The navigation buttons do not work if "Active Content" is blocked.
WHAT DO THE BUTTONS DO?
Show [Latest|Jan] Issue First - Toggles the order of the thumbs.
Show All Years - shows all of the newsletters in our library (like you see them now).
4-digit years - click any year to show that year and hide all other years.
Oldest, Newest - jump to the first and latest years in our library.
Older, Newer - move from the current year to the next year.