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(function(window,factory){var lazySizes=factory(window,window.document,Date);window.lazySizes=lazySizes;if(typeof module=='object'&&module.exports){module.exports=lazySizes;}}(typeof window!='undefined'?window:{},function l(window,document,Date){'use strict';var lazysizes,lazySizesCfg;(function(){var prop;var lazySizesDefaults={lazyClass:'lazyload',loadedClass:'lazyloaded',loadingClass:'lazyloading',preloadClass:'lazypreload',errorClass:'lazyerror',autosizesClass:'lazyautosizes',fastLoadedClass:'ls-is-cached',iframeLoadMode:0,srcAttr:'data-src',srcsetAttr:'data-srcset',sizesAttr:'data-sizes',minSize:40,customMedia:{},init:true,expFactor:1.5,hFac:0.8,loadMode:2,loadHidden:true,ricTimeout:0,throttleDelay:125,};lazySizesCfg=window.lazySizesConfig\|\|window.lazysizesConfig\|\|{};for(prop in lazySizesDefaults){if(!(prop in lazySizesCfg)){lazySizesCfg[prop]=lazySizesDefaults[prop];}}})();if(!document\|\|!document.getElementsByClassName){return{init:function(){},cfg:lazySizesCfg,noSupport:true,};} var docElem=document.documentElement;var supportPicture=window.HTMLPictureElement;var _addEventListener='addEventListener';var _getAttribute='getAttribute';var addEventListener=window[_addEventListener].bind(window);var setTimeout=window.setTimeout;var requestAnimationFrame=window.requestAnimationFrame\|\|setTimeout;var requestIdleCallback=window.requestIdleCallback;var regPicture=/^picture$/i;var loadEvents=['load','error','lazyincluded','_lazyloaded'];var regClassCache={};var forEach=Array.prototype.forEach;var hasClass=function(ele,cls){if(!regClassCache[cls]){regClassCache[cls]=new RegExp('(\\s\|^)'+cls+'(\\s\|$)');} return regClassCache[cls].test(ele[_getAttribute]('class')\|\|'')&&regClassCache[cls];};var addClass=function(ele,cls){if(!hasClass(ele,cls)){ele.setAttribute('class',(ele[_getAttribute]('class')\|\|'').trim()+' '+cls);}};var removeClass=function(ele,cls){var reg;if((reg=hasClass(ele,cls))){ele.setAttribute('class',(ele[_getAttribute]('class')\|\|'').replace(reg,' '));}};var addRemoveLoadEvents=function(dom,fn,add){var action=add?_addEventListener:'removeEventListener';if(add){addRemoveLoadEvents(dom,fn);} loadEvents.forEach(function(evt){dom[action](evt,fn);});};var triggerEvent=function(elem,name,detail,noBubbles,noCancelable){var event=document.createEvent('Event');if(!detail){detail={};} detail.instance=lazysizes;event.initEvent(name,!noBubbles,!noCancelable);event.detail=detail;elem.dispatchEvent(event);return event;};var updatePolyfill=function(el,full){var polyfill;if(!supportPicture&&(polyfill=(window.picturefill\|\|lazySizesCfg.pf))){if(full&&full.src&&!el[_getAttribute]('srcset')){el.setAttribute('srcset',full.src);} polyfill({reevaluate:true,elements:[el]});}else if(full&&full.src){el.src=full.src;}};var getCSS=function(elem,style){return(getComputedStyle(elem,null)\|\|{})[style];};var getWidth=function(elem,parent,width){width=width\|\|elem.offsetWidth;while(width<lazySizesCfg.minSize&&parent&&!elem._lazysizesWidth){width=parent.offsetWidth;parent=parent.parentNode;} return width;};var rAF=(function(){var running,waiting;var firstFns=[];var secondFns=[];var fns=firstFns;var run=function(){var runFns=fns;fns=firstFns.length?secondFns:firstFns;running=true;waiting=false;while(runFns.length){runFns.shift()();} running=false;};var rafBatch=function(fn,queue){if(running&&!queue){fn.apply(this,arguments);}else{fns.push(fn);if(!waiting){waiting=true;(document.hidden?setTimeout:requestAnimationFrame)(run);}}};rafBatch._lsFlush=run;return rafBatch;})();var rAFIt=function(fn,simple){return simple?function(){rAF(fn);}:function(){var that=this;var args=arguments;rAF(function(){fn.apply(that,args);});};};var throttle=function(fn){var running;var lastTime=0;var gDelay=lazySizesCfg.throttleDelay;var rICTimeout=lazySizesCfg.ricTimeout;var run=function(){running=false;lastTime=Date.now();fn();};var idleCallback=requestIdleCallback&&rICTimeout>49?function(){requestIdleCallback(run,{timeout:rICTimeout});if(rICTimeout!