shall i a Malaysian need to apply any visa or permit to macau in between the visit to Hong Kong?

Hi, I am Malaysian. I have booked a flight to Macau on 5th July 2011 and return flight to Malaysia on 10th July. in the between i plan to visit to Hong Kong.
shall i need to apply any visa or permit?

My Malaysia international passport will be dued on 8th January 2012, do my passport valid for travel? or do i need to renew my passport first?

thank you for your feedback