The Stovebolt Site Forums The Parking Lot Big Bolts is it easier to fix the rusty floor or

http://s427.photobucket.com/albums/pp359/oldwestrnwear/?action=view&current=scan0054.jpg sorry im still trying to figure things out but i would like to know how to repair the floor do i cut out the rust and replace the metal with new steel and what about the cab mount brakets there crused and rusted away