DOES ANYBODY KNOW SHOULD I REPLACE THE FLOOR AND BUY THE ONE PIECE FLOOR PAN OR BUY THE 2 SEPERATE FLOOR PANS?HOW HARD OR WHAT EXACTLY IS INVOLVED IN REPLACING THE HOLE THING AS ONE.DO I NEED TO RAISE THE BODY AND GO ABOUT IT THAT WAY OR CAN I GO THROUGH ONE OF THE DOORS?ANY HELP WOULD BE A GREAT HELP.THANKS