var kalender;
var weeknummers;
var amount;
var totaal;
var currentweek;
var maxweeks;
var checkimg;
var delimg;
var lastimage;
var SkipWeeks;
var totalskipweeks;
var totaalaantalweken;
var totaalaantal;
var aantalSelectweken;
window.checkimg = "http://www.eenhoorn.eu/images/v.gif";
window.delimg = "http://www.eenhoorn.eu/images/x.gif";
window.lastimage = 0;
window.amount = 0;
window.totaal = 0;
window.currentweek = "";
window.maxweeks = "";
window.totalskipweeks = "";
window.totaalaantalweken = "";
//window.totaalaantal = 5;
window.SkipWeeks = new Array ();

function showweek(val)
{
    //document.getElementById('aantalzend').innerHTML=(parseInt(val)+1)*5;
    document.getElementById('aantalzend2').innerHTML=(parseInt(val)+1)*5;
	for(i=0;i<=9;i++)
	{
		//document.getElementById('div'+i).style.display='none';
	}

	if(val.substring(1,2)=='0')
	{
		val=9;
	}
	else
	{
		val = val.substring(0,1);
	}

	for(i=0;i<=val;i++)
	{
		div = "div"+i;
		//document.getElementById(div).style.display='inline';
	}
	//aantalSelectweken = ((val*1)+1)*5;
	//SetWeeks("","",aantalSelectweken);
}

function checkInUitKlap(veldid)
{
    if (document.getElementById(veldid).style.display == "block")
    {
        document.getElementById(veldid).style.display = "none";
    }
    else
    {
        document.getElementById(veldid).style.display = "block";
    }
}

function CreateArray()
{
    Weeknumbers = new Array();
}

function WeeknumbersAdd(weeknumber)
{
    Weeknumbers.push(weeknumber);
}

function SetWeeks(currentweek,maxweeks,totaalaantal)
{
	/*
	currentweek = currentweek;
	maxweeks = maxweeks;
    totaalaantal = totaalaantal;


    for(i=0;i<totaalaantal+5;i++){
    	document.getElementById(Weeknumbers[i]).src = delimg;
    }
	for(i=0;i<totaalaantal;i++){
		document.getElementById(Weeknumbers[i]).src = checkimg;
    }

    totaalaantalweken = totaalaantal + 1;
    document.getElementById("aantalweken").innerHTML = totaalaantal;
    document.getElementById("huidigaantalweken").innerHTML = totaalaantal;
    CalcWeeks();
    */
}
function SetImages(imgid)
{
	if(document.getElementById(imgid).src == checkimg)
    {
    	document.getElementById(imgid).src = delimg;
    	SkipWeek(imgid);
    }
    else
    {
    	document.getElementById(imgid).src = checkimg;
    }
    CalcWeeks();
}

function SkipWeek(skipcurrentimage)
{
	if(skipcurrentimage != "")
    {
    	if(checkarray(skipcurrentimage) == false);
        {
        	SkipWeeks.push(skipcurrentimage);
        }
        SetNext(skipcurrentimage,"");
    }
}

function SetNext(skipcurrentimage,newimage)
{
    if(1 < 2)
    {
    	if(skipcurrentimage != "")
        {
            totaalaantal =  (document.getElementById("aantalweken").innerHTML*1)+5;
            for(i=0;i<totaalaantal;i++)
            {
                if(Weeknumbers[i] == skipcurrentimage)
                {
                    i++;
                    newimg = Weeknumbers[i];
                }
            }
        }
        else
        {
			newimg = newimage;
        }

        if(checkimgarray(newimg))
        {
            alert (newimg)
        	if(checkarray(newimg) == false && document.getElementById(newimg).src != checkimg)
            {
                document.getElementById(newimg).src = checkimg;
                CalcWeeks();
                alert (newimg)
            }
            else
            {
                totaalaantal = Weeknumbers.length;
                for(i=0;i<totaalaantal;i++)
                {
                    if(Weeknumbers[i] == newimg)
                    {
                        i++;
                        newimg = Weeknumbers[i];
                        if(Weeknumbers[i] == "")
                        {
                            alert("fout");
                        }
                    }
                }

                SetNext("",newimg);
            }
        }
        else
        {
            alert("Einde");
        }
    }
}

function checkimgarray()
{
    totaalaantal =  Weeknumbers.length;
    for(i=0;i<totaalaantal;i++)
    {
        if(Weeknumbers[i] == newimg)
        {
            return true;
            break;
        }
    }
    return false;
}

function checkarray(skipcurrentimage)
{
    skiparray = SkipWeeks.length;
    for(i=0;i<skiparray;i++)
    {
        if(SkipWeeks[i] == skipcurrentimage)
        {
            return true;
            break;
        }
    }
    return false;
}

function CalcWeeks()
{
    kalender = document.getElementById("kalender");
	weeknummers = kalender.getElementsByTagName("input");

    totaal = 0;
    for(i=0;i<totaalaantal;i++)
    {
        if(document.getElementById(Weeknumbers[i]).src == checkimg)
        {
            totaal++;
            lastimage = i+1;
        }
    }
    //document.getElementById("aantalweken").innerHTML = totaal;
    showarray();
}

function showarray()
{
    totalskipweeks = "";
    amount = SkipWeeks.length;
    for(i=0;i<amount;i++)
    {
        totalskipweeks = totalskipweeks + "." + SkipWeeks[i];
    }
    document.getElementById("skipweeks").innerHTML = totalskipweeks;
}