A lot of times vendors rename files with a different file extension , ie. pk3 is popular in games for what would be in a normal file extension an .mpg or .avi
this is to keep you from just direct copying thier material. that's why in a lot of programs you have to install their own sound player to play the in-game sounds/movies. Usually there is a way around this if you can edit the particular file.
looks like MJC's given you the best solution i can see.
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iisbob
"It is by the fortune of God that, in this country, we have three benefits: freedom of speech, freedom of thought, and the wisdom never to use either."
-Mark Twain { Samuel Clemen's }
iisbob
Read in a message board of a local BBS: "I try to avoid using Microsoft. That's why I use MS-DOS."