function changeImg(id){
document.getElementById('mainfoto').src = id;
document.getElementById('waarom').style.display = "none";
}


function highl(id){
if(document.getElementById('pic1'))
{document.getElementById('pic1').className=''}
if(document.getElementById('pic2'))
{document.getElementById('pic2').className=''}
if(document.getElementById('pic3'))
{document.getElementById('pic3').className=''}
if(document.getElementById('pic4'))
{document.getElementById('pic4').className=''}
if(document.getElementById('pic5'))
{document.getElementById('pic5').className=''}
if(document.getElementById('pic6'))
{document.getElementById('pic6').className=''}
if(document.getElementById('pic7'))
{document.getElementById('pic7').className=''}
var picid = 'pic' + id;
document.getElementById(picid).className='actief';
}


function showWaarom(){
blok = document.getElementById('waarom');

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


function topmenuhl(id){
	if (id != '0'){
	tmnr = "tm" + id;
	tm = document.getElementById(tmnr);
	tm.style.color = '#000';
	}
	if ((id == '2') || (id == '0')){document.getElementById('popup').style.display = 'block';}

}
function submenuhl(id){
		if (id != '0'){
	smnr = "sm" + id;
	sm = document.getElementById(smnr);
	sm.style.color = '#f80000';
}}
function projectmenuhl(id){
		if (id != '0'){
	idnr = "b" + id;
	knop = document.getElementById(idnr);
	knop.className = 'redline';
}}


var message = "Deze website is auteursrechtelijk beschermd \r\nŠ 2009 Fototone | Roland Nooteboom";

function click(e) {
	if(document.all) {
		if (event.button == 2) {
			alert(message);
			return false;
		}
	}else if(document.layers || document.getElementById){
		if (e.which==2||e.which==3){
			alert(message);
			return false;
		}
	}
}
if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;