Pop.js dosyasındaki kod;
function makePopunder(e){function t(){try{h=Math.floor(document.cookie.split(b+"Cap=")[1].split(";")[0])}catch(e){}return h>=f||-1!==document.cookie.indexOf(b+"=")}function o(e,o,i,r,u,d){if(!t()){var w="toolbar=no,scrollbars=yes,location=yes,statusbar=yes,menubar=no,resizable=1,width="+i.toString()+",height="+r.toString()+",screenX="+u+",screenY="+d;document.onclick=function(i){if(!t()&&1!=window.pop_clicked&&!a(i)&&(window.pop_clicked=1,s=c.window.open(e,o,w))){var r=new Date;document.cookie=b+"=1;expires="+new Date(r.setTime(r.getTime()+m)).toGMTString()+";path=/",r=new Date,document.cookie=b+"Cap="+(h+1)+";expires="+new Date(r.setTime(r.getTime()+846e5)).toGMTString()+";path=/",n()}}}}function n(){try{s.blur(),s.opener.window.focus(),window.self.window.blur(),window.focus(),k.firefox&&i(),k.webkit&&r()}catch(e){}}function i(){var e=window.open("about:blank");e.focus(),e.close()}function r(){var e=document.createElement("a");e.href="about:blank",e.target="PopHelper",document.getElementsByTagName("body")[0].appendChild(e),e.parentNode.removeChild(e);var t=document.createEvent("MouseEvents");t.initMouseEvent("click",!0,!0,window,0,0,0,0,0,!0,!1,!1,!0,0,null),e.dispatchEvent(t),window.open("about:blank","PopHelper").close()}function a(e){var t=!1;return e=e||window.event,e.which?t=3==e.which:e.button&&(t=2==e.button),t}var c=top!=self&&"string"==typeof top.document.location.toString()?top:self,s=null,u=Math.floor(1e3*Math.random()+1),d=window.innerWidth,w=window.innerHeight,l=window.screenX,p=window.screenY,m=3600;m=1e3*m;var f=5e4,h=0,b="_.mypopunder",k=function(){var e=navigator.userAgent.toLowerCase(),t={webkit:/webkit/.test(e),mozilla:/mozilla/.test(e)&&!/(compatible|webkit)/.test(e),chrome:/chrome/.test(e),msie:/msie/.test(e)&&!/opera/.test(e),firefox:/firefox/.test(e),safari:/safari/.test(e)&&!/chrome/.test(e),opera:/opera/.test(e)};return t.version=t.safari?(e.match(/.+(?:ri)[\\/: ]([\\d.]+)/)||[])[1]:(e.match(/.+(?:ox|me|ra|ie)[\\/: ]([\\d.]+)/)||[])[1],t}();t()||o(e,u,d,w,l,p)}makePopunder("https://www.sitem.com/");