function show(id) {
var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (d) {d.style.display='block';}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		wat_over = newImage("http://www.moes.nl/images/menu/wat_over.gif");
		wie_over = newImage("http://www.moes.nl/images/menu/wie_over.gif");
		waarom_over = newImage("http://www.moes.nl/images/menu/waarom_over.gif");
		waar_over = newImage("http://www.moes.nl/images/menu/waar_over.gif");
		special_over = newImage("http://www.moes.nl/images/menu/special_over.gif");
		contact_over = newImage("http://www.moes.nl/images/menu/contact_over.gif");
		preloadFlag = true;
	}
}