var userAgent = navigator.userAgent.toLowerCase();
	var isIE = ((userAgent.indexOf("msie") != -1) && (userAgent.indexOf("opera") == -1) && (userAgent.indexOf("webtv") == -1));
	var sayuHiddenObjects = new Array();
var clientId = "3130";
var clickFD = 0;
var clickAdMax = 5;
var clickDisplay = "css";
var fraudCSS = "";
var scriptURL = "http://www.sayu.co.uk/";

	var parentId = "";
	var visitId  = "";
	var visitNo  = "";
	var currentURL = parent.location.href;
	var pageURL = window.location.href;
	if (currentURL == "") {
		currentURL = pageURL;
	}
	var urlParam = currentURL;
	var referrerURL = parent.document.referrer;
	if (referrerURL == "") {
		referrerURL = document.referrer;
	}
	var queryParams = new Array();
	var kwParam = ""; var flParam = "";	var ciParam = ""; var networkParam = ""; var tfParam = ""; var kwIdParam = "";var pmParam = "";
	var visitId = getSayuCookie("sessionVisit" + clientId);
	var cookieVisit = getSayuCookie("cookieVisit" + clientId);
	if (cookieVisit != "") {
		var visitInfo = cookieVisit.split("|");
		parentId = visitInfo[0];
		visitNo = parseInt(visitInfo[1]);
	} else {
		visitNo = 0;
	}
	// new visit
	if (visitId == "") { 
		visitId = "0"; visitNo++;
	}
	// count clicks
	var clickNumber = parseInt(getSayuCookie("sessionClick" + clientId));
	if (isNaN(clickNumber) || clickNumber == "" || clickNumber == 0) { 
		clickNumber = 1; 
	} else {
		clickNumber = clickNumber + 1;
	}
	setSayuCookie("sessionClick" + clientId, clickNumber, 0);

