Open a PDF via a button/script in a projector

["?ryD" <webforumsuser@xxxxxxxxxxxxxx>]

I am going to burn a projector to a CD with a folder containing some pdf files. 
I would like to ask how to open a pdf file(if it's even possible) from a button 
in director. I don't need it to open inside the projector, just click on the 
button then it will open an Acrobat Reader.

 I hope you get the idea of what I'm trying to do.

 Thanks