var Sitester_average_number_of_executions = 1; // default 1; Raise this number to expose every N:th visitor to the survey (i.e. set to 10 and every 10th visitor is exposed etc.)

var Sitester_def_lang = "en"; // { "se", "en", "fi", "dk", "no", "de", "es", "pt", "cn", "ru", "fr", "it", "nl", etc}

var Sitester_swap_lang = ""; // { "", "se", "en", "fi", "dk", "no", "de", "es", "pt", "cn", "ru", "fr", "it", "nl", etc }

var Sitester_SurveyId = 1301; // Note! The Sitester Id for the survey.

var Sitester_sekunder1 = 600; // default 600; If the user in inactive longer than this timeinterval, [Sitester_sekunder2] must pass again before the user is exposed

var Sitester_sekunder2 = 120; // default 120; Seconds until the survey are exposed the first time.

var Sitester_sekunder3 = 7776000; // default 7776000; Once exposed. This is how many seconds until the user being exposed again.

var Sitester_sekunder4 = 31536000; // default 31536000; This is how many seconds until the exposure-memory cookies expire.

var Sitester_ExcludeURL = ""; // default ""; Add URLs or part of URLs that you want to exclude from the Survey separated by a comma ","









// Browser detection

var Sitester_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)

					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: "Chrome",

		    identity: "Chrome",

		    versionSearch: "Chrome"

		},

		{ 	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.userAgent,

			subString: "Firefox",

			identity: "Firefox"

		},

		{

			string: navigator.vendor,

			subString: "Camino",

			identity: "Camino"

		},

		{		

			string: navigator.userAgent,

			subString: "Netscape",

			identity: "Netscape"

		},

		{

			string: navigator.userAgent,

			subString: "MSIE",

			identity: "Explorer",

			versionSearch: "MSIE"

		},

		{

			string: navigator.userAgent,

			subString: "Gecko",

			identity: "Mozilla",

			versionSearch: "rv"

		},

		{ 		

			string: navigator.userAgent,

			subString: "Mozilla",

			identity: "Netscape",

			versionSearch: "Mozilla"



        }

	],

	dataOS : [

		{

			string: navigator.platform,

			subString: "Win",

			identity: "Windows"

		},

		{

			string: navigator.platform,

			subString: "Mac",

			identity: "Mac"

		},

		{

			string: navigator.platform,

			subString: "Linux",

			identity: "Linux"

		}

	]



};



function Sitester_Debug() 

{ 

	this.params = new Object();

	this.get=Sitester_Debug_get;	

	qs=location.search.substring(1,location.search.length);



	if (qs.length == 0)

		return;



	qs = qs.replace(/\+/g, ' ');

	var args = qs.split('&');

	

	for (var i=0;i<args.length;i++)

	{

		var value;

		var pair = args[i].split('=');

		var name = unescape(pair[0]);

		if (pair.length == 2)

			value = unescape(pair[1]);

		else

			value = name;		

		this.params[name] = value;

	}

}



function Sitester_Debug_get(key, default_)

{	

	if (default_ == null)

		default_ = null;	

	var value=this.params[key];

	if (value==null) value=default_;	

		return value;

}



function Sitester_RanLCase()

{

   return String.fromCharCode(97 + Math.round(Math.random() * 25));

}

function Sitester_RanUCase()

{

   return String.fromCharCode(65 + Math.round(Math.random() * 25));

}

function Sitester_r_nr()

{

	return Math.round((Math.random()*9))

}

function Sitester_Generate_guid()

{

	return "80b" + Sitester_r_nr() + Sitester_r_nr() + Sitester_r_nr() + Sitester_r_nr() + "-" + Sitester_RanLCase() + Sitester_r_nr() + Sitester_r_nr() + Sitester_r_nr() + "-" + Sitester_RanLCase() + Sitester_SurveyId + "-" + Sitester_r_nr() + Sitester_r_nr() + "-" + Sitester_r_nr() + Sitester_r_nr() + Sitester_RanLCase();

}



// Handle click on the layer

function Sitester_openWindow() 