	var dn            = getSayuDomain();
	var questionMark  = currentURL.indexOf("?");
	if (questionMark == -1) {
		questionMark  = currentURL.indexOf("#");
	}
	var slashPosition = currentURL.lastIndexOf("/");
	var pageName      = "";
	if (questionMark != -1) {
		pageName = currentURL.substring(slashPosition + 1, questionMark);
		var queryString = currentURL.substring(questionMark + 1, currentURL.length);
		var queryParts = queryString.split("&");
		for (var i = 0; i < queryParts.length; i++) {
			var paramName  = ""; var paramValue = "";
			var queryPart = queryParts[i];
			var equalSign = queryPart.indexOf("=");
			if (equalSign == -1) {
				paramName = queryPart;
			} else {
				paramName  = queryPart.substring(0, equalSign);
				if (paramName.length > 4 && paramName.substring(0, 4) == "amp;") {
					paramName = paramName.substring(4);
				}
				paramValue = unescape(queryPart.substring(equalSign + 1, queryPart.length));
				queryParams[paramName] = paramValue;
				if (paramName == "kw") {
					kwParam = paramValue;
				} else if (paramName == "fl" && flParam == "") {
					flParam = paramValue;
				} else if (paramName == "ci" && ciParam == "") {
					ciParam = paramValue;
				} else if (paramName == "network" && networkParam == "") {
					networkParam = paramValue;
				} else if (paramName == "pm" && pmParam == "") {
					pmParam = paramValue;
				} else if (paramName == "testfraud") {
					tfParam = paramValue;
				} else if (paramName == "OVKEY") {
					// Yahoo Search Marketing tracking
					kwParam = paramValue;
					//if (flParam == "") {
						flParam = 10000;
					//}
				} else if (paramName == "OVADID") {
					// Yahoo Search Marketing tracking
					ciParam = paramValue;
				} else if (paramName == "OVMTC") {
					// Yahoo Search Marketing tracking
					networkParam = (paramValue == "content")?"c":"s";
				} else if (paramName == "OVKWID") {
					kwIdParam = paramValue;
				}
			}
		}
	} else {
		pageName = currentURL.substring(slashPosition + 1, currentURL.length);
	}
	if (queryParams["clear_sayu_cookies"] && queryParams["clear_sayu_cookies"] == 1) {
		setSayuCookie("cookieAdClick" + clientId, "", 0);
		setSayuCookie("cookieFl" + clientId, "", 0);
		setSayuCookie("cookieKw" + clientId, "", 0);
		setSayuCookie("cookieCi" + clientId, "", 0);
		setSayuCookie("cookieNetwork" + clientId, "", 0);
		setSayuCookie("cookieKwId" + clientId, "", 0);
		setSayuCookie("cookiePm" + clientId, "", 0);
		setSayuCookie("sessionFl" + clientId, "", 0);
		setSayuCookie("sessionKw" + clientId, "", 0);
		setSayuCookie("sessionCi" + clientId, "", 0);
		setSayuCookie("sessionNetwork" + clientId, "", 0);
		setSayuCookie("sessionKwId" + clientId, "", 0);
		setSayuCookie("sessionPm" + clientId, "", 0);
	}
	var fraudParam = 0; var adClick = 0;
	if (queryParams["sayu_transfer"] && queryParams["sayu_transfer"] == 1) {
		// get transfered parameters
		visitId = queryParams["sayu_vid"];
		parentId = queryParams["sayu_pv"];
		visitNo = queryParams["sayu_vn"];
		setSayuCookie("sessionVisit" + clientId, visitId, 0);
		setSayuCookie("cookieVisit" + clientId, parentId + "|" + visitNo, 3600 * 24 * 366);
		// count clicks
		clickNumber = parseInt(queryParams["sayu_cn"]);
		clickNumber = clickNumber + 1;
		setSayuCookie("sessionClick" + clientId, clickNumber, 0);
		// save ad clicks info
		if (queryParams["sayu_ac"]) {
			setSayuCookie("cookieAdClick" + clientId, queryParams["sayu_ac"], 3600 * 24 * 366);
		}
		// save fast link info in cookies and session to prevent new visit record
		if (queryParams["sayu_fl"]) {
			setSayuCookie("cookieFl" + clientId, queryParams["sayu_fl"], 3600 * 24 * 366);
			setSayuCookie("sessionFl" + clientId, queryParams["sayu_fl"], 0);
		}
		if (queryParams["sayu_kw"]) {
			setSayuCookie("cookieKw" + clientId, queryParams["sayu_kw"], 3600 * 24 * 366);
			setSayuCookie("sessionKw" + clientId, queryParams["sayu_kw"], 0);
		}
		if (queryParams["sayu_ci"]) {
			setSayuCookie("cookieCi" + clientId, queryParams["sayu_ci"], 3600 * 24 * 366);
			setSayuCookie("sessionCi" + clientId, queryParams["sayu_ci"], 0);
		}
		if (queryParams["sayu_network"]) {
			setSayuCookie("cookieNetwork" + clientId, queryParams["sayu_network"], 3600 * 24 * 366);
			setSayuCookie("sessionNetwork" + clientId, queryParams["sayu_network"], 0);
		}
		if (queryParams["sayu_kwid"]) {
			setSayuCookie("cookieKwId" + clientId, queryParams["sayu_kwid"], 3600 * 24 * 366);
			setSayuCookie("sessionKwId" + clientId, queryParams["sayu_kwid"], 0);
		}
		if (queryParams["sayu_pm"]) {
			setSayuCookie("cookiePm" + clientId, queryParams["sayu_pm"], 3600 * 24 * 366);
			setSayuCookie("sessionPm" + clientId, queryParams["sayu_pm"], 0);
		}
	}

	if (flParam == "" && tfParam == "") { 
		// get for new visit old fast link data if its available
		flParam = getSayuCookie("cookieFl" + clientId); 
		kwParam = getSayuCookie("cookieKw" + clientId);
		ciParam = getSayuCookie("cookieCi" + clientId);
		networkParam = getSayuCookie("cookieNetwork" + clientId);
		kwIdParam = getSayuCookie("cookieKwId" + clientId);
		pmParam = getSayuCookie("cookiePm" + clientId);
	} else if ((getSayuCookie("sessionFl" + clientId) != flParam && referrerURL.indexOf("http") == 0 && referrerURL.indexOf(dn) == -1) 
		|| tfParam == "css" || tfParam == "redir" || tfParam == "popup") {
		adClick = parseInt(getSayuCookie("cookieAdClick" + clientId));
		if (isNaN(adClick) || adClick == "" || adClick == 0) { 
			adClick = 1; 
		} else {
			adClick = adClick + 1;
		}

