#bettbutton,
#stuhlbutton,
#kursbutton,
#tischbutton,
#technikbutton,
#kontaktbutton  {
   z-index: 4;
}

#startbutton a  {
   background-image: url(bettmedia/startbutton.gif);
}

#kontaktpopup  {
   background-image: url(bettmedia/kontaktpopup.gif);
}

#kurspopup  {
   background-image: url(bettmedia/kurspopup.gif);
}