.i16.lock { background-image: url('../images/icons/lock.png'); }
.i16.lock_add { background-image: url('../images/icons/lock_add.png'); }
.i16.lock_break { background-image: url('../images/icons/lock_break.png'); }
.i16.lock_delete { background-image: url('../images/icons/lock_delete.png'); }
.i16.lock_go { background-image: url('../images/icons/lock_go.png'); }
.i16.lock_none { background-image: url('../images/icons/lock_none.png'); }
.i16.lock_open { background-image: url('../images/icons/lock_open.png'); }