https://www.iavceivolcano.org/template/js/flex-images.min.js

1var flexImages=function(){function e(e){function t(e,r,i,n){function o(e){i.maxRows&&g>i.maxRows||i.truncate&&e&&g>1?u[a][0].style.display="none":(u[a][4]&&(u[a][3].setAttribute("src",u[a][4]),u[a][4]=""),u[a][0].style.width=l+"px",u[a][0].style.height=m+"px",u[a][0].style.display="block")}for(var a,l,d,s,f=1,g=1,h=e.clientWidth-2,u=[],c=0,m=i.rowHeight,w=0;w<r.length;w++)if(u.push(r[w]),c+=r[w][2]+i.margin,c>=h){var l,x=u.length*i.margin,f=(h-x)/(c-x),m=Math.ceil(i.rowHeight*f),d=0;for(a=0;a<u.length;a++)l=Math.ceil(u[a][2]*f),d+=l+i.margin,d>h&&(l-=d-h),o();u=[],c=0,g++}for(a=0;a<u.length;a++)l=Math.floor(u[a][2]*f),s=Math.floor(i.rowHeight*f),o(!0);n||h==e.clientWidth||t(e,r,i,!0)}if(document.querySelector){var r={selector:0,container:".item",object:"img",rowHeight:180,maxRows:0,truncate:0};for(var i in e)e.hasOwnProperty(i)&&(r[i]=e[i]);for(var n="object"==typeof r.selector?[r.selector]:document.querySelectorAll(r.selector),o=0;o<n.length;o++){var a=n[o],l=a.querySelectorAll(r.container),d=[],s=(new Date).getTime();if("fluid"==e.rowHeight&&(a.clientWidth>900?r.rowHeight=Math.floor(a.clientWidth/5):r.rowHeight=180),l.length){var f=window.getComputedStyle?getComputedStyle(l[0],null):l[0].currentStyle;r.margin=(parseInt(f.marginLeft)||0)+(parseInt(f.marginRight)||0)+(Math.round(parseFloat(f.borderLeftWidth))||0)+(Math.round(parseFloat(f.borderRightWidth))||0);for(var g=0;g<l.length;g++){var h=l[g],u=parseInt(h.getAttribute("data-w")),c=h.querySelector(r.object),m=c.width,w=c.height,x=m*(r.rowHeight/w);d.push([h,u,x,c,c.getAttribute("data-src")])}t(a,d,r);var p=function(){t(a,d,r)};document.addEventListener?(window["flexImages_listener"+s]=p,window.removeEventListener("resize",window["flexImages_listener"+a.getAttribute("data-flex-t")]),delete window["flexImages_listener"+a.getAttribute("data-flex-t")],window.addEventListener("resize",window["flexImages_listener"+s])):a.onresize=p,a.setAttribute("data-flex-t",s)}}}}return e}();!function(){"function"==typeof define&&define.amd?define("flexImages",function(){return flexImages}):"undefined"!=typeof module&&module.exports?module.exports=flexImages:window.flexImages=flexImages}();