function ChangeAgenda(sParam) {
	/* Anzeige Terminkalender */
	var nAgenda = document.getElementById("Agenda").value;
	if (nAgenda != null) {
		document.location.href="agenda.asp?" + sParam + "&agenda=" + nAgenda;
	}
	else {
		document.location.href="agenda.asp?" + sParam;
	}
}