function zeigefaq(nummer)
{
	if (document.getElementById('antwort'+nummer).style.display == "block"){
		document.getElementById('antwort'+nummer).style.display = "none";
		document.getElementById('frage'+nummer).style.backgroundImage = "url('/web/_img/elemente/buttons/pfeil_unten.gif')";
	} else {
		document.getElementById('antwort'+nummer).style.display = "block";
		document.getElementById('frage'+nummer).style.backgroundImage = "url('/web/_img/elemente/buttons/pfeil_oben.gif')";
	}
}