on $*:text:/^[!@.]tb */si:#:{ 
  if ($address($nick,4) == $address($me,4)) { 
    if (!$3) { halt } 
    if ($3 isnum 1-) { 
      tb1  $2 $3 $chan 
    } 
    else { 
      tb1 $2 60 $chan 
    } 
  } 
} 
alias tb1 { 
  if (!$2) { halt } 
  /ban -ku $+ $2 $3 $1 4 TempBan- $calc( $2 / 60) Minutes 
  .timer 1 $2 .notice $1 You have been unbanned from $3 
} 

alias tb { 
  if (!$2) { halt } 
  /ban -ku $+ $2 $chan $1 4 TempBan- $calc( $2 / 60) Minutes 
  .timer 1 $2 .notice $1 You have been unbanned from $chan 
}