// background afbeelding plaatsen
function setBackground(pImage)
{
    var doc = document.getElementById('body');
    
    if(doc && pImage != '')
        doc.style.backgroundImage = 'url(' + pImage + ')';
}

// stippellijn positioneren
//function setStippels(pPos)
//{
//    var pPos = -998 + pPos;
//    document.getElementById('stippels').style.backgroundPosition = pPos + 'px 0px';
//}

// active button aanzetten
function setActiveButton(pButton)
{
    var btn = document.getElementById(pButton);
    
    if(btn && pButton != '')
       btn.className += " clicked";
}

// pagina hoogte instellen (laden en resizen)
function setPageHeight() {
    var body = document.body,
        html = document.documentElement;
    var height = Math.max(body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight);

    document.getElementById('mainContainer').style.height = parseInt(height - 74) + 'px';
}

window.onload = setPageHeight;
window.onresize = setPageHeight;