You need to find out if it would be compatible.
A wireless mouse can be pretty cheap and you would be amazed at the control you would have to just move all over the screen.
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I recently saw a MSFT IR mouse on Amazon - which often has some outrageously low prices
I’ll have to give Norbert in RI a yell
He would likely now if it would work and how to rig it without getting MSN all upset about my trickenknowledgy