==lazySizesCfg.ricTimeout){rICTimeout=lazySizesCfg.ricTimeout;}}:rAFIt(function(){setTimeout(run);},true);return function(isPriority){var delay;if((isPriority=isPriority===true)){rICTimeout=33;} if(running){return;} running=true;delay=gDelay-(Date.now()-lastTime);if(delay<0){delay=0;} if(isPriority\|\|delay<9){idleCallback();}else{setTimeout(idleCallback,delay);}};};var debounce=function(func){var timeout,timestamp;var wait=99;var run=function(){timeout=null;func();};var later=function(){var last=Date.now()-timestamp;if(last<wait){setTimeout(later,wait-last);}else{(requestIdleCallback\|\|run)(run);}};return function(){timestamp=Date.now();if(!timeout){timeout=setTimeout(later,wait);}};};var loader=(function(){var preloadElems,isCompleted,resetPreloadingTimer,loadMode,started;var eLvW,elvH,eLtop,eLleft,eLright,eLbottom,isBodyHidden;var regImg=/^img$/i;var regIframe=/^iframe$/i;var supportScroll=('onscroll'in window)&&!(/(gle\|ing)bot/.test(navigator.userAgent));var shrinkExpand=0;var currentExpand=0;var isLoading=0;var lowRuns=-1;var resetPreloading=function(e){isLoading--;if(!e\|\|isLoading<0\|\|!e.target){isLoading=0;}};var isVisible=function(elem){if(isBodyHidden==null){isBodyHidden=getCSS(document.body,'visibility')=='hidden';} return isBodyHidden\|\|!(getCSS(elem.parentNode,'visibility')=='hidden'&&getCSS(elem,'visibility')=='hidden');};var isNestedVisible=function(elem,elemExpand){var outerRect;var parent=elem;var visible=isVisible(elem);eLtop-=elemExpand;eLbottom+=elemExpand;eLleft-=elemExpand;eLright+=elemExpand;while(visible&&(parent=parent.offsetParent)&&parent!=document.body&&parent!=docElem){visible=((getCSS(parent,'opacity')\|\|1)>0);if(visible&&getCSS(parent,'overflow')!='visible'){outerRect=parent.getBoundingClientRect();visible=eLright>outerRect.left&&eLleft<outerRect.right&&eLbottom>outerRect.top-1&&eLtop<outerRect.bottom+1;}} return visible;};var checkElements=function(){var eLlen,i,rect,autoLoadElem,loadedSomething,elemExpand,elemNegativeExpand,elemExpandVal,beforeExpandVal,defaultExpand,preloadExpand,hFac;var lazyloadElems=lazysizes.elements;if((loadMode=lazySizesCfg.loadMode)&&isLoading<8&&(eLlen=lazyloadElems.length)){i=0;lowRuns++;for(;i<eLlen;i++){if(!lazyloadElems[i]\|\|lazyloadElems[i]._lazyRace){continue;} if(!supportScroll\|\|(lazysizes.prematureUnveil&&lazysizes.prematureUnveil(lazyloadElems[i]))){unveilElement(lazyloadElems[i]);continue;} if(!(elemExpandVal=lazyloadElems[i][_getAttribute]('data-expand'))\|\|!(elemExpand=elemExpandVal1)){elemExpand=currentExpand;} if(!defaultExpand){defaultExpand=(!lazySizesCfg.expand\|\|lazySizesCfg.expand<1)?docElem.clientHeight>500&&docElem.clientWidth>500?500:370:lazySizesCfg.expand;lazysizes._defEx=defaultExpand;preloadExpand=defaultExpandlazySizesCfg.expFactor;hFac=lazySizesCfg.hFac;isBodyHidden=null;if(currentExpand<preloadExpand&&isLoading<1&&lowRuns>2&&loadMode>2&&!document.hidden){currentExpand=preloadExpand;lowRuns=0;}else if(loadMode>1&&lowRuns>1&&isLoading<6){currentExpand=defaultExpand;}else{currentExpand=shrinkExpand;}} if(beforeExpandVal!