function determineCount () {
   var ref = document.referrer.toString();
   if ((ref.length > 0) && ((ref.indexOf("troon.org") < 0) && (ref.indexOf("troon.biz") < 0))) {
      return false;
   } else {
      return true;
   }
}
var usePageCounter = true;
if (parent.frames.length != 0) {
   usePageCounter = determineCount();
}