function getReferrerDomain()
{
	var domain = document.referrer;
	return domain.slice(domain.indexOf("//")+2, domain.indexOf("/", domain.indexOf("//")+2));
}

function updateCampaignCode()
{
	if(getReferrerDomain() == "answers.yahoo.com") {
		campaigncode = "DirectSales_CS";

		return true;
	}

	return false;
}

function getCampaignCode()
{
	if (getReferrerDomain() == "answers.yahoo.com") {
		return "DirectSales_CS";
	}
	
	return "";
}

updateCampaignCode();