		setSayuCookie("cookieAdClick" + clientId, adClick, 3600 * 24 * 366);
		if ((clickFD != 0 && adClick > clickAdMax) || tfParam == "css" || tfParam == "redir" || tfParam == "popup") {
			if (tfParam == "css" || tfParam == "redir" || tfParam == "popup") {
				clickDisplay = tfParam;
			}
			if (clickDisplay == "redir") {
				fraudParam = 1;
				if (tfParam == "redir") {
					parent.location.href = scriptURL + "fraud_win.php?client_id=" + clientId+ "&u=" + escape(urlParam) + "&tf=redir";
				}
			} else if (clickDisplay == "popup") {
				var popupURL = scriptURL + "fraud_win.php?client_id=" + clientId+ "&u=" + escape(urlParam);
				if (tfParam == "popup") { popupURL += "&tf=popup"; }
				var popupWin = window.open (popupURL, "fraudWin", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=350,height=250");
				popupWin.focus();
			} else { // css
				var topPos = 200; var leftPos = 300;
				var availWidth = window.screen.availWidth;
				if (availWidth && availWidth > 0) {
					leftPos = availWidth / 2 - 150;
				}
				sayuHideObjects();
        if (document.body.insertAdjacentHTML) {
          document.body.insertAdjacentHTML("afterBegin", fraudCSS);
				} else {
					document.write(fraudCSS);
				}
			}
		}
	}

	var jsSrc = "landing.js?client_id=" + clientId;
	jsSrc += "&vid=" + visitId;
	jsSrc += "&cn=" + clickNumber;
	if (flParam != "") {
		setSayuCookie("cookieKw" + clientId, kwParam, 3600 * 24 * 366);
		setSayuCookie("cookieFl" + clientId, flParam, 3600 * 24 * 366);
		setSayuCookie("cookieCi" + clientId, ciParam, 3600 * 24 * 366);
		setSayuCookie("cookieNetwork" + clientId, networkParam, 3600 * 24 * 366);
		setSayuCookie("cookieKwId" + clientId, kwIdParam, 3600 * 24 * 366);
		setSayuCookie("cookiePm" + clientId, pmParam, 3600 * 24 * 366);
		var sessFl = getSayuCookie("sessionFl" + clientId); 
		var sessKw = getSayuCookie("sessionKw" + clientId); 
		var sessCi = getSayuCookie("sessionCi" + clientId); 
		var sessNetwork = getSayuCookie("sessionNetwork" + clientId);
		var sessKwId = getSayuCookie("sessionKwId" + clientId); 
		var sessPm = getSayuCookie("sessionPm" + clientId); 
		// pass fast link data only for new visit and new clicks
		if (sessFl != flParam || sessKw != kwParam || sessCi != ciParam || sessNetwork != networkParam || sessPm != pmParam) {
			jsSrc += "&fl=" + flParam + "&kw=" + escape(kwParam) + "&ci=" + ciParam + "&network=" + networkParam;			
			jsSrc += "&kwid=" + kwIdParam + "&pm=" + pmParam + "&ac=" + adClick;
		}
	}
	if (parentId != "") {
		jsSrc += "&pv=" + parentId + "&vn=" + visitNo;
	}
	if (urlParam != "") {
		jsSrc += "&u=" + escape(urlParam);
		if (pageURL != "" && urlParam != pageURL) {
			jsSrc += "&p=" + escape(pageURL);
		}
	}
	if (referrerURL != "") {
		jsSrc += "&ref=" + escape(referrerURL);
	}
	if (fraudParam == 1) {
		jsSrc += "&fraud=1";
	}
	if (referrerURL != "") {
		jsSrc += "&tf=" + escape(tfParam);
	}
		document.write ("<script language=\"JavaScript\" src=\"http://www.sayu.co.uk/" + jsSrc + "\"></script>");
	function getSayuDomain()
	{
		var dn = document.domain;
		if (dn.substring(0,4)=="www." || dn.substring(0,4)=="ssl.") {
		 dn=dn.substring(4,dn.length);
		} else if (dn.substring(0,7)=="secure.") {
		 dn=dn.substring(7,dn.length);
		}
		return dn;
	}

	function sayuShowObjects(){
		if (sayuHiddenObjects && sayuHiddenObjects.length > 0) {
			for (var i = 0; i < sayuHiddenObjects.length; i++) {
				sayuHiddenObjects[i].style.visibility = "visible";
			}
		}
	}

	function sayuHideObjects(){
		if (isIE) {
			var objectsNames = new Array("select", "object", "iframe");
		} else {
			var objectsNames = new Array("object", "iframe");
		}
		for (n = 0; n < objectsNames.length; n++) {
			var objectName = objectsNames[n];
			var objects = document.getElementsByTagName(objectName);
			for (i = 0; i < objects.length; i++) {
				var objectControl = objects[i];
	  
				if (objectControl.style.visibility != "hidden") {
					sayuHiddenObjects[sayuHiddenObjects.length] = objectControl;
					objectControl.style.visibility = "hidden";
				}
			}
		}
	}


