.nav .navleft {padding-left:10px;line-height:12px;height:12px;background:url('../images/gallerie_prev.gif') no-repeat 0px 4px;}
.nav .navright {padding-right:10px;line-height:12px;height:12px;background:url('../images/gallerie_next.gif') no-repeat 50px 4px;}

#GB_window .close a{
  background:url('../images/close_frame.gif') no-repeat 57px 2px;
}