{  

	var Sitester_ref = unescape(Sitester_getCookieValue(Sitester_strReferrer));

	var Sitester_guid = Sitester_Generate_guid();

	var Sitester_protocol = (("https:" == document.location.protocol) ? "https" : "http");

	var Sitester_Location = new String(window.location.href);



	window.open(Sitester_protocol + "://www.sitester.com/sform/start.asp?PK_Id=" + Sitester_guid + "&Language=" + Sitester_def_lang + "&SwapLanguage=" + Sitester_swap_lang + "&Sitester_loc=" + Sitester_Location + "&Sitester_ref=" + Sitester_ref + "", "", "scrollbars=yes,width=450,height=350");   	

	document.getElementById("Sitester").style.display="none"; 	

	

	// write LastExposure and Exposed

	if(Sitester_BrowserDetect.browser == "Safari")	

	{

		Sitester_setCookie(Sitester_strExposedDateTime, Sitester_strMacTime, Sitester_dat4);

	}

	else

	{

		Sitester_setCookie(Sitester_strExposedDateTime, Sitester_exposure_dat, Sitester_dat4);

	}	

	

	Sitester_setCookie(Sitester_strExposed, Sitester_strCookie, Sitester_dat4);



	// delete ActiveUser and Delay

	Sitester_deleteCookie(Sitester_strActiveUser);

	Sitester_deleteCookie(Sitester_strDelay);

	

	// remove the layer from all frames 	

	for(i=0; (i<parent.frames.length); i++)

	{

		if(parent.frames[i].document.getElementById("Sitester") != null)

		{

			parent.frames[i].document.getElementById("Sitester").style.display="none";

		}

	}

	

}



// Write layer 

function Sitester_Go()

{	

    var Sitester_protocol = (("https:" == document.location.protocol) ? "https" : "http");  

    	

	document.write("<div id='Sitester' title='Sitester' style='position: absolute; left:0; top:0; width:1024px; height:768px; z-index:9000; visibility: visible;'>");	

	document.write("<img src='" + Sitester_protocol + "://www.sitester.com/style/Sitesterlager50px.gif' width='1024' height='768' alt='Sitester' title='Sitester' onClick='Sitester_openWindow();'>");	

	document.write("</div>");

}



// Randomizer 

function Sitester_rnd(cases)

{

    var ranNum = Math.round( Math.random() * (cases-1) );    

    return (ranNum == 0);

}



// Cookie functions



// Set Cookie for Mac-Safari

function Sitester_setCookieSafari(name, value, expires, domain, secure) 

{ 

		var path = '/';

		

		var curCookie = name + "=" + escape(value) + 

		((expires) ? "; expires=" + expires.toGMTString() : "") + 

		((path) ? "; path=" + path : "") + 

		((domain) ? "; domain=" + domain : "") + 

		((secure) ? "; secure" : "");



		document.cookie = curCookie; 

}



// Set Cookie 

function Sitester_setCookie(name, value, expire)

{		

	// call the specialfunction for Cookies on Mac+Safari 

	if(Sitester_BrowserDetect.browser == "Safari")

	{		

		

		Sitester_setCookieSafari(name, value, expire, false, false); 

	}

	// other browsers 

	else

	{ 

		document.cookie = name + "=" + value + "; path=/" + "" + "; expires=" + expire.toGMTString();	

	}

}



// Set Cookie 

function Sitester_setSessionCookie(name, value)

{		

	// call the specialfunction for Cookies on Mac+Safari 

	if(Sitester_BrowserDetect.browser == "Safari")

	{		

		var domain = false;

		var secure = false;

		var expires = false;		

		var path = '/';

		

		var curCookie = name + "=" + escape(value) + 

		((expires) ? "; expires=" + expires.toGMTString() : "") + 

		((path) ? "; path=" + path : "") + 

		((domain) ? "; domain=" + domain : "") + 

		((secure) ? "; secure" : "");



		document.cookie = curCookie; 		

	}

	// other browsers 

	else

	{ 

		document.cookie = name + "=" + value + "; path=/" + "" + "; expires=";	

	}

}



// Get Cookie - checks if the cookie [Name] exists

function Sitester_getCookie(Name)

{		

	var search = Name + "=";

	if (document.cookie.length > 0)

	{

		offset = document.cookie.indexOf(search);

		if (offset !=-1)

		{

			offset += search.length;

			end = document.cookie.indexOf(";", offset);

			

			if (end == -1)

			{

				end = document.cookie.length;

			}			

			if (document.cookie.substring(offset, end) == Sitester_strCookie);

			{					

				return true;

			}

		}		

	}		

	return false;

}



// Gets the value for the cookie [Name] 

function Sitester_getCookieValue(Name)

