I found some great tips on YouTube on how to write script for documentaries and the styles of filming and how to shoot them. After watching theses videos I realized that there is a lot that goes on in to filming its not just someone holding a camera!!!!
More links
http://www.youtube.com/watch?v=_2QNDixKTSY&playnext=1&list=PL210B82BC698015F2
http://www.youtube.com/watch?v=aa1u_wC8Afs&feature=BFa&list=SP0775839984CDAB08&index=1