function menuSchreiben() {
document.getElementById('menu').innerHTML += '<ul><li><a href="room_portraits.html">Room Portraits</a></li><li><a href="tracks_fields.html">Tracks and Fields</a></li><li><a href="parallel_home.html">Parallel Home</a></li><li><a href="quis.html">Quis Custodiet</a></li><li><a href="panel.html">Panel Flats</a></li><li><a href="grids.html">Grids</a></li><li><br></li><li><a href="curriculum_vitae.html">Curriculum Vitae</a></li><li><a href="contact.html">Contact</a></li><li><br></li><li><br></li><li><a href="index.html">Home</a></li></ul>';
}