function onPlayerNickChange(oldNick, newNick)
	for i = 1, guiGridListGetRowCount(Main_Gridlist) do
		if (guiGridListGetItemText(Main_Gridlist, i, 1) == oldNick) then
			guiGridListSetItemText(Main_Gridlist, i, 1, newNick, false, false)
			break
		end
	end
end