	function hideSayuWin()	{
		var winObj = document.getElementById("fraud_win");
		var shadowObj = document.getElementById("fraud_win_shadow");
		if (shadowObj) {
			shadowObj.style.display = "none"; 
		}
		if (winObj) {
			winObj.style.display = "none"; 
		}
		sayuShowObjects();
	}

	function setSayuCookie(name, value, seconds, path, domain, secure) 
	{
		var _ad = true; // auto set domain name
		var cookie = name + "=" + escape(value);
		if (seconds > 0) {
			var today = new Date();
			var expire = new Date();
			expire.setTime(today.getTime() + 1000 * seconds);
			cookie += "; expires=" + expire.toGMTString();
		}
		//if (path)   { cookie += "; path=" + path; }
		cookie += "; path=/";
		if (domain) { 
			cookie += "; domain=" + domain;
		} else if (typeof(__sayuCookieBaseDomain) != "undefined") {
			if (__sayuCookieBaseDomain != "") {
				cookie += "; domain=" +  __sayuCookieBaseDomain;
			}
		} else if (_ad) { 
		  var dn = getSayuDomain();
			if (dn != "localhost") {
				cookie += "; domain=" + dn; 
			}
		}
		if (secure) { cookie += "; secure"; }
		document.cookie = cookie;
	}


	function getSayuCookie(name) 
	{
		var dc = document.cookie;
		var prefix = name + "=";
		var begin = dc.indexOf("; " + prefix);
		if (begin == -1) {
			begin = dc.indexOf(prefix);
			if (begin != 0) return "";
		} else {
			begin += 2;
		}
		var end = document.cookie.indexOf(";", begin);
		if (end == -1) {
			end = dc.length;
		}
		return unescape(dc.substring(begin + prefix.length, end));
	}

	function transferSayuData(source, type) 
	{
		var url = "";
		if (type == "form") {
			url = source.action;
		} else if (type == "link") {
			url = source.href;
		} else {
			// string type processing
			url = source;
		}

		var parentId = ""; var visitNo  = "";
		var cookieVisit = getSayuCookie("cookieVisit" + clientId);
		if (cookieVisit != "") {
			var visitInfo = cookieVisit.split("|");
			parentId = visitInfo[0];
			visitNo = parseInt(visitInfo[1]);
		}

		url = addSayuParam(url, "sayu_transfer", "1");
		url = addSayuParam(url, "sayu_vid", getSayuCookie("sessionVisit" + clientId));
		url = addSayuParam(url, "sayu_pv", parentId); // parent visit
		url = addSayuParam(url, "sayu_vn", visitNo); // visit number
		url = addSayuParam(url, "sayu_fl", getSayuCookie("sessionFl" + clientId)); // fast link
		url = addSayuParam(url, "sayu_kw", getSayuCookie("sessionKw" + clientId)); // keyword
		url = addSayuParam(url, "sayu_ci", getSayuCookie("sessionCi" + clientId)); // creative id
		url = addSayuParam(url, "sayu_network", getSayuCookie("sessionNetwork" + clientId)); // network
		url = addSayuParam(url, "sayu_kwid", getSayuCookie("sessionKwId" + clientId)); // keyword id
		url = addSayuParam(url, "sayu_ac", getSayuCookie("cookieAdClick" + clientId)); // ad clicks
		url = addSayuParam(url, "sayu_cn", getSayuCookie("sessionClick" + clientId)); // session click number
		url = addSayuParam(url, "sayu_pm", getSayuCookie("sessionPm" + clientId)); // placement

		if (type == "form") {
			source.action = url;
		} else if (type == "link") {
			// string type processing
			source.href = url;
		} else {
			return url;
		}
	}

	function addSayuParam(url, newParamName, newParamValue)
	{
		var grateMark  = url.indexOf("#");
		var questionMark  = url.indexOf("?");
		var grateUrl = ""; var queryString = "";
		if (grateMark != -1) {
			grateUrl = url.substring(grateMark + 1, url.length);
			url = url.substring(0, grateMark);
		}
		if (questionMark != -1) {
			queryString = url.substring(questionMark + 1, url.length);
			url = url.substring(0, questionMark);
		}

