var ref = document.referrer;
if(ref.indexOf('datameer.com') == -1){
  $.cookie("dm-ref", ref);
}

function readRef(){
  var ext = $.cookie("dm-ref");
  document.getElementById('00NA0000003BEWc').value = ext;
  
  var int = "";
  if(ref.indexOf('datameer.com') > -1){
    int = ref;
  }
  document.getElementById('lead_source').value = int;
}