{	

	var search = Name + "=";

	

	if (document.cookie.length > 0)

	{

		offset = document.cookie.indexOf(Name);

		if (offset !=-1)

		{

			offset += search.length;

			end = document.cookie.indexOf(";", offset);

			if (end == -1)

			{

				end = document.cookie.length;		

			}						

			return escape(document.cookie.substring(offset, end));

		}		

	}	

	return '';

}



function Sitester_deleteCookie(name) 

{ 

	var expire_IE=new Date();

	expire_IE.setTime(1);

	var expire_firefox=new Date("Thu Jan 01 00:00:01 1970");

	  

	// delete cookie for FireFox 

	if(Sitester_BrowserDetect.browser == "Firefox")

	{		

		if(Sitester_getCookie(name))

		{

			Sitester_setCookie(name, Sitester_strCookie, expire_firefox); 	

		}

	}

	// delete cookie for other browsers 	

	else

	{ 	

		if(Sitester_getCookie(name))

		{

			Sitester_setCookie(name, Sitester_strCookie, expire_IE); 	

		}

	}

}



// Calculates if the latests exposure has occured before todays date + the parameter time

function Sitester_checkTime(time)

{		

	var created_date = new Date();

	var current_date = new Date();	

	var search = Sitester_strExposedDateTime + "=";

	

	if (document.cookie.length > 0)

	{

		offset = document.cookie.indexOf(Sitester_strExposedDateTime);

		if (offset !=-1)

		{

			offset += search.length;

			end = document.cookie.indexOf(";", offset);

			if (end == -1)

			{

				end = document.cookie.length;		

			}

						

			current_date.getTime();			



			check_date = new Date(document.cookie.substring(offset, end));			

		

			if((check_date.getTime()+time*1000) < current_date.getTime())

			{					

				return true;

			}

		}		

	}	

	return false;

}





// Cookie variables

var Sitester_strCookie = "true";

var Sitester_strDelay = "Sitester_DelayId" + Sitester_SurveyId;

var Sitester_strActiveUser = "Sitester_ActiveUserId" + Sitester_SurveyId;

var Sitester_strExposed = "Sitester_ExposedId" + Sitester_SurveyId;

var Sitester_strExposedDateTime = "Sitester_ExposedDateTimeId" + Sitester_SurveyId;

var Sitester_strReferrer = "Sitester_Referrer" + Sitester_SurveyId;

var Sitester_strNth = "Sitester_Nth" + Sitester_SurveyId;



var Sitester_Trigger = false;

var Sitester_dat1 = new Date();

var Sitester_dat2 = new Date();

var Sitester_dat3 = new Date();

var Sitester_dat4 = new Date();

var Sitester_exposure_dat = new Date();

var Sitester_referrer = "";



///////////

// Start //

///////////



Sitester_BrowserDetect.init();



Sitester_Location = new String(window.location.href);

var Sitester_Debug_Opt = new Sitester_Debug();

var do_Sitester_Debug;

var Sitester_splitString = Sitester_ExcludeURL.split(",");

var Sitester_DoExclude = false



var Sitester_referrer = document.referrer;



if(Sitester_Debug_Opt.get("SitesterDebug") == "day8")

{

	do_Sitester_Debug = true;

	alert('Sitester_average_number_of_executions: ' +Sitester_average_number_of_executions+"\n"

			+'Sitester_def_lang: ' +Sitester_def_lang+"\n"

			+'Sitester_swap_lang: ' +Sitester_swap_lang+"\n"

			+'Sitester_SurveyId: ' +Sitester_SurveyId+"\n"

			+'Sitester_sekunder1: ' +Sitester_sekunder1+"\n"

			+'Sitester_sekunder2: ' +Sitester_sekunder2+"\n"

			+'Sitester_sekunder3: ' +Sitester_sekunder3+"\n"

			+'Sitester_sekunder4: ' +Sitester_sekunder4+"\n"

			+'Sitester_ExcludeURL: ' +Sitester_ExcludeURL+"\n");			

	Sitester_Go();

}



if(Sitester_ExcludeURL != "")

{

	for(i=0; i<(Sitester_splitString.length); i++)

	{	

		if(Sitester_Location.toLowerCase().indexOf(Sitester_splitString[i].toLowerCase()) > -1 && !Sitester_DoExclude)

		{			

			Sitester_DoExclude = true;

		}

		else

		{			

			Sitester_DoExclude = false;

