ListWindow - window with a list of items in it.
Activate an item
delete active item
redraw window items
move selected item down one spot
move selected item up one spot
Scroll to the bottom.
Bound scrolling based on $config[‘scroll_wrapping’]
Scroll window down.
Scroll one page down.
Scroll to the top item
Scroll the window up one item
Scroll one page up.
[Validate]