var siteID = "" + "50035";
var thirdPartyVisitorID = "" + "";
var thirdPartyVisitURL = "" + "";
var thirdPartyVisitReferrer = "" + "";
var imageForLogging = new Image();

function logVisit ()
{
	var referrer = escape(document.referrer);
	var merchantUrl = escape(document.URL);
	
	if ((document.URL.toLowerCase().indexOf("xcmpx") != -1) && document.images)
	{
		var visitorID = markVisitor(merchantUrl, referrer);
		
		var cookiesEnabled = (visitorID == getCookie ("VisitorID_" + siteID)) ? "1" : "0";
		var src = "http://tracking.roispy.com/scripts/track1/logevent.aspx?siteid=" + siteID + "&visitorid=" + visitorID + "&eventname=visit&saleamount=0&referrer=" + referrer + "&merchanturl=" + merchantUrl + "&cookiesenabled=" + cookiesEnabled;
		imageForLogging.src = src;
	}
}

function logSale (saleAmount)
{
	// First party cookies?
	var visitorID = getCookie ("VisitorID_" + siteID);
	var visitURL = getCookie ("VisitURL_" + siteID);
	var visitReferrer = getCookie ("VisitReferrer_" + siteID);
	
	// Third party cookies?
	if (visitorID == null)
	{
		visitorID = thirdPartyVisitorID;
		visitURL = thirdPartyVisitURL;
		visitReferrer = thirdPartyVisitReferrer;
	}
		
	if (visitorID != null && visitorID != "" && document.images)
	{
		var saleReferrer = escape(document.referrer);
		var saleURL = escape(document.URL);
		var src = "http://tracking.roispy.com/scripts/track1/logevent.aspx?siteid=" + siteID + "&visitorid=" + visitorID + "&eventname=sale&saleamount=" + saleAmount + "&referrer=" + visitReferrer + "&merchanturl=" + visitURL + "&saleurl=" + saleURL + "&salereferrer=" + saleReferrer + "&cookiesenabled=1";
		imageForLogging.src = src;
	}
}

function markVisitor (visitURL, visitReferrer)
{
	var visitorID = getCookie ("VisitorID_" + siteID);

	if (visitorID == null)
	{
		visitorID = uniqueID();
	}

	var expDate = new Date();
	expDate.setMonth(expDate.getMonth()+3);

	var merchantDomain = document.domain;
	if (!isIP(merchantDomain) && merchantDomain.indexOf(".",merchantDomain.indexOf(".") + 1) != -1)
		merchantDomain = merchantDomain.substring(merchantDomain.indexOf(".") + 1);

	// Netscape 6 should have a dot in front of the domain name
	if (navigator.userAgent.indexOf("Netscape6") != - 1 && !isIP(merchantDomain) && merchantDomain.length > 1 && merchantDomain[0] != '.')
		merchantDomain = "." + merchantDomain;
			
	// Netscape 4.08 and 4.78 should not have a domain specified at all
	if (navigator.userAgent.indexOf("Mozilla/4.08") != -1 || navigator.userAgent.indexOf("Mozilla/4.78") != -1)
	{
		setCookie ("VisitorID_" + siteID, visitorID, expDate, false, "/");
		setCookie ("VisitURL_" + siteID, visitURL, expDate, false, "/");
		setCookie ("VisitReferrer_" + siteID, visitReferrer, expDate, false, "/");
	}
	else
	{
		setCookie ("VisitorID_" + siteID, visitorID, expDate, false, "/", merchantDomain);
		setCookie ("VisitURL_" + siteID, visitURL, expDate, false, "/", merchantDomain);
		setCookie ("VisitReferrer_" + siteID, visitReferrer, expDate, false, "/", merchantDomain);
	}
	
	return visitorID;
}

function uniqueID()
{
	var ln = (100 + Math.floor(Math.random()*900)).toString();

	var ms = parseInt((new Date()).getTime()).toString();
	if (ms.length > 10)
		ms = ms.substring(ms.length-10);
    
	var rn = (100 + Math.floor(Math.random()*900)).toString();
    
	return (ln + ms + rn);
}

function setCookie (name, value, expires, secure, path, domain)
{
	document.cookie = name + "=" + escape(value) + 
                          ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
                          ((path == null) ? "" : ("; path=" + path)) +
                          ((domain == null) ? "" : ("; domain=" + domain)) + 
                          ((secure == true) ? "; secure" : "");
}

function getCookieVal (offset)
{
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1)
	{
		endstr = document.cookie.length;
	}	
	
	return unescape (document.cookie.substring(offset, endstr));
}

function getCookie (name)
{
	var arg = name + "=";
	
	var argLength = arg.length;
	var cookieLength = document.cookie.length;

	var i = 0;
	while (i < cookieLength)
	{
		var j = i + argLength;
		if (document.cookie.substring(i, j) == arg)
		{
			return getCookieVal(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0)
		{
			break;
		}
	}

	return null;
}

function isIP (domain)
{
	var dots = 0;
	var ip = true;

	for (i=0; i<domain.length && ip; i++)
	{
		if (domain.substring(i,i+1) <= '0' && domain.substring(i,i+1) >= '9' && domain.substring(i,i+1) != '.')
			ip = false;
		else if (domain.substring(i,i+1) == '.')
			dots++;	
	}
	
	if (dots != 3)
		ip = false;

	return ip;
}

function isSearchEngine (referrer)
{
	var seArray = new Array ("yahoo.", "msn.", "google.", "aol.com", "search.lycos.com", "altavista.com", "excite.com", "netscape.com", "ask.com", "overture.com", "about.com", "dmoz.org", "dogpile.com", "alltheweb.com", "looksmart.com", "search.com", "7search.com", "ixquick.com", "webcrawler.com", "mamma.com", "metacrawler.com", "teoma.com", "northernlight.com", "7metasearch.com", "bestsearch.com");
	var found = false;
	for (var i=0; i < seArray.length && !found; i++)
	{
		if (referrer.toLowerCase().indexOf(seArray[i]) != -1)
			found = true;
	}
	return found;	
}