On @*:TEXT:!off:#FINDIDLE: {  %off = on | notice $nick OFF } 
On @*:TEXT:!on:#FINDIDLE: { %off = off | notice $nick On }
On *:TEXT:*:#FINDIDLE: {
  if ($nick isreg $chan ) && (%off = off) {
    if  ( $timer($nick) != $null ) { /cs $chan tb $nick 3m One msg per 2 min, ban 3 min }
    else { /timer $+ $nick 1 20 echo }
  }
}
alias on {
  &off = off | echo -a ON
}
alias off {
  %off = on | Echo -a OFF
}