var hasAffiliateParam = window.location.href.indexOf("ref") > -1;
var affiliateId = null;
if (hasAffiliateParam) {
  var queryString = window.location.href.split("?")[1];
  queryString = queryString.split("#")[0];
  var arr = queryString.split("&");
  for (var i = 0; i < arr.length; i++) {
    var keyAndValue = arr[i].split("=")
    if (keyAndValue[0] === "ref") {
      affiliateId = keyAndValue[1];
      break;
    }
  }
}

function setCookie(cname, cvalue, exdays) {
  var d = new Date();
  d.setTime(d.getTime() + (exdays*24*60*60*1000));
  var expires = "expires="+ d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

if (affiliateId) {
  setCookie("affwp_ref", affiliateId, 365)
}