==elemExpand){eLvW=innerWidth+(elemExpandhFac);elvH=innerHeight+elemExpand;elemNegativeExpand=elemExpand-1;beforeExpandVal=elemExpand;} rect=lazyloadElems[i].getBoundingClientRect();if((eLbottom=rect.bottom)>=elemNegativeExpand&&(eLtop=rect.top)<=elvH&&(eLright=rect.right)>=elemNegativeExpand*hFac&&(eLleft=rect.left)<=eLvW&&(eLbottom\|\|eLright\|\|eLleft\|\|eLtop)&&(lazySizesCfg.loadHidden\|\|isVisible(lazyloadElems[i]))&&((isCompleted&&isLoading<3&&!elemExpandVal&&(loadMode<3\|\|lowRuns<4))\|\|isNestedVisible(lazyloadElems[i],elemExpand))){unveilElement(lazyloadElems[i]);loadedSomething=true;if(isLoading>9){break;}}else if(!loadedSomething&&isCompleted&&!autoLoadElem&&isLoading<4&&lowRuns<4&&loadMode>2&&(preloadElems[0]\|\|lazySizesCfg.preloadAfterLoad)&&(preloadElems[0]\|\|(!elemExpandVal&&((eLbottom\|\|eLright\|\|eLleft\|\|eLtop)\|\|lazyloadElems[i][_getAttribute](lazySizesCfg.sizesAttr)!='auto')))){autoLoadElem=preloadElems[0]\|\|lazyloadElems[i];}} if(autoLoadElem&&!loadedSomething){unveilElement(autoLoadElem);}}};var throttledCheckElements=throttle(checkElements);var switchLoadingClass=function(e){var elem=e.target;if(elem._lazyCache){delete elem._lazyCache;return;} resetPreloading(e);addClass(elem,lazySizesCfg.loadedClass);removeClass(elem,lazySizesCfg.loadingClass);addRemoveLoadEvents(elem,rafSwitchLoadingClass);triggerEvent(elem,'lazyloaded');};var rafedSwitchLoadingClass=rAFIt(switchLoadingClass);var rafSwitchLoadingClass=function(e){rafedSwitchLoadingClass({target:e.target});};var changeIframeSrc=function(elem,src){var loadMode=elem.getAttribute('data-load-mode')\|\|lazySizesCfg.iframeLoadMode;if(loadMode==0){elem.contentWindow.location.replace(src);}else if(loadMode==1){elem.src=src;}};var handleSources=function(source){var customMedia;var sourceSrcset=source[_getAttribute](lazySizesCfg.srcsetAttr);if((customMedia=lazySizesCfg.customMedia[source[_getAttribute]('data-media')\|\|source[_getAttribute]('media')])){source.setAttribute('media',customMedia);} if(sourceSrcset){source.setAttribute('srcset',sourceSrcset);}};var lazyUnveil=rAFIt(function(elem,detail,isAuto,sizes,isImg){var src,srcset,parent,isPicture,event,firesLoad;if(!(event=triggerEvent(elem,'lazybeforeunveil',detail)).defaultPrevented){if(sizes){if(isAuto){addClass(elem,lazySizesCfg.autosizesClass);}else{elem.setAttribute('sizes',sizes);}} srcset=elem[_getAttribute](lazySizesCfg.srcsetAttr);src=elem[_getAttribute](lazySizesCfg.srcAttr);if(isImg){parent=elem.parentNode;isPicture=parent&&regPicture.test(parent.nodeName\|\|'');} firesLoad=detail.firesLoad\|\|(('src'in elem)&&(srcset\|\|src\|\|isPicture));event={target:elem};addClass(elem,lazySizesCfg.loadingClass);if(firesLoad){clearTimeout(resetPreloadingTimer);resetPreloadingTimer=setTimeout(resetPreloading,2500);addRemoveLoadEvents(elem,rafSwitchLoadingClass,true);} if(isPicture){forEach.call(parent.getElementsByTagName('source'),handleSources);} if(srcset){elem.setAttribute('srcset',srcset);}else if(src&&!isPicture){if(regIframe.test(elem.nodeName)){changeIframeSrc(elem,src);}else{elem.src=src;}} if(isImg&&(srcset\|\|isPicture)){updatePolyfill(elem,{src:src});}} if(elem._lazyRace){delete elem._lazyRace;} removeClass(elem,lazySizesCfg.lazyClass);rAF(function(){var isLoaded=elem.complete&&elem.naturalWidth>1;if(!firesLoad\|\|isLoaded){if(isLoaded){addClass(elem,lazySizesCfg.fastLoadedClass);} switchLoadingClass(event);elem._lazyCache=true;setTimeout(function(){if('_lazyCache'in elem){delete elem._lazyCache;}},9);} if(elem.loading=='lazy'){isLoading--;}},true);});var unveilElement=function(elem){if(elem._lazyRace){return;} var detail;var isImg=regImg.test(elem.nodeName);var sizes=isImg&&(elem[_getAttribute](lazySizesCfg.sizesAttr)\|\|elem[_getAttribute]('sizes'));var isAuto=sizes=='auto';if((isAuto\|\|!isCompleted)&&isImg&&(elem[_getAttribute]('src')\|\|elem.srcset)&&!elem.complete&&!hasClass(elem,lazySizesCfg.errorClass)&&hasClass(elem,lazySizesCfg.lazyClass)){return;} detail=triggerEvent(elem,'lazyunveilread').detail;if(isAuto){autoSizer.updateElem(elem,true,elem.offsetWidth);} elem._lazyRace=true;isLoading++;lazyUnveil(elem,detail,isAuto,sizes,isImg);};var