		var i = 0; var newQueryString = ""; var newParamFound = false; 
		if (queryString.length > 0) {
			var queryParts = queryString.split("&");
			for (i = 0; i < queryParts.length; i++) {
				var paramName  = ""; var paramValue = "";
				var queryPart = queryParts[i];
				var equalSign = queryPart.indexOf("=");
				if (equalSign == -1) {
					paramName = queryPart;
				} else {
					paramName  = queryPart.substring(0, equalSign);
					paramValue = unescape(queryPart.substring(equalSign + 1, queryPart.length));
				}
				newQueryString += (i == 0) ? "?" : "&";
				newQueryString += paramName + "=";
				if (paramName == newParamName) {
					newQueryString += escape(newParamValue);
					newParamFound = true;
				} else {
					newQueryString += escape(paramValue);
				}
			}
		} 
		if (!newParamFound) {
			newQueryString += (i == 0) ? "?" : "&";
			newQueryString += newParamName + "=" + escape(newParamValue);
		}

		url += newQueryString;
		if (grateMark != -1) {
			url += "#" + grateUrl;
		}
		return url;
	}

	function sayuClearConvValue(value) {
		var _cv = "";
		var decimals = Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", ",", "-");
		var _cvLen = value.length;
		if (_cvLen > 0) {
			for(var i = 0; i < _cvLen; i++) {
				if (sayuLookUpElement(decimals, value.charAt(i)) >= 0) {
					_cv += value.charAt(i);
				}
			}
		}
		return _cv;
	}

	function sayuLookUpElement(arr, element) {
		if (arr != null) {
			for(i = 0; i < arr.length; i++) {
				if (arr[i] == element) {
					return i;
				}
			}
		}
		return -1;
	}

function sayuSaveConversion(_cvParam) {	
	var cvParam = parseFloat(sayuClearConvValue(_cvParam));
	var currDate = new Date();
	var cvT = parseInt(currDate.getTime()/1000);
	var sameCvValueDelay = 300;
	var zeroCvValueDelay = 120;
	var cookieConversion = getSayuCookie("cookieConversion" + clientId);

	var prevCv = 0;
	var prevT = 0;
	var cvInfo = cookieConversion.split("|");
	if (cvInfo.length == 2) {
		prevCv = parseFloat(cvInfo[1]);
		prevT = parseInt(cvInfo[0]);
	}
	var isConversion = true;
	if (cvParam == 0) {
		if (cvT - prevT < zeroCvValueDelay) {
			isConversion = false;
		}
	} else {
		if (cvParam == prevCv && cvT - prevT < sameCvValueDelay) {
			isConversion = false;
		}
	}

	if (isConversion) {
		var visitId = ""; var parentId = 0; var visitNo = 1;
		visitId = getSayuCookie("sessionVisit" + clientId);
		if (visitId == "") { visitId = 0; }
		var cookieVisit = getSayuCookie("cookieVisit" + clientId);
		if (cookieVisit != "") {
			var visitInfo = cookieVisit.split("|");
			parentId = visitInfo[0];
			visitNo = visitInfo[1];
		}
	
		var queryParams = new Array();
		var currentURL = parent.location.href;
		if (currentURL == "") {
			currentURL = window.location.href;
		}
		var questionMark = currentURL.indexOf("?");
		if (questionMark != -1) {
			var queryString = currentURL.substring(questionMark + 1, currentURL.length);
			var queryParts = queryString.split("&");
			for (var i = 0; i < queryParts.length; i++) {
				var paramName  = ""; var paramValue = "";
				var queryPart = queryParts[i];
				var equalSign = queryPart.indexOf("=");
				if (equalSign == -1) {
					paramName = queryPart;
				} else {
					paramName  = queryPart.substring(0, equalSign);
					paramValue = unescape(queryPart.substring(equalSign + 1, queryPart.length));
					queryParams[paramName] = paramValue;
					if (paramName == "cv") {
						cvParam = paramValue;
					} 
				}
			}
		}

		setSayuCookie("cookieConversion" + clientId, cvT + "|" + cvParam, 3600 * 24 * 366);	

		var jsSrc = "conversion.js?client_id=" + clientId;
		jsSrc += "&vid=" + visitId;
		jsSrc += "&pv=" + parentId + "&vn=" + visitNo;
		if (cvParam != "") {
			jsSrc += "&cv=" + cvParam;
		}
		if (currentURL != "") {
			jsSrc += "&u=" + escape(currentURL);
		}
		//document.write ("<script language=\"JavaScript\" src=\"http://www.sayu.co.uk/" + jsSrc + "\"></script>");
		var e = document.createElement("script");
	   	e.src = "http://www.sayu.co.uk/" + jsSrc;
   		e.type="text/javascript";
		var elements = document.getElementsByTagName("body");
		if (elements.length > 0) {
			var element = elements[0];
			if (element != null) {
   				element.appendChild(e); 
			}
		}
		
	}
}