function give_pda(first_speaker, second_speaker)
	if first_speaker:object("device_pda_digger") ~= nil then
		dialogs.relocate_item_section(first_speaker, "device_pda_digger", "out")
    end
end

function if_actor_has_pda(first_speaker, second_speaker)
	return first_speaker:object("device_pda_digger") ~= nil 	
end

function if_actor_has_not_pda(first_speaker, second_speaker)
	return not if_actor_has_pda(first_speaker, second_speaker)
end