function susChange (id) {
	// Alle Texte UNSICHTBAR machen
	document.getElementById('susnav_text_sdaarea').style.display = 'none';
	document.getElementById('susnav_text_magazine').style.display = 'none';
	document.getElementById('susnav_text_konferenzen').style.display = 'none';
	document.getElementById('susnav_text_verlag').style.display = 'none';
	
	// Erforderlichen Text SICHTBAR machen
    current = (document.getElementById('susnav_text_' + id).style.display == 'none') ? 'block' : 'none';
    document.getElementById('susnav_text_' + id).style.display = current;
    
	// Alle Bilder INAKTIV setzen
	document.images['susnav_image_sdaarea'].src="/itr/magazine/de/images/susnav/buttons/sdaarea/inaktiv.gif";
	document.images['susnav_image_magazine'].src="/itr/magazine/de/images/susnav/buttons/magazine/inaktiv.gif";
	document.images['susnav_image_konferenzen'].src="/itr/magazine/de/images/susnav/buttons/konferenzen/inaktiv.gif";
	document.images['susnav_image_verlag'].src="/itr/magazine/de/images/susnav/buttons/verlag/inaktiv.gif";
	
	// Erforderliches Bild AKTIV setzen
	if (id == 'sdaarea') { document.images['susnav_image_sdaarea'].src="/itr/magazine/de/images/susnav/buttons/sdaarea/aktiv.gif"; }
	if (id == 'magazine') { document.images['susnav_image_magazine'].src="/itr/magazine/de/images/susnav/buttons/magazine/aktiv.gif"; }
	if (id == 'konferenzen') { document.images['susnav_image_konferenzen'].src="/itr/magazine/de/images/susnav/buttons/konferenzen/aktiv.gif"; }
	if (id == 'verlag') { document.images['susnav_image_verlag'].src="/itr/magazine/de/images/susnav/buttons/verlag/aktiv.gif"; }
}