<!--
function submenue (sub) {
auswahl = sub;
subnav = new Array("sub-wintergaerten", "sub-wintergarten-details", "sub-wintergarten-herstellung", "sub-wintergarten-information",  "sub-wintergarten-hilfe" );

if (typeof(auswahl)=="undefined") {
for (var i = 0; i < subnav.length; ++i) {
document.getElementById(subnav[i]).style.display = 'none';
}

} else {

if  (document.getElementById(subnav[auswahl]).style.display == 'block') { document.getElementById(subnav[auswahl]).style.display = 'none'; }
else { document.getElementById(subnav[auswahl]).style.display = 'block'; }
}

}


//-->