dude
try a programme called dvdxcopy this is a all in one dvd copy prog will do a straite copy of dvd5 to a dvd-r and will split dvd9 to 2 dvd-r discs.
i use it and it is a excellent programme newest version 1.3
however if you want this programme it will cost you $99 usa.
www.dvdxcopy.com