var x = get_cookie("refUrl");
    var y = get_cookie("qVars");
    var q = window.location.search.substring(1);

    function get_cookie(cookie_name) {
       var results = document.cookie.match ('(^|;) ?' + cookie_name + '=([^;]*)(;|$)');
       if (results)
          return (unescape(results[2]));
       else
          return null;
    }

    if (x == null) {
       if (document.referrer != "") {
             document.cookie = "refUrl=refUrl=" + document.referrer +";path=/";
          }   
    }

    if (q != "") {
       if (y != null) {
          var strExists = y.indexOf(q) != -1 
          if (strExists == false) { 
             var newQ = y + "&" + q;
                document.cookie = "qVars=" + newQ +";path=/";
             }
          } else {
          document.cookie = "qVars=" + q +";path=/";
          }
    } 

   //    document.write("Referring Url coookie: " + get_cookie("refUrl"));
   //    document.write("<br />");
  //  document.write("Querystring Variables cookie: " + get_cookie("qVars"));