(function(){
	if(typeof jQuery!='undefined'){
		return startScript();
	}
	function getScript(url,success){
		var script=document.createElement('script');
		script.src=url;
		var head=document.getElementsByTagName('head')[0],done=false;
		script.onload=script.onreadystatechange=function(){if(!done&&(!this.readyState||this.readyState=='loaded'||this.readyState=='complete')){done=true;success();}};
		head.appendChild(script);
	} 
	
	getScript('http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js',function(){return startScript();});
	function startScript(){		
		(function ($) {
			var time = setTimeout(function () {setTimeout("startTrack()",1050);}, 0),
				lastelm = null;
			$.readyOrDone = function (fn) {
				var s = document.readyState, 
				getLast = function () {
					var elms = document.getElementsByTagName('*');
					return elms[elms.length - 1];
				};
                //alert("s"+s);
				if (s === 'complete') {
					$.ready(function () {setTimeout("startTrack()",1050);});
				} else if (typeof s === 'undefined') {
					lastelm = getLast();
					clearTimeout(time);
					time = setTimeout(function () {
						if (getLast() === lastelm && typeof document.readyState === 'undefined') {
							 $.ready(function () {setTimeout("startTrack()",1050);});
						}
					}, 1000);
				}
				$(fn);
			};
		})($);
	}
})();

var popBox = {
    width : 720,
    height : 500,
    featuredImage : "http://surveytool71.3s.se/popup/images/16632.png"
};

var w3c=(document.getElementById)? true: false;
var ns4=(document.layers)?true:false;
var ie5=(w3c && document.all && !window.opera)? true : false;
var ie6 = false /*@cc_on || @_jscript_version < 5.7 @*/;
var ie7 = (typeof document.body.style.maxHeight != "undefined" && document.all);
var strictMode = ((document.documentElement.clientWidth || document.documentElement.clientHeight) && (ie6 || ie7) && !window.opera) ? true : false;
var ns6=(w3c && !document.all)? true: false;

var windowWidth = ns6 ? window.innerWidth : document.body.clientWidth;
var windowHeight = ns6 ? window.innerHeight : document.body.clientHeight;
if (windowWidth == 0 || strictMode) windowWidth = document.documentElement.clientWidth;
if (windowHeight == 0 || strictMode)  windowHeight = document.documentElement.clientHeight;

var maximum_duration_in_days = 44640;
var minimum_number_of_visits = 1;
var delay_in_seconds = 1;
var interval_in_hours = 1;
var maximum_number_of_responses = 10000;
var visitorInterval = 1;
var sUrl = "http://surveytool.3s.se/?s=tetrapakpopup201004";
var pageviews = 200;

var micp = 16199;
var sid = 0;
var trackerName = "3stracker16199";
var rightNow = new Date();

if(window.console){
	console.log(trackerName);
}

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

function readCookie(name) {
	var nameCookie = name + "=";
	var cookieArray = document.cookie.split(';');
	for(var i=0;i < cookieArray.length;i++) {
		var cookie = cookieArray[i];
		while (cookie.charAt(0)==' ') cookie = cookie.substring(1,cookie.length);
		if (cookie.indexOf(nameCookie) == 0) return cookie.substring(nameCookie.length,cookie.length);
	}
	return null;
}

function makeKey (id,visit,view,time,flag,status) {
	var key = [id.toString(16),visit.toString(16),view.toString(16),time.toString(16),flag,status];
	return key.join(".");
}

function drawPopContainer() { //show the popup
    	var isMSIE = /*@cc_on!@*/false;
    $("html").css("overflow","hidden").css("position","fixed");
    $("body").css("overflow","hidden");
    
    var popupTop = ($(window).height() > popBox.height)?($(window).height()-popBox.height)/2:$(window).height()/3;
    var popupLeft = ($(window).width() > popBox.width)?($(window).width()-popBox.width)/2:$(window).width()/3;
    
    var popupTop = (windowHeight > popBox.height)?(windowHeight-popBox.height)/2:windowHeight/3;
    var popupLeft = (windowWidth > popBox.width)?(windowWidth-popBox.width)/2:windowWidth/3;
    
