function executeClean()
	cleanMap()
	doBroadcastMessage("Nastepny clean za 4 godziny.")
	return TRUE
end

function onThink(interval, lastExecution)
	doBroadcastMessage("Clean mapy za 5 minut!")
	addEvent(doBroadcastMessage, 60000, "Clean mapy za 4 minuty!")
	addEvent(doBroadcastMessage, 120000, "Clean mapy za 3 minuty!")
	addEvent(doBroadcastMessage, 180000, "Clean mapy za 2 minuty!")
	addEvent(doBroadcastMessage, 240000, "Clean mapy za 1 minute!")
	addEvent(doBroadcastMessage, 270000, "Clean mapy za 30 sekund!")
	addEvent(doBroadcastMessage, 299000, "Clean...")
	addEvent(executeClean, 300000)
	return TRUE
end