Tab menu based on Horizontal CSS Menus available at Dynamic Drive CSS Library
Drop Down element of Tab menu based on that available at Stu Nicholls CSSplay
Scrolling and expanding list based on that available at slayeroffice
Layout based on Holy Grail 3 column liquid-layout available at Matthew James Taylor
emailform.php based on that found at elizabethcastro.com
Click the up and down arrows to scroll the list. Click the "+" icon in the lower right corner to expand the list to it's full height. Click the "-" icon to contract the list again.