Replacing Design - using a button - on a Mac!

Hi All,

I am looking for a button that will change a users mail file design. I have found a great example here for Windows devices.

http://www-10.lotus.com/ldd/nd6forum.nsf/55c38d716d632d9b8525689b005ba1c0/6128e935dae691d580256df9003fb5a4?OpenDocument

Has anyone done anything similar for Mac users?

Any assistance would be great!

Thanks