function kadoAan() {
	document.getElementById('kadoveld').style.visibility = "visible";
	document.getElementById('kadoveld').style.height = "auto";
	document.getElementById('kadoveld').style.width = "auto";
	document.getElementById('kadoveld').style.overflow = "show";
	document.getElementById('kadoveld2').style.visibility = "visible";
	document.getElementById('kadoveld2').style.height = "auto";
	document.getElementById('kadoveld2').style.width = "auto";
	document.getElementById('kadoveld2').style.overflow = "show";
	
}

function kadoUit() {
	document.getElementById('kadoveld').style.visibility = "hidden";
	document.getElementById('kadoveld').style.height = "0px";
	document.getElementById('kadoveld').style.overflow = "show";
	document.getElementById('kadoveld2').style.visibility = "hidden";
	document.getElementById('kadoveld2').style.height = "0px";
	document.getElementById('kadoveld2').style.overflow = "show";
	
}

function changetitle(titel) {
	document.title = titel; 	
}