How to adapt this?

[Taxet]

I Like the start button from this
http://www.eq2interface.com/download...ew.php?id=4590

But since the last patch It isnt workin anymore
But I can use the newist available Startbuttons in the DL Section..But I would like to use the Masterstrike from the old and adapt it to the new ones. How do I Adapt this Masterstrike to another?
I have the Text file but dont know how he put that dang button to use the text file.
I dont know much about how this works but im willin to learn.