There is a program built into most macs that lets you do this. Google is your friend.
Here is one way to do it:
You can also torrent Roxio's Toast app which should do it too.
"You only have 6 posts, so you should probably go with the griffon, seeing that someone with such low posts would never need anything over 12 din. I mean I have just over 100 posts and ski 14 din binders, so u would have to work your way up, smell what I'm steppin' in.......... " - theNUTZ