function getCookie(cname) {
  let name = cname + "=";
  let ca = document.cookie.split(';');
  for(let i = 0; i < ca.length; i++) {
    let c = ca[i];
    while (c.charAt(0) == ' ') {
      c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}
function setCookie(cname, cvalue, exdays) {
  const d = new Date();
  d.setTime(d.getTime() + (exdays*24*60*60*1000));
  let expires = "expires="+ d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}
  function makeid() {
  return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
    (+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
  );
}

if(getCookie('iid')) {
  var iid = getCookie('iid');
} else {
  var iid = makeid(10);
  setCookie('iid', iid, 1);
}
ire('identify', {'customerId': '', 'customerEmail': '', 'customProfileId': iid});