		}

	}

}

else

{

	Sitester_DoExclude = false;

}



if (!Sitester_getCookie(Sitester_strNth))

{

    if (Sitester_rnd(Sitester_average_number_of_executions)) 

    {

        // show the survey this session        

	    Sitester_setSessionCookie(Sitester_strNth, true);

    }

    else

    {

        // dont show the survey this session         

	    Sitester_setSessionCookie(Sitester_strNth, false);	

    }

}



if(Sitester_DoExclude || do_Sitester_Debug || ( Sitester_getCookieValue(Sitester_strNth) == 'false' ))

{

	// dont run the script

}

else

{	

	// Delete cookies from v3-v6 

	if(Sitester_getCookie("BefInt"))

	{	

		Sitester_deleteCookie("BefInt");

		Sitester_deleteCookie("AllReady");

		Sitester_deleteCookie("Delay");

		Sitester_deleteCookie("LastExposure");

		Sitester_deleteCookie("Exposed");

	}

	if(Sitester_getCookie("LastExposure"))

	{	

		Sitester_deleteCookie("BefInt");

		Sitester_deleteCookie("AllReady");

		Sitester_deleteCookie("Delay");

		Sitester_deleteCookie("LastExposure");

		Sitester_deleteCookie("Exposed");

	}

	// Set the referrer cookie 

	if(!Sitester_getCookie(Sitester_strReferrer))

	{	   

		Sitester_setSessionCookie(Sitester_strReferrer, Sitester_referrer);

	}



	// If not ActiveUser and not Delay, = not inside the 2- or 10-minute interval 

	if(!Sitester_getCookie(Sitester_strActiveUser) && !Sitester_getCookie(Sitester_strDelay))

	{	

		// ActiveUser = true 

		Sitester_dat1.setTime(Sitester_dat1.getTime()+(Sitester_sekunder1*1000));

		Sitester_setCookie(Sitester_strActiveUser, Sitester_strCookie, Sitester_dat1);		

		

		// Delay = true 

		Sitester_dat2.setTime(Sitester_dat2.getTime()+(Sitester_sekunder2*1000));

		Sitester_setCookie(Sitester_strDelay, Sitester_strCookie, Sitester_dat2);			

	}



	// is there a Exposed-cookie? 

	if(Sitester_getCookie(Sitester_strExposed))

	{		

		// Is the time interval since the last exposure greater than Sitester_sekunder3? 

		if (Sitester_checkTime(Sitester_sekunder3))

		{			

			// ActiveUser = true 

			Sitester_dat1.setTime(Sitester_dat1.getTime()+(Sitester_sekunder1*1000));

			Sitester_setCookie(Sitester_strActiveUser, Sitester_strCookie, Sitester_dat1);	

			

			// Delay = true 

			Sitester_dat2.setTime(Sitester_dat2.getTime()+(Sitester_sekunder2*1000));

			Sitester_setCookie(Sitester_strDelay, Sitester_strCookie, Sitester_dat2);		

			

			// delete the Exposed-cookies 

			Sitester_deleteCookie(Sitester_strExposed);

			Sitester_deleteCookie(Sitester_strExposedDateTime);

		}		

	}

	// If no Exposed-Cookie exists 

	else

	{				

		// ActiveUser and no Delay ? 

		if (Sitester_getCookie(Sitester_strActiveUser) && !Sitester_getCookie(Sitester_strDelay))

		{				

			// Run the survey 

			Sitester_Trigger=true;

		}

	}



	// If not ActiveUser and the time interval since the last exposure is greater than Sitester_sekunder3 

	if (!Sitester_getCookie(Sitester_strActiveUser) && Sitester_checkTime(Sitester_sekunder1))

	{

		// Reset ActiveUser 

		Sitester_dat1.setTime(Sitester_dat1.getTime()+(Sitester_sekunder1*1000));

		Sitester_setCookie(Sitester_strActiveUser, Sitester_strCookie, Sitester_dat1);		

	}



	// Should the survey run? 

	if (Sitester_Trigger)

	{			

		Sitester_exposure_dat.setTime(Sitester_exposure_dat.getTime());		

		Sitester_dat4.setTime(Sitester_dat4.getTime()+(Sitester_sekunder4*1000));

		Sitester_strMacTime=Sitester_exposure_dat.getTime();		

				

		// Write the layer 

		Sitester_Go();					

	}

}