On *:TEXT:!av*:#proscript: {
  if ($2- == on) {
    set %av. $+ $chan on
    msg $chan Auto-voice for12 $chan has been set to12 %av. [ $+ [ $chan ] ]
  }
  if ($2- == off) {
    set %av. $+ $chan off
    msg $chan Auto-voice for12 $chan has been set to12 %av. [ $+ [ $chan ] ]
  }
  elseif (!$2-) || ($2 != on) || ($2 != off) {
    msg $chan Incorrect value. !av <on|off>
  }
}
On *:JOIN:*: {
  if (%av. [ $+ [ $chan ] ] == on) { /mode $chan +v $nick }
  else { HALT }