Script Summary: Demonstration code for finding out who the currently logged in user is, on Livejournal.
Demonstration code that extracts your LJ username from the login page, and stores a mapping between that and your LJ user number, used in the cookies, for later fast retrieval.
Works in Firefox 1.5 with Greasemonkey 0.6.6, but it probably works with versions back to the security model change in 0.5.
Works against the LJ login page as of 2006/11/24
