         * @param {*} [args]
1064         * @return {boolean}
1065         */
1066        function _triggerCallback(callback, element, args) {
1067            if ((callback = config[callback])) {
1068                // jQuery's internal '$(arguments).slice(1)' are causing problems at least on old iPads
1069                // below is shorthand of 'Array.prototype.slice.call(arguments, 1)'
1070                callback.apply(instance, [].slice.call(arguments, 1));
1071                return true;
1072            }
1073
1074            return false;
1075        }
1076
1077        // if event driven or window is already loaded don't wait for page loading
1078        if (config.bind === 'event' || windowLoaded) {
1079            _initialize();
1080        }
1081
1082        // otherwise load initial items and start lazy after page load
1083        else {
1084            // noinspection JSUnresolvedVariable
1085            $(window).on(_load + '.' + namespace, _initialize);
1086        }
1087    }
1088
1089    /**
1090     * lazy plugin class constructor
1091     * @constructor
1092     * @access private
1093     * @param {object} elements
1094     * @param {object} settings
1095     * @return {object|LazyPlugin}
1096     */
1097    function LazyPlugin(elements, settings) {
1098        /**
1099         * this lazy plugin instance
1100         * @access private
1101         * @type {object|LazyPlugin|LazyPlugin.prototype}
1102         */
1103        var _instance = this,
1104
1105            /**
1106             * this lazy plugin instance configuration
1107             * @access private
1108             * @type {object}
1109             */
1110            _config = $.extend({}, _instance.config, settings),
1111
1112            /**
1113             * instance generated event executed on container scroll or resize
1114             * packed in an object to be referenceable and short named because properties will not be minified
1115             * @access private
1116             * @type {object}
1117             */
1118            _events = {},
1119
1120            /**
1121             * unique namespace for instance related events
1122             * @access private
1123             * @type {string}
1124             */
1125            _namespace = _config.name + '-' + (++lazyInstanceId);
1126
1127        // noinspection JSUndefinedPropertyAssignment
1128        /**
1129         * wrapper to get or set an entry from plugin instance configuration
1130         * much smaller on minify as direct access
1131         * @access public
1132         * @type {function}
1133         * @param {string} entryName
1134         * @param {*} [value]
1135         * @return {LazyPlugin|*}
1136         */
1137        _instance.config = function(entryName, value) {
1138            if (value === undefined) {
1139                return _config[entryName];
1140            }
1141
1142            _config[entryName] = value;
1143            return _instance;
1144        };
1145
1146        // noinspection JSUndefinedPropertyAssignment
1147        /**
1148         * add additional items to current instance
1149         * @access public
1150         * @param {Array|object|string} items
1151         * @return {LazyPlugin}
1152         */
1153        _instance.addItems = function(items) {
1154            _events.a && _events.a($.type(items) === 'string' ? $(items) : items); // jshint ignore : line
1155            return _instance;
1156        };
1157
1158        // noinspection JSUndefinedPropertyAssignment
1159        /**
1160         * get all left items of this instance
1161         * @access public
1162         * @returns {object}
1163         */
1164        _instance.getItems = function() {
1165            return _events.g ? _events.g() : {};
1166        };
1167
1168        // noinspection JSUndefinedPropertyAssignment
1169        /**
1170         * force lazy to load all items in loadable area right now
1171         * by default without throttle
1172         * @access public
1173         * @type {function}
1174         * @param {boolean} [useThrottle]
1175         * @return {LazyPlugin}
1176         */
1177        _instance.update = function(useThrottle) {
1178            _events.e && _events.e({}, !useThrottle); // jshint ignore : line
1179            return _instance;
1180        };
1181
1182        // noinspection JSUndefinedPropertyAssignment
1183        /**
1184         * force element(s) to load directly, ignoring the viewport
1185         * @access public
1186         * @param {Array|object|string} items
1187         * @return {LazyPlugin}
1188         */
1189        _instance.force = function(items) {
1190            _events.f && _events.f($.type(items) === 'string' ? $(items) : items); // jshint ignore : line
1191            return _instance;
1192        };
1193
1194        // noinspection JSUndefinedPropertyAssignment
1195        /**
1196         * force lazy to load all available items right now
1197         * this call ignores throttling
1198         * @access public
1199         * @type {function}
1200         * @return {LazyPlugin}
1201         */
1202        _instance.loadAll = function() {
1203            _events.e && _events.e({all: true}, true); // jshint ignore : line
1204            return _instance;
1205        };
1206
1207        // noinspection JSUndefinedPropertyAssignment
1208        /**
1209         * destroy this plugin instance
1210         * @access public
1211         * @type {function}
1212         * @return undefined
1213         */
1214        _instance.destroy = function() {
1215            // unbind instance generated events
1216            // noinspection JSUnresolvedFunction, JSUnresolvedVariable
1217            $(_config.appendScroll).off('.' + _namespace, _events.e);
1218            // noinspection JSUnresolvedVariable
1219            $(window).off('.' + _namespace);
1220
1221            // clear events
1222            _events = {};
1223
1224            return undefined;
1225        };
1226
1227        // start using lazy and return all elements to be chainable or instance for further use
1228        // noinspection JSUnresolvedVariable
1229        _executeLazy(_instance, _config, elements, _events, _namespace);
1230        return _config.chainable ? elements : _instance;
1231    }
1232
1233    /**
1234     * settings and configuration data
1235     * @access public
1236     * @type {object|*}
1237     */
1238    LazyPlugin.prototype.config = {
1239        // general
1240        name               : 'lazy',
1241        chainable          : true,
1242        autoDestroy        : true,
1243        bind               : 'load',
1244        threshold          : 500,
1245        visibleOnly        : false,
1246        appendScroll       : window,
1247        scrollDirection    : 'both',
1248        imageBase          : null,
1249        defaultImage       : 'data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==',
1250        placeholder        : null,
1251        delay              : -1,
1252        combined           : false,
1253
1254        // attributes
1255        attribute          : 'data-src',
1256        srcsetAttribute    : 'data-srcset',
1257        sizesAttribute     : 'data-sizes',
1258        retinaAttribute    : 'data-retina',
1259        loaderAttribute    : 'data-loader',
1260        imageBaseAttribute : 'data-imagebase',
1261        removeAttribute    : true,
1262        handledName        : 'handled',
1263        loadedName         : 'loaded',
1264
1265        // effect
1266        effect             : 'show',
1267        effectTime         : 0,
1268
1269        // throttle
1270        enableThrottle     : true,
1271        throttle           : 250,
1272
1273        // callbacks
1274        beforeLoad         : undefined,
1275        afterLoad          : undefined,
1276        onError            : undefined,
1277        onFinishedAll      : undefined
1278    };
1279
1280    // register window load event globally to prevent not loading elements
1281    // since jQuery 3.X ready state is fully async and may be executed after 'load'
1282    $(window).on('load', function() {
1283        windowLoaded = true;
1284    });
1285})(window);