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"));