function selecteer(method)
{
    var checkboxes = document.getElementsByName('selectie[]');

    for(i=0; i < checkboxes.length; i++)
    {
        if(checkboxes[i].checked == false)
        {
            checkboxes[i].checked = true;
	}
        else
        {
            checkboxes[i].checked = false;
        }
    }
}


function show(div)
{
    var divje = document.getElementById(div);

    if (divje.style.display == "block")
    {
        divje.style.display = "none";
    }
    else
    {
        divje.style.display = "block";
    }
}


function openBelveld()
{
    var tekst;
    var telefoon;
    var sms;
    
    tekst = document.getElementById('tekst');
    if(tekst.style.display == "none")
    {
        tekst.style.display = "block";
    }
    else
    {
        tekst.style.display = "none";
    }
    telefoon = document.getElementById('telefoon');	
    telefoon.style.display = "block";
    sms = document.getElementById('sms');	
    sms.style.display = "block";
}


function verander(stad, prijs, inwoners, bedrijven, link, avatar)
{
    document.getElementById('stad').innerHTML = stad;
    document.getElementById('prijs').innerHTML = prijs;
    document.getElementById('inwoners').innerHTML = inwoners;
    document.getElementById('bedrijven').innerHTML = bedrijven;
    document.getElementById('link').innerHTML = "<input type='button' value='Reizen' class='button_input_2' onclick=\"location.href='" + link + "'\" />";
    document.getElementById('avatar').innerHTML = "<img src=" + avatar + " />";
    div = document.getElementById('informatie');
    div.style.display = "block";
}


function partners()
{
    div = document.getElementById('partners');
    if(div.style.display == "none")
    {
        div.style.display = "block";
    }
    else
    {
        div.style.display = "none";
    }
}


function timeDynamic(secsTotal, spanid)
{
    spantje = document.getElementById(spanid);

    secsTotal--;

    if(secsTotal<=0)
    {
        refresh();
    }
    else
    {
        hours = parseInt(secsTotal / 3600);
        mins = parseInt((secsTotal-(hours*3600)) / 60);
        secs = parseInt(secsTotal-(hours*3600)-(mins*60));

        if(hours != 0)
        {
            spantje.innerHTML = hours + (hours!=1?' uren en ':' uur en ') + mins + (mins!=1?' minuten ':' minuut');
        }
        if(hours == 0 && mins != 0)
        {
            spantje.innerHTML = mins + (mins!=1?' minuten en ':' minuut en ') + secs + (secs!=1?' seconden ':' seconde');
        }
        if(hours == 0 && mins == 0)
        {
            spantje.innerHTML = secs + (secs!=1?' seconden ':' seconde');
        }
        
        setTimeout(function(){timeDynamic(secsTotal, spanid)}, 1000);
    }
}


function refresh()
{
    window.location.reload(true);
}