    $("body").prepend('<div id="cover" style="position:fixed; left:0; top:0; background-image:url(popup/images/cleardot.gif); background-color:Transparent;"><div id="3spop" style="width:'+popBox.width+'px;height:'+popBox.height+'px;border:0px;background-color:transparent;position:absolute;top:'+popupTop+'px;left:'+popupLeft+'px;z-index:9999"><div id="featureImage" style="width:'+popBox.width+'px;height:'+popBox.height+'px; background:transparent url(http://surveytool71.3s.se/popup/images/16632.png) no-repeat;"></div><div id="btnPanel" style="width:'+popBox.width+'px;height:86px;position:absolute;bottom:118px;left:0px;"><div id="yesBtn" style="float:left;cursor:pointer;position:absolute;top:81px;left:226px;width:100px;height:30px;" onClick="popClose(true);"></div><div id="noBtn" style="float:left;cursor:pointer;position:absolute;top:81px;left:394px;width:100px;height:30px;" onClick="popClose(false);"></div></div></div></div>');
    if(window.console){
        console.log("window height:"+$(window).height());
        console.log("document height:"+$(document.body).height());
        console.log("popbox height:"+popBox.height);
        console.log("window width:"+$(window).width());
        console.log("document width:"+$(document.body).width());
	    console.log("popbox width:"+popBox.width);
    }
	$("#cover").height($(window).height()).width($(window).width()+20);
    $(window).resize(function(){
  		$("#cover").height($(window).height()).width($(window).width()+20);
        $("#3spop").css("top",($(window).height()-$("#3spop").height())/2+"px").css("left",($(window).width()-$("#3spop").width())/2+"px");
	});
}

function popClose(hasAccepted) { //restore orginal page layout and remove popup
	var cookieStr = readCookie(trackerName);
	var value = cookieStr.split(".");
	sid = parseInt(value[0],16);
	var returns = parseInt(value[1],16);
	//var pageviews = parseInt(value[2],16);
	var lastTimeStamp = parseInt(value[3],16);
	var newKey = makeKey(sid,returns,pageviews,lastTimeStamp,1,(hasAccepted) ? 1:0);
	createCookie(trackerName,newKey,maximum_duration_in_days);
    
	if (hasAccepted) {
		$.getJSON("http://surveytool.3s.se/popup/setResponseCount.php?micp="+micp+"&sid="+sid+"&domain="+location.hostname+"&status=Y&jsoncallback=?",function (data) {
        	//save response
        });
		window.open(sUrl+"&pop="+sid,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=yes, width=800, height=600");
	} else {
		$.getJSON("http://surveytool.3s.se/popup/setResponseCount.php?micp="+micp+"&sid="+sid+"&domain="+location.hostname+"&status=N&jsoncallback=?",function (data) { 
			//save response
		});
	}
	$("#3spop").remove(); 
	$("#cover").remove();
    $("html").css("overflow","auto").css("position","relative");
    $("body").css("overflow","auto");
    }

function startTrack() {    
	if (readCookie(trackerName) == null) { //new visitor
    	//alert("New visitor (no cookie found)\nNew cookie added.");
		$.getJSON("http://surveytool.3s.se/popup/getNewSID.php?micp="+micp+"&domain="+location.hostname+"&now="+rightNow.getTime()+"&jsoncallback=?",function(data){
			sid = parseInt(data.sid); //getting a ungiue ID from surveytool
			if (sid > 0) { //if ID is valid i.e
            	
