function noPercent(x)
{
	x = unescape(x);
	return x.replace(/\+/g," ").replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function readCookie(name) {	
	var nameRegex = new RegExp("(?:;\\s|^)" + name + "=([^;]+)"), nameValue;
	nameValue = nameRegex.exec(document.cookie);				
	return nameValue && nameValue[1];
}

function sleuth() {
	var cpcValue = "cpc - ", userdef, cpcregexp, ref, re, searchq;
	if (location.search.indexOf("gclid") !== -1 || location.search.indexOf("cpc") !== -1) {	
		userdef = readCookie("__utmv");
		cpcregexp = new RegExp(/^cpc - /);
		if (!userdef || !cpcregexp.exec(userdef)) {
			ref = document.referrer;
			re = new RegExp(/(?:\?|&)(?:q|p|query|encquery|qt|terms|rdata|qs|wd|text|szukaj|k|searchExpr|search_for|string|search_query|searchfor)=([^&]+)/);
			searchq = re.exec(ref);
			if (searchq) { 
				cpcValue += noPercent(searchq[1]);
			} else {
				cpcValue += "Paid Referral: "; 
				cpcValue += ref;
			}
			pageTracker._setVar(cpcValue);
		}
	}
}