I have two very beginner questions about jit.window, firs is when I have a image from web cam it is specular, so how can I make a horizontal flip of it.

I have two very beginner questions about jit.window, firs is when I have a image from web cam it is specular, so how can I make a horizontal flip of it.
And next I want to hide mouse cursor.

two-easy-questions

here's :(tuorials and helps file should help you-"controlling max with messages too)

two easy questions