// JavaScript Document
// U-Pro tracking script v3.0 Please do not remove or alter in any way 

function setTestName() {
	
	var qName = QueryString("tn");

// Removed dynamic naming because it seems to be causing double views
/*	var testName = "vertster";
	
	if (qName == null)
		return testName;
	else  
*/
	return qName;
}

function setCreativeID() {
	
	var qryID = QueryString("creativeID");
	var varID = thisCreative_ID;
	
	
	// check and see if there is a queryid if null use explicit varID
	// otherwise use the query id
	if (qryID == null)
		return varID;
	else
		return qryID;
}

function setCookie(NameOfCookie, value, expiredays, thepath, thedomain) {
	var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
	document.cookie = NameOfCookie + "=" + escape(value) +
		 ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString()) + 
		 ((thepath == null) ? "" : "; path=" + thepath ) +
		 ((thedomain == null) ? "" : "; domain=" + thedomain );
}

function getCookie(NameOfCookie){
	
	if (document.cookie.length > 0) { 
		begin = document.cookie.indexOf(NameOfCookie+"="); 
		if (begin != -1) { 
			begin += NameOfCookie.length+1; 
			end = document.cookie.indexOf(";", begin);
			if (end == -1) end = document.cookie.length;
				return unescape(document.cookie.substring(begin, end));
		} 
	}
return null;
}

//
// QueryString
//

function QueryString(key)
{
	var value = null;
	for (var i=0;i<QueryString.keys.length;i++)
	{
		if (QueryString.keys[i]==key)
		{
			value = QueryString.values[i];
			break;
		}
	}
	return value;
}
QueryString.keys = new Array();
QueryString.values = new Array();

function QueryString_Parse()
{
	var query = window.location.search.substring(1);
	var pairs = query.split("&");
	
	for (var i=0;i<pairs.length;i++)
	{
		var pos = pairs[i].indexOf('=');
		if (pos >= 0)
		{
			var argname = pairs[i].substring(0,pos);
			var value = pairs[i].substring(pos+1);
			QueryString.keys[QueryString.keys.length] = argname;
			QueryString.values[QueryString.values.length] = value;		
		}
	}

}

QueryString_Parse();

function trackit(cookie_Name, creative_ID, cookie_Days, cookie_Path, cookie_Domain){
	
	// check for incoming vars, if not set to default value
	//if (creative_ID == null) {
	//	cookie_Name = "vertster"
	//}
		 
 	// declare variable names 
	var randomNum = Math.floor((Math.random() * 1000000000));
	
	// If cookie_Name/testname is null it is indicative of a second or direct visit
	// so only process the view if it is not null
	if (cookie_Name != null) {
		var firsttime = getCookie(cookie_Name);
		
		// if its the first view, set the cookie, otherwise return
		if (firsttime == null) {
			setCookie(cookie_Name, randomNum, cookie_Days, cookie_Path, cookie_Domain);
			
			// serve invisible images to page
			if (document.referrer&&document.referrer!="")
				document.write("<img height=1 width=1 src=" + "'http://www.vertster.com/convert/aOnec.asp?trackID=" + randomNum + "&source=" + creative_ID + "&kw=" + QueryString("kw")+ "&ref=" + escape(document.referrer) + "'>");
			else
				document.write('<img height=1 width=1 src="http://www.vertster.com/convert/aOnec.asp?trackID=' + randomNum + '&source=' + creative_ID + '&ref=none">'); 
		}
	}
	return; 
}

function doesitexist(cookie_Name) {

	var theCookie = getCookie(cookie_Name);
	if (theCookie == null) 
		return false;
	else
		return true;
}


function convertit(cookie_Name) {
	
	var cookietoConvert = cookie_Name;
	if (doesitexist(cookie_Name) == false)
		cookietoConvert = "vertster"
	
	var cookieID = getCookie(cookietoConvert);
	document.write("<img height=1 width=1 src=" + "'http://www.vertster.com/convert/actionTwo.asp?trackID=" + cookieID + "'>");
	
}

function convertit2(cookie_Name,conversion_Value) {
	
	var cookietoConvert = cookie_Name;
	if (doesitexist(cookie_Name) == false)
		cookietoConvert = "vertster"
	
	var cookieID = getCookie(cookietoConvert);
	document.write("<img height=1 width=1 src=" + "'http://www.vertster.com/convert/aThree.asp?trackID=" + cookieID + "&value=" + conversion_Value + "'>");
	
}