here is a freeware program, you could try it out,
I’ve never had to put subtitles on and if i did i would probaby just add them as text layers in Final Cut, but that makes the subtitle permanent, and would not give a dvd the option to change subtitles.
http://www.afterdawn.com/software/video … reator.cfm
This on is a PC Freeware program for DVD’s, allows you to add multiple subtitle layers to DVDs.
give it a whack and see how you get on.