This menu is from Dynamic Drive, Slide-In Menu Bar I, and the links provided are theirs, except for the last few that I put in; to my own Home Page, to Lessons 13, 1 and 15.
"Description: A cool menu bar that automatically slides open from the left edge of the screen as the surfer moves the mouse over it. Moving the mouse out will cause the bar to slide back in. Browsers other than NS 4+ and IE 4+ will simply see nothing."