function show(id) {
	hide();		
	document.getElementById(id).style.visibility = "visible";
}

function hide() {
	document.getElementById("Neues").style.visibility = "hidden";
	document.getElementById("Informationen").style.visibility = "hidden";
	document.getElementById("Kontakt").style.visibility = "hidden";
	document.getElementById("Cd").style.visibility = "hidden";
}