var ydlVisitTypeCookieTTL = 14; // days
var ydlVisitTypeCookieName = 'vt';
var ydlPUT = 'p';
var ydlUUT = 'u';

function matchURL(detectionKey) {
	if(detectionKey == null) return true;
	var urlParts = window.location.pathname.split('/');
	if(urlParts && urlParts.length > 0) {
		if(urlParts[1] == detectionKey) return true;
	}
	return false;
}

function matchQueryString(detectionKey, detectionKeyValue) {
	if(detectionKey == null) return true;
	var queryString = window.location.search;
	if(queryString && queryString.length > 0) {
		queryString = queryString.substr(1);
		var pairs = queryString.split('&');
		if(pairs && pairs.length > 0) {
			for(var i=0; i<pairs.length; i++) {
				var keyVal = pairs[i].split('=');
				if(keyVal && keyVal.length == 2) {
					if(keyVal[0] == detectionKey) {
						if(detectionKeyValue == null) return true;
						if(keyVal[1] == detectionKeyValue) return true;
					}
				}
			}
		}
	}
	return false;
}


function createCookie(name,value,days,path,domain,secure) {
	var cookie_string = name + "=" + escape(value);
	if(days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		cookie_string += "; expires="+date.toGMTString();
	}
	if(path)   cookie_string += "; path=" + escape ( path );
	if(domain) cookie_string += "; domain=" + escape ( domain );
	if(secure) cookie_string += "; secure";
	document.cookie = cookie_string;
}


function readCookie (name) {
  var results = document.cookie.match ( '(^|;) ?' + name + '=([^;]*)(;|$)' );
  if ( results ) return ( unescape ( results[2] ) );
  else return null;
}

function getBaseDomain(){
	var domainParts = document.domain.split(/\./);
	if(domainParts.length > 1) {
	    return(domainParts[domainParts.length-2] + "." +  domainParts[domainParts.length-1]);
	} else {
	    return(document.domain);
	}
}

function detectVisitType() {
	var matched = matchQueryString('provider', null);
	if(matched) return ydlPUT;
	return ydlUUT;
}


	var BrowserDetect = {
			init: function () {
				this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
				this.version = this.searchVersion(navigator.userAgent)
					|| this.searchVersion(navigator.appVersion)
					|| "an unknown version";
				this.OS = this.searchString(this.dataOS) || "an unknown OS";
			},
			searchString: function (data) {
				for (var i=0;i<data.length;i++)	{
					var dataString = data[i].string;
					var dataProp = data[i].prop;
					this.versionSearchString = data[i].versionSearch || data[i].identity;
					if (dataString) {
						if (dataString.indexOf(data[i].subString) != -1) {
							if(data[i].notInclude) {
								if(dataString.indexOf(data[i].notInclude) == -1) {
									return data[i].identity;
								}
							} else {
								return data[i].identity;
							}
						}
					}
					else if (dataProp)
						return data[i].identity;
				}
			},
			searchVersion: function (dataString) {
				var index = dataString.indexOf(this.versionSearchString);
				if (index == -1) return;
				return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
			},
			dataBrowser: [
				{ 	string: navigator.userAgent,
					subString: "OmniWeb",
					versionSearch: "OmniWeb",
					identity: "OmniWeb"
				},
				{
					string: navigator.vendor,
					subString: "Apple",
					identity: "Safari"
				},
				{
					prop: window.opera,
					identity: "Opera"
				},
				{
					string: navigator.vendor,
					subString: "iCab",
					identity: "iCab"
				},
				{
					string: navigator.vendor,
					subString: "KDE",
					identity: "Konqueror"
				},
				{
					string: navigator.vendor,
					subString: "Camino",
					identity: "Camino"
				},
				{
					string: navigator.userAgent,
					subString: "MSIE",
					identity: "IE",
					versionSearch: "MSIE"
				},
				{	/* for newer Netscapes (6+)*/
					string: navigator.userAgent,
					subString: "Navigator",
					identity: "Netscape",
					versionSearch: "Navigator"
				},
				{ 	/* for older Netscapes (4-) */
					string: navigator.userAgent,
					subString: "Mozilla",
					identity: "Netscape",
					notInclude: "Firefox",
					versionSearch: "Mozilla"
				},
				{
					string: navigator.userAgent,
					subString: "Firefox",
					identity: "Firefox"
				},
				{
					string: navigator.userAgent,
					subString: "Gecko",
					identity: "Mozilla",
					notInclude: "Firefox",
					versionSearch: "rv"
				},

			],
			dataOS : [
				{
					string: navigator.platform,
					subString: "Win",
					identity: "Windows"
				},
				{
					string: navigator.platform,
					subString: "Mac",
					identity: "Mac"
				},
				{
					string: navigator.platform,
					subString: "Linux",
					identity: "Linux"
				}
			]

