Urgent Help Please with Frame Scroll

[Bubu]

Hello, excuse me bu I'm not a programmer.
I have two frames, left navigation, right main
In the left I have two buttons (up and down), I need to scroll the
mainFrame up when I push the up button and down when I press the down
button.
I have search in google, but I have not found a working script.

Please anyone can help me?

Thanks
Bubu