Air Soft for beginners? information and rules?

Hello my name is Kevin and i'm 14 years old. i live in North Texas. im very interested in airsoft and would like to know the rules and tips. also i need locations on fields i can play in since i don't know much about airsoft. oh and im thinking about getting this gun and i would like to know if its a good beginners weapon. http://www.airsoftpost.com/product_info.php?cPath=21_44_218&products_id=33976