				var newKey = makeKey(sid,1,1,parseInt(rightNow.getTime()),0,0); //create a key for the cookie string
				createCookie(trackerName,newKey,maximum_duration_in_days); //create cookie
                //alert(minimum_number_of_visits);
				if (minimum_number_of_visits==0) {//check for criteria to serve survey, in this case no minimum requirement of previous visit
					$.getJSON("http://surveytool.3s.se/popup/getPopCount.php?micp="+micp+"&sid="+sid+"&view="+pageviews+"&visit=0&domain="+location.hostname+"&now="+rightNow.getTime()+"&jsoncallback=?",function (data) {
						var popCount = parseInt(data.response); //get the total number of response so far
						var visitorCount = parseInt(data.count); //get the total number of visitor so far
						var toShow = (visitorCount > 0 && ((visitorCount % visitorInterval) == 0)) ? true : false;
                        //alert(toShow+":"+popCount+":"+visitorCount+":"+visitorInterval);
						if (popCount >= 0 && popCount <=  maximum_number_of_responses && toShow) { //show Popup
							setTimeout(function () {
                            	drawPopContainer(); 
                                //var newKey = makeKey(sid,returns,pageviews,lastTimeStamp,1,0);
                                createCookie(trackerName,newKey,maximum_duration_in_days);
                            },delay_in_seconds*1000);
						}
					});
				}
				
			}
		});
	} else { // returning visitor
		var cookieStr = readCookie(trackerName);
		var value = cookieStr.split(".");
		sid = parseInt(value[0],16);
		var returns = parseInt(value[1],16);
		//var pageviews = parseInt(value[2],16);
		var lastTimeStamp = parseInt(value[3],16);
		var hasShown = (parseInt(value[4],16)) ? true : false;
        //seconds for testing
		var interval = interval_in_hours * 1000;
        // if visitor return within a determined interval do not count as new visit
		if (lastTimeStamp + interval < rightNow.getTime()) { 
			returns++;
			lastTimeStamp = parseInt(rightNow.getTime());
		}
        if(window.console){
            console.log("lastTimeStamp:"+lastTimeStamp);
            console.log("interval:"+interval);
            console.log("rightNow:"+rightNow.getTime());
        }
        pageviews++;
        
		var newKey = makeKey(sid,returns,pageviews,lastTimeStamp,parseInt(value[4]),parseInt(value[5])); //update Key
		createCookie(trackerName,newKey,maximum_duration_in_days);//update cookie
		
        //check for criteria to serve survey 
        //if (!hasShown && returns > minimum_number_of_visits) {

        $.getJSON("http://surveytool.3s.se/popup/getPopCount.php?micp="+micp+"&sid="+sid+"&view="+pageviews+"&visit="+returns+"&domain="+location.hostname+"&now="+rightNow.getTime()+"&jsoncallback=?",function (data) {
            var popCount = parseInt(data.response); //get total number of responses so far
            var visitorCount = parseInt(data.count); //get total number of visitor
            var toShow = (visitorCount > 0 && ((visitorCount % visitorInterval) == 0)) ? true : false;
            //alert(toShow+":"+popCount+":"+visitorCount+":"+visitorInterval);
            if(window.console){
            	console.log("returning visitor-hasshown:"+hasShown+"-returns:"+returns+"-minvisits:"+minimum_number_of_visits+"-popcount:"+popCount+"-toShow:"+toShow+"-maxresponse:"+maximum_number_of_responses+"-visitorCount:"+visitorCount+"-visitorInterval:"+visitorInterval);
            }
            //alert("Returns: "+returns+"\nMin visits: "+minimum_number_of_visits+"\nHas shown survey?: "+hasShown+"\nTotal Responses: "+popCount+"\nPage visits: "+visitorCount);
            if (returns >= minimum_number_of_visits && !hasShown && popCount > 0 && popCount <=  maximum_number_of_responses && toShow) { //show popup
                
                setTimeout(function () {
                	drawPopContainer(); 
                    //update cookie that user has seen popup (kenneth 2june10)
                    var newKey = makeKey(sid,returns,pageviews,lastTimeStamp,1,0); //update Key
					createCookie(trackerName,newKey,maximum_duration_in_days);//update cookie
                },delay_in_seconds*1000);
            }
        });
    
        
        
        //console.log("returning visitor-hasshown:"+hasShown+"-returns:"+returns+"-minvisits:"+minimum_number_of_visits);
	}
}