		};
	BrowserDetect.init();
	
	var PING_FREQUENCY_MS = 5000;
	var PINGER_TIMEOUT_MS = 1800000; // 30 mins

	var Pinger = {
	        ping : function(url) { Pinger.doPing(url, new Date().getTime()); },
	        doPing : function(url, timeStartedMs) {
	                Pinger.makePingRequest(url + '&rnd=' + Math.floor(Math.random() * 1000000));
	                var timePassed = new Date().getTime() - timeStartedMs;
	                if (timePassed <= PINGER_TIMEOUT_MS) {
	                        var waitMs;
	                        if (timePassed < 3000) waitMs = 3000;
	                        else if (timePassed >= 3000 && timePassed < 11000) waitMs = 5000;
	                        else if (timePassed >= 11000 && timePassed < 30000) waitMs = 10000;
	                        else waitMs = 30000;
	                        setTimeout(function() {Pinger.doPing(url, timeStartedMs)}, waitMs);
	                }
	        },
	        makePingRequest : function(url) {
	                var pixelId = "magicPingingPixel";
	                var pingImage = document.getElementById(pixelId);
	                if (!pingImage) document.writeln('<img id="' + pixelId + '" width="1" height="1" border="0" src="#"/>');
	                pingImage = document.getElementById(pixelId);
	                pingImage.src = url;
	        }
	};

	var ydlPixelUrl = 'http://labs.natpal.com/trk/pixel?trackid=' +
			          '&trkDomain=1800gotjunk.com' +
			          '&referrer='        + escape(document.referrer) +
			          '&pageVisited='     + escape(location.href) +
			          '&browser='   	  + escape(BrowserDetect.browser) +
			          '&browserVersion='  + escape(BrowserDetect.version) +
			          '&OS='    		  + escape(BrowserDetect.OS) +
			          '&maxHeight='       + escape(window.screen.availHeight) +
			          '&maxWidth='        + escape(window.screen.availWidth);
	
	var eventUrl = 'http://labs.natpal.com/cvevt?trkDomain=1800gotjunk.com';
	
	if(typeof(gPrimaryAttr)   != "undefined" && gPrimaryAttr != null)  ydlPixelUrl += '&primaryAttrib='   + escape(gPrimaryAttr);
	if(typeof(gSecondaryAttr) !=  "undefined" && gSecondaryAttr != null) ydlPixelUrl += '&secondaryAttrib=' + escape(gSecondaryAttr);
	
	var ydlCookieName = 'yodle.jagid';
	var jagId = null;
	var jagLandingPage = false;
	
	var jagId = readCookie(ydlCookieName);		
	var queryJagId = getJagIdFromQuery();	
	if(queryJagId) jagLandingPage = true;
	
	if(queryJagId && (jagId != queryJagId)) {
		jagId = queryJagId;
		createCookie(ydlCookieName, jagId, 30, '/', '.' + getBaseDomain());	
	} 

	if(jagId) {
		loadPixel(jagId);
		if(jagLandingPage) Pinger.ping(ydlPixelUrl + '&ping=true&jagId='+jagId, PING_FREQUENCY_MS);
	}

	function getJagIdFromQuery() {
		var params = parseQueryString(location.search);
		return params['jagId'];
	}
	
	function parseQueryString(queryString) {
		if(queryString.charAt(0) == '?') queryString = queryString.substring(1, queryString.length);
		var params = {};
		var paramPairs = queryString.split('&');
		if(paramPairs != null) {
			for(var i=0; i<paramPairs.length; i++) {
				var nameValue = paramPairs[i].split('=');
				params[nameValue[0]] = nameValue[1];
			}
		}
		return params;
	}

	function createCookie(name,value,days,path,domain,secure) {
		var cookie_string = name + "=" + escape(value);
		if(days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			cookie_string += "; expires="+date.toGMTString();
		}
		if(path)   cookie_string += "; path=" + escape ( path );
		if(domain) cookie_string += "; domain=" + escape ( domain );
		if(secure) cookie_string += "; secure";
		document.cookie = cookie_string;
	}


	function readCookie (name) {
	  var results = document.cookie.match ( '(^|;) ?' + name + '=([^;]*)(;|$)' );
	  if ( results ) return ( unescape ( results[2] ) );
	  else return null;
	}
	
	function getBaseDomain(){
		var domainParts = document.domain.split(/\./);
		if(domainParts.length > 1) {
		    return(domainParts[domainParts.length-2] + "." +  domainParts[domainParts.length-1]);
		} else {
		    return(document.domain);
		}
	}

	
	function loadPixel(jagId) {
		var url = ydlPixelUrl + '&jagId='+ escape(jagId);
		document.writeln('<img width="1" height="1" border="0" src="' + url + '"/>');
	}

	var ConversionEventTracker = {
		pixelId: "magicEventTrackingPixel",
		init: function() {
			document.writeln('<img id="' + ConversionEventTracker.pixelId + '" width="1" height="1" border="0" src="#"/>');
		},
		trackEvent : function(type) {
		    var eventImage = document.getElementById(ConversionEventTracker.pixelId);
		    eventImage.src = eventUrl + '&convEventType=' + type;
		}
	};
	ConversionEventTracker.init();