function getReferrer() {

  var skipReferrer = false; // sometimes we want to skip the referrer, because onClick="document.location=" links create an empty referrer

  var allCookies = getCookies();

  for (var i in allCookies) {

    if (i == "referrerCookie") {

      if (allCookies["referrerCookie"].skipReferrer != undefined) {

        skipReferrer = true;

      }

      break;

    }

  }

  var theReferrer = "";

  var thisPageReferrer = document.referrer;

//alert("skip: "+skipReferrer);

  if ((/publicdashboards.com/i.test(thisPageReferrer)) || (skipReferrer)) {

    // previous page was visualcalc OR was told to skip logging the referrer.  so read from cookie

    for (var i in allCookies) {

      if (i == "referrerCookie") {

        theReferrer = allCookies["referrerCookie"].url;



        if (skipReferrer) {

          // clear the skip referrer tag

          var referrerCookie = new Object();

          referrerCookie.url = theReferrer;

//alert("do not override: "+referrerCookie.url);

          writeCookie("referrerCookie", referrerCookie);

        }



        break;

      }

    }

  } else {

    // previous page was not visualcalc. so remember

    theReferrer = thisPageReferrer;

    if (theReferrer == "") {

      //theReferrer = "N/A"; // in case you'd rather have a different value for empty

    }

    var referrerCookie = new Object();

    referrerCookie.url = theReferrer;

//alert("Override: "+referrerCookie.url);

    writeCookie("referrerCookie", referrerCookie);

  }

  return theReferrer;

}



function getReferrer_noOverRide() {

  var skipReferrer = false; // sometimes we want to skip the referrer, because onClick="document.location=" links create an empty referrer

  var allCookies = getCookies();

  for (var i in allCookies) {

    if (i == "referrerCookie") {

      if (allCookies["referrerCookie"].skipReferrer != undefined) {

        skipReferrer = true;

      }

      break;

    }

  }

  var theReferrer = "";

  var thisPageReferrer = document.referrer;



  for (var i in allCookies) {

    if (i == "referrerCookie") {

      theReferrer = allCookies["referrerCookie"].url;

      break;

    }

  }

  return theReferrer;

}



function skipReferrer() {

  // sometimes we want to skip the referrer, because onClick="document.location=" links create an empty referrer

  var theReferrer = getReferrer_noOverRide();

  var referrerCookie = new Object();

  referrerCookie.url = theReferrer;

  referrerCookie.skipReferrer = true;

  writeCookie("referrerCookie", referrerCookie);

}