I need a menu as follow

Press (x) key and menu will scroll from left
Press (x) key and menu will hide
Menu must be controlled with keyboard - up/down/left(for sub menus)/right(for sub menus
When user click a menu link the menu will not refresh but stays on the page.
The menu will hide after x seconds of non activity of keyboard or mouse.

Here is something similar I found


I also need help how to integrate the script in a website.

I will pay with western union.