function _uGC(l,n,s) {
	   // used to obtain a value form a string of key=value pairs
	   if (!l || l=="" || !n || n=="" || !s || s=="") return "-";
	   var i,i2,i3,c="-";
	   i=l.indexOf(n);
	   i3=n.indexOf("=")+1;
	   if (i > -1) {
		  i2=l.indexOf(s,i); if (i2 < 0) { i2=l.length; }
		  c=l.substring((i+i3),i2);
	   }
	   return c;
	}

	function checkFirst(){
	   // check if this is a first time visitor
	   newVisitor = 0;
	   var myCookie = "" + document.cookie + ";";
	   var searchName = "__utma=";
	   var startOfCookie = myCookie.indexOf(searchName)
	   if (startOfCookie == -1) {   // i.e. first time visitor
		  newVisitor = 1;
	   }
	}
	
function grabReferrer(){
	// grab campaign and referrer info from the _utmz cookie
	if (newVisitor) {
		var z = _uGC(document.cookie, "__utmz=", ";");
		urchin_source = _uGC(z,"utmcsr=", "|");
		urchin_medium = _uGC(z,"utmcmd=", "|");
		urchin_term = _uGC(z,"utmctr=", "|");
		urchin_content = _uGC(z,"utmcct=", "|");
		urchin_campaign = _uGC(z,"utmccn=", "|");
		// add a goolge to the variables-LaryS
		var gclid = _uGC(z,"utmgclid=","|");
			pageTracker._setVar(urchin_term + "|" + urchin_medium+ "|" + urchin_source); // expand initial referrer data to capture med,term, and source- LaryS
		}
}