Check this out from the tech/faq section:
http://mark8.org/lod/remote97_98.htm
This should get you what you need.
Once the key is cut the instructions are in the owner's manual if you have one.
Now I have cuts but I heard that I need 2 original keys to program the new one!
I couldn't find the instruction in the owner's manual.
It's on page 130 of the manual, here's the page [...]