function ShowSubNavi(subnavi) {
	HideSubNavi();
	if (document.all) { document.getElementById(subnavi).style.display = "block"; }
	else { document.getElementById(subnavi).style.display = "table-row"; }
}

function HideSubNavi() {
	document.getElementById("subnavi_preise").style.display = "none";
	document.getElementById("subnavi_aktuelles").style.display = "none";
}