on *:INPUT:!trading*:*: {
  if ($nick != $me) { halt }
  if (%tradingon == on) { halt }
  //set %tradingon on
  /msg #gnomes I am trading!
  /timer1 5 300 /msg #gnomes I am trading!
  /timer2 1 1500 //set %tradingon off
  /timer3 1 1500 /notice $me Your trading session has timed out. Type "/trading" to begin your script again.
}