function ztmc_imgSource(String_URL, String_SiteCode, String_CustomerGUID, Boolean_GetTotal) { 
	var strCurrentURL = document.URL;
	var strSource = String_URL;
	var strDocumentReferrer = document.referrer;
	var strKeyword = ztmc_parseQS(strCurrentURL,"kw");
	var strReferrer = ztmc_parseQS(strCurrentURL,"ref");
	var strSite = ztmc_parseQS(strCurrentURL,"site");
	
	//Not currently in use
	if((Boolean_GetTotal) && ("function" == typeof(ztmc_getTotal))) {
		strSource += ztmc_buildQS("cost", ztmc_getTotal());
	}
	
	//If 'site' variable not passed via URL_QueryString, use document.referrer
	if(strSite.length <= 0) strSite = encodeURIComponent(strDocumentReferrer);
	
	//If 'kw' and 'ref' not present; check the documentReferrer
	//	Occurs when the tracking script was omitted from the landing page
	if((strKeyword.length <= 0) && (strReferrer.length <= 0)) {
			strReferrer = ztmc_parseQS(strDocumentReferrer,"ref");
			strKeyword = ztmc_parseQS(strDocumentReferrer,"kw");
			//If referrer or keyword was salvaged, flag the error bit
			if((strReferrer.length > 0) || (strKeyword.length > 0))
				strSource += ztmc_buildQS("err", 1);
	}
	
	//Build return URL
	strSource += ztmc_buildQS("sc", String_SiteCode);
	strSource += ztmc_buildQS("cg", String_CustomerGUID);
	strSource += ztmc_buildQS("kw", strKeyword);
	strSource += ztmc_buildQS("ref", strReferrer);
	strSource += ztmc_buildQS("site",strSite);
	
	return strSource;
}

function ztmc_buildQS(String_Key, String_Val) { return "&"+String_Key+"="+String_Val;}

function ztmc_parseQS(String_In, String_Key) {
	var re = new RegExp("[?&]"+String_Key+"=(.*)(?=&|$)","i");
	var t = String_In.match(re);
	if (Array.prototype.isPrototypeOf(t)) {
		var str = t[1];
		if((i = str.indexOf("&")) > 0) str = str.substring(0,i);
		return str;
	} else {
		return "";
	}
}

function ztmc_ppc(String_URL, String_SiteCode, String_CustomerGUID, Boolean_GetTotal) {
	var sURL = ztmc_imgSource(String_URL, String_SiteCode, String_CustomerGUID, Boolean_GetTotal);
	try {document.write("<img border=\"0\" height=\"1\" width=\"1\" src=\"" +sURL+ "\" />");}
	catch(e) {}
}
function ztmc_ppc_frame(String_URL, String_SiteCode, String_CustomerGUID, Boolean_GetTotal) {
	var sURL = ztmc_imgSource(String_URL, String_SiteCode, String_CustomerGUID, Boolean_GetTotal);
	try {document.createStyleSheet(sURL);} 
	catch(e) {document.write("<img border=\"0\" height=\"1\" width=\"1\" src=\"" +sURL+ "\" />");}
}ztmc_ppc("https://www133.ssldomain.com/ztmc/ppc/img.asp?end=0","138","{D1B3FEDA-C9F9-4950-8490-0424D8A65488}",false);