/*Ab_hier_Firefox etc.*/

#menue_button {
 background-image:url(../images/button01.gif); 
}

#menue_button:hover {
 background-image:url(../images/button02.gif); 
}

#menue_button_top {
 background-image:url(../images/button01.gif); 
}

#menue_button_top:hover {
 background-image:url(../images/button02.gif); 
}

#login_button {
 background-image:url(../images/button03.gif); 
}

#login_button:hover {
 background-image:url(../images/button04.gif); 
}

#login_button_top {
 background-image:url(../images/button03.gif); 
}

#login_button_top:hover {
 background-image:url(../images/button04.gif); 
}

#kurs_button {
 background-image:url(../images/Kbutton01.gif); 
}

#kurs_button:hover {
 background-image:url(../images/Kbutton02.gif); 
}