.bt1,.bt2,.bt3,.bt4,.bt5,.bt6,.bt7,.bt8,.bt9,.bt10 {display:block;width:140px;height:20px;}
.btv1,.btv2,.btv3,.btv4,.btv5,.btv6,.btv7,.btv8,.btv9,.btv10 {display:block;width:140px;height:20px;}
.bt1a,.bt2a,.bt3a,.bt4a,.bt5a {display:block;width:140px;height:20px;}
.bt1 {background-image:url(../btn/wichtig.gif)}
.bt1:hover {background-image:url(../btn/wichtig.jpg)}
.bt2 {background-image:url(../btn/aktuelles.gif)}
.bt2:hover {background-image:url(../btn/aktuelles.jpg)}
.bt3 {background-image:url(../btn/verein.gif)}
.bt3:hover {background-image:url(../btn/verein.jpg)}
.bt4 {background-image:url(../btn/termine.gif)}
.bt4:hover {background-image:url(../btn/termine.jpg)}
.bt5 {background-image:url(../btn/lehrgang.gif)}
.bt5:hover {background-image:url(../btn/lehrgang.jpg)}
.bt6 {background-image:url(../btn/gallery.gif)}
.bt6:hover {background-image:url(../btn/gallery.jpg)}
.btv1 {background-image:url(../btn/wir.gif)}
.btv1:hover {background-image:url(../btn/wir.jpg)}
.btv2 {background-image:url(../btn/geschichte.gif)}
.btv2:hover {background-image:url(../btn/geschichte.jpg)}
.btv3 {background-image:url(../btn/vorstand.gif)}
.btv3:hover {background-image:url(../btn/vorstand.jpg)}
.btv4 {background-image:url(../btn/mitglieder.gif)}
.btv4:hover {background-image:url(../btn/mitglieder.jpg)}