Nope - they seem to be for Panasonic Plasmas, but unfortunately not LCDs.

None of the input discretes works on my Panasonic TX-26LXD500 LCD.
(the Discrete On and Discrete OFF do though)

Any more ideas?
I've tried loads of different codes from this website, but no luck at all.
Could it be that the new Panasonic LCDs don't have and discrete codes for Inputs?
(I hope not - it's a real pain to try and get macros to work reliably)