https://www.conversecountybank.com/custom/fed-library/production/lazysizes/ls.bgset.min.js

1/*! lazysizes - v5.2.0 */
2!function(a,b){var c=function(){b(a.lazySizes),a.removeEventListener("lazyunveilread",c,!0)};b=b.bind(null,a,a.document),"object"==typeof module&&module.exports?b(require("lazysizes")):a.lazySizes?c():a.addEventListener("lazyunveilread",c,!0)}(window,function(a,b,c){"use strict";if(a.addEventListener){var d=c.cfg,e=/\s+/g,f=/\s*\|\s+|\s+\|\s*/g,g=/^(.+?)(?:\s+\[\s*(.+?)\s*\])(?:\s+\[\s*(.+?)\s*\])?$/,h=/^\s*\(*\s*type\s*:\s*(.+?)\s*\)*\s*$/,i=/\(|\)|'/,j={contain:1,cover:1},k=function(a){var b=c.gW(a,a.parentNode);return(!a._lazysizesWidth||b>a._lazysizesWidth)&&(a._lazysizesWidth=b),a._lazysizesWidth},l=function(a){var b;return b=(getComputedStyle(a)||{getPropertyValue:function(){}}).getPropertyValue("background-size"),!j[b]&&j[a.style.backgroundSize]&&(b=a.style.backgroundSize),b},m=function(a,b){if(b){var c=b.match(h);c&&c[1]?a.setAttribute("type",c[1]):a.setAttribute("media",d.customMedia[b]||b)}},n=function(a,c,h){var i=b.createElement("picture"),j=c.getAttribute(d.sizesAttr),k=c.getAttribute("data-ratio"),l=c.getAttribute("data-optimumx");c._lazybgset&&c._lazybgset.parentNode==c&&c.removeChild(c._lazybgset),Object.defineProperty(h,"_lazybgset",{value:c,writable:!0}),Object.defineProperty(c,"_lazybgset",{value:i,writable:!0}),a=a.replace(e," ").split(f),i.style.display="none",h.className=d.lazyClass,1!=a.length||j||(j="auto"),a.forEach(function(a){var c,e=b.createElement("source");j&&"auto"!=j&&e.setAttribute("sizes",j),(c=a.match(g))?(e.setAttribute(d.srcsetAttr,c[1]),m(e,c[2]),m(e,c[3])):e.setAttribute(d.srcsetAttr,a),i.appendChild(e)}),j&&(h.setAttribute(d.sizesAttr,j),c.removeAttribute(d.sizesAttr),c.removeAttribute("sizes")),l&&h.setAttribute("data-optimumx",l),k&&h.setAttribute("data-ratio",k),i.appendChild(h),c.appendChild(i)},o=function(a){if(a.target._lazybgset){var b=a.target,d=b._lazybgset,e=b.currentSrc||b.src;if(e){var f=c.fire(d,"bgsetproxy",{src:e,useSrc:i.test(e)?JSON.stringify(e):e});f.defaultPrevented||(d.style.backgroundImage="url("+f.detail.useSrc+")")}b._lazybgsetLoading&&(c.fire(d,"_lazyloaded",{},!1,!0),delete b._lazybgsetLoading)}};addEventListener("lazybeforeunveil",function(a){var d,e,f;!a.defaultPrevented&&(d=a.target.getAttribute("data-bgset"))&&(f=a.target,e=b.createElement("img"),e.alt="",e._lazybgsetLoading=!0,a.detail.firesLoad=!0,n(d,f,e),setTimeout(function(){c.loader.unveil(e),c.rAF(function(){c.fire(e,"_lazyloaded",{},!0,!0),e.complete&&o({target:e})})}))}),b.addEventListener("load",o,!0),a.addEventListener("lazybeforesizes",function(a){if(a.detail.instance==c&&a.target._lazybgset&&a.detail.dataAttr){var b=a.target._lazybgset,d=l(b);j[d]&&(a.target._lazysizesParentFit=d,c.rAF(function(){a.target.setAttribute("data-parent-fit",d),a.target._lazysizesParentFit&&delete a.target._lazysizesParentFit}))}},!0),b.documentElement.addEventListener("lazybeforesizes",function(a){!a.defaultPrevented&&a.target._lazybgset&&a.detail.instance==c&&(a.detail.width=k(a.target._lazybgset))})}});