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 = "6";
var clientId = "6";
var clickFD = 0;
var clickAdMax = 5;
var clickDisplay = "css";
var fraudCSS = "<div id=\"fraud_win_shadow\" style=\"z-index: 900; filter: alpha(opacity=60); left: 0px; top: 0px; width: 100%; height: 100%; 	position: absolute; background-color: #e1e1e1; moz-opacity: 0.6; opacity: 0.6\" onClick=\"hideSayuWin();return false;\"></div><div id=\"fraud_win\" style=\"z-index: 1000; position: absolute; top: 95px; left: 155px; width: 622px; height: 366px; background: #dadada; border: 1px solid #cacaca;\"><div style=\"position: relative; bottom: 5px; right: 5px; width: 622px; height: 366px; background: #FFF8CA url(http://www.sayu.co.uk/images/bgr_div_small.gif) repeat-x top; border: 1px solid #00CBFC;\"><div align=\"right\"><a href=\"#\" onClick=\"hideSayuWin();return false;\"><img style=\"margin: 10px 10px 5px 0px;\" src=\"http://www.sayu.co.uk/images/button-close.gif\" width=\"18\" height=\"18\" border=\"0\" alt=\"\"></a></div><div style=\"padding: 0px 35px 0px 30px; font: 14px Arial, Helvetica, sans-serif; text-align:justify;\">Thank you for visiting our website - we are very glad you find it useful.<br><br>We have noticed that you have visited our site many times recently by clicking on adverts.  In order to keep costs down and make sure that we can pass the savings on to you, our customer, we would like to ask that you bookmark our site.<br><br>To bookmark our site, please <a href=\"javascript:window.external.AddFavorite(location.href, document.title);\" style=\"color: #468fd3; font: 14px Arial, Helvetica, sans-serif;\">click here</a>.<br><br>Please note that your IP address has been logged: 38.107.191.112</div><div align=\"right\"><a href=\"#\" onClick=\"hideSayuWin();return false;\"><img style=\"margin: 40px 40px 0px 0px;\" src=\"http://www.sayu.co.uk/images/button-continue_to_site.gif\" width=\"192\" height=\"45\" border=\"0\" alt=\"\"></a></div></div></div>";
var scriptURL = "http://www.sayutracking.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 tfParam = "";

	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 == "testfraud") {
					tfParam = paramValue;
				} else if (paramName == "sayu_vid") {
					visitId = paramValue;
				} else if (paramName == "sayu_vn") {
					visitNo = paramValue;
				} else if (paramName == "sayu_pv") {
					parentId = paramValue;
				} else if (paramName == "sayu_fl") {
					flParam = paramValue;
				} else if (paramName == "sayu_kw") {
					kwParam = paramValue;
				} else if (paramName == "sayu_ci") {
					ciParam = paramValue;
				} else if (paramName == "sayu_network") {
					networkParam = paramValue;					
				} else if (paramName == "fraud") {
					tfParam = paramValue;
				}
			}
		}
	} else {
		pageName = currentURL.substring(slashPosition + 1, currentURL.length);
	}
	
	if (visitId != "") {
		// Landing v2 code
		setSayuCookie("sessionVisit" + clientId, visitId, 0);
		
		if (visitNo != 0 && parentId != 0) {
			setSayuCookie("cookieVisit" + clientId, parentId + "|" + visitNo, 3600 * 24 * 366);
		}
		
		if (queryParams["clear_sayu_cookies"] && queryParams["clear_sayu_cookies"] == 1) {
			setSayuCookie("cookieAdClick" + clientId, "", 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);
			
			// 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 (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("sessionKw" + clientId, kwParam, 0);
			setSayuCookie("sessionFl" + clientId, flParam, 0);
			setSayuCookie("sessionCi" + clientId, ciParam, 0);
			setSayuCookie("sessionNetwork" + clientId, networkParam, 0);
		}
		
		if (tfParam != "") {
			if (tfParam == "redir") {
				parent.location.href = scriptURL + "fraud_win.php?client_id=" + clientId+ "&u=" + escape(urlParam) + "&tf=redir";
			} else if (tfParam == "popup") {
				var popupURL = scriptURL + "fraud_win.php?client_id=" + clientId+ "&u=" + escape(urlParam);
				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 != null && document.body.insertAdjacentHTML != null) {
					document.body.insertAdjacentHTML("afterBegin", fraudCSS);
				} else {
					document.write(fraudCSS);
				}
			}
		}
	} else {
		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++;
		}

		// 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);

		var fraudParam = 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);
		}
	
		var jsSrc = "landing2.js?client_id=" + clientId;
		jsSrc += "&vid=" + visitId;
		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);
			var sessFl = getSayuCookie("sessionFl" + clientId); 
			var sessKw = getSayuCookie("sessionKw" + clientId); 
			var sessCi = getSayuCookie("sessionCi" + clientId); 
			var sessNetwork = getSayuCookie("sessionNetwork" + clientId); 
			// pass fast link data only for new visit and new clicks
			if (sessFl != flParam || sessKw != kwParam || sessCi != ciParam) {
				jsSrc += "&fl=" + flParam + "&kw=" + escape(kwParam) + "&ci=" + ciParam + "&network=" + networkParam;
			}
		}
		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 (referrerURL != "") {
			jsSrc += "&tf=" + escape(tfParam);
		}
	
		document.write ("<script language=\"JavaScript\" src=\"http://www.sayutracking.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 (_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_ac", getSayuCookie("cookieAdClick" + clientId)); // ad clicks
		url = addSayuParam(url, "sayu_cn", getSayuCookie("sessionClick" + clientId)); // session click number

		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.sayutracking.co.uk/" + jsSrc + "\"></script>");
		var e = document.createElement("script");
	   	e.src = "http://www.sayutracking.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); 
			}
		}
		
	}
}