I am a little surprised about the cavalier attitudes displayed by many. I am sure though that in answering the question John H. Meredith in no way meant to imply that Michael1964 should knowingly ignore the laws regulating spraying paints at home.
For this interested I posted links to the laws in each state here:
http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic&f=4&t=004486 Personally I'd construct a cheap paintbooth even if doing it in my driveway. You can build one for under $200 using PVC piping and of course with an adequate fan.