on join:
	wait 1 second
	set {Alreadyon.%player%} to player's ip
	send "ip set %{Alreadyon.%player%}%"

on quit:
	delete {Alreadyon.%player%}

on connect:
	if {Alreadyon.%player%} is equal to player's ip:
		kick player due to "you are already online"