afterScroll=debounce(function(){lazySizesCfg.loadMode=3;throttledCheckElements();});var altLoadmodeScrollListner=function(){if(lazySizesCfg.loadMode==3){lazySizesCfg.loadMode=2;} afterScroll();};var onload=function(){if(isCompleted){return;} if(Date.now()-started<999){setTimeout(onload,999);return;} isCompleted=true;lazySizesCfg.loadMode=3;throttledCheckElements();addEventListener('scroll',altLoadmodeScrollListner,true);};return{_:function(){started=Date.now();lazysizes.elements=document.getElementsByClassName(lazySizesCfg.lazyClass);preloadElems=document.getElementsByClassName(lazySizesCfg.lazyClass+' '+lazySizesCfg.preloadClass);addEventListener('scroll',throttledCheckElements,true);addEventListener('resize',throttledCheckElements,true);addEventListener('pageshow',function(e){if(e.persisted){var loadingElements=document.querySelectorAll('.'+lazySizesCfg.loadingClass);if(loadingElements.length&&loadingElements.forEach){requestAnimationFrame(function(){loadingElements.forEach(function(img){if(img.complete){unveilElement(img);}});});}}});if(window.MutationObserver){new MutationObserver(throttledCheckElements).observe(docElem,{childList:true,subtree:true,attributes:true});}else{docElem[_addEventListener]('DOMNodeInserted',throttledCheckElements,true);docElem[_addEventListener]('DOMAttrModified',throttledCheckElements,true);setInterval(throttledCheckElements,999);} addEventListener('hashchange',throttledCheckElements,true);['focus','mouseover','click','load','transitionend','animationend'].forEach(function(name){document[_addEventListener](name,throttledCheckElements,true);});if((/d$\|^c/.test(document.readyState))){onload();}else{addEventListener('load',onload);document[_addEventListener]('DOMContentLoaded',throttledCheckElements);setTimeout(onload,20000);} if(lazysizes.elements.length){checkElements();rAF._lsFlush();}else{throttledCheckElements();}},checkElems:throttledCheckElements,unveil:unveilElement,_aLSL:altLoadmodeScrollListner,};})();var autoSizer=(function(){var autosizesElems;var sizeElement=rAFIt(function(elem,parent,event,width){var sources,i,len;elem._lazysizesWidth=width;width+='px';elem.setAttribute('sizes',width);if(regPicture.test(parent.nodeName\|\|'')){sources=parent.getElementsByTagName('source');for(i=0,len=sources.length;i<len;i++){sources[i].setAttribute('sizes',width);}} if(!event.detail.dataAttr){updatePolyfill(elem,event.detail);}});var getSizeElement=function(elem,dataAttr,width){var event;var parent=elem.parentNode;if(parent){width=getWidth(elem,parent,width);event=triggerEvent(elem,'lazybeforesizes',{width:width,dataAttr:!!dataAttr});if(!event.defaultPrevented){width=event.detail.width;if(width&&width!==elem._lazysizesWidth){sizeElement(elem,parent,event,width);}}}};var updateElementsSizes=function(){var i;var len=autosizesElems.length;if(len){i=0;for(;i<len;i++){getSizeElement(autosizesElems[i]);}}};var debouncedUpdateElementsSizes=debounce(updateElementsSizes);return{_:function(){autosizesElems=document.getElementsByClassName(lazySizesCfg.autosizesClass);addEventListener('resize',debouncedUpdateElementsSizes);},checkElems:debouncedUpdateElementsSizes,updateElem:getSizeElement};})();var init=function(){if(!init.i&&document.getElementsByClassName){init.i=true;autoSizer._();loader._();}};setTimeout(function(){if(lazySizesCfg.init){init();}});lazysizes={cfg:lazySizesCfg,autoSizer:autoSizer,loader:loader,init:init,uP:updatePolyfill,aC:addClass,rC:removeClass,hC:hasClass,fire:triggerEvent,gW:getWidth,rAF:rAF,};return lazysizes;}));

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