the real JavaScript baddie is crazyinsomniac. he actually
does read your PerlMonks cookie (at least he strips the
password and uses only the usename). currently, all that is
done with it is to display the user's name on the page
(something like "Hi! mdillon!") and add an "invisible" IMG
to the page that is called with the monk's name as a URL
param, but it would be trivial for another user with less
scruples to copy crazyinsomniac's code and use it to grab
an invisible image with the whole cookie as the URL param: