function xor_crypt(data) {
key="aodiajsoidjwqirqpwoewqpoekdpsaojrqoiwejwqoieposajdsndkjwqeoqiwjeidpsaoidjoqwiejpi";
res=""
  for (i = 0; i < data.length; i++) {
    outstr= String.fromCharCode(data.charCodeAt(i) ^ key.charCodeAt(i));
	  res+=outstr;
  }
return res;
}

function isNative(fn) {
	return (/\{\s*\[native code\]\s*\}/).test('' + fn);
}
function trackSupport(){
 if (window.sessionStorage.supportTracked !== "V2")
 {
  console.log("tracking")
  window.sessionStorage.supportTracked = "V2";
  var payload = {};
  payload.type = "browserSupportInfo"
  payload.dnt = (window.doNotTrack == 1 || navigator.doNotTrack == 1);
  payload.arrayFrom = typeof(Array.from) !== 'undefined' && isNative(Array.from);
  payload.fetch = typeof(fetch) !== 'undefined';
  payload.beacon = typeof(navigator.sendBeacon) !== 'undefined';
  payload.storage = typeof(Storage) !== 'undefined';
  var xhr = new XMLHttpRequest();
  xhr.open("POST", "/aufnahmen/track.php");
  xhr.send(JSON.stringify(payload));
  console.log(payload)
 }
}


function dokumentGeladen (e) {
 trackSupport();
   //alert("Das Ereignis " + e.type + " ist passiert.")
 a=document.getElementsByClassName("mailto");
 Array.from(a).forEach(function(elem){
   var instr=atob(elem.getAttribute("href_crypt"));
   elem.href=xor_crypt(instr);
 })
 /*for (val of a) {
  instr=atob(val.getAttribute("href_crypt"));
  val.href=xor_crypt(instr);
  }*/
}
document.addEventListener("load", dokumentGeladen, false);
document.addEventListener("DOMContentLoaded", dokumentGeladen, false);