This code is Copyright 1999-2001 by Eric Albert (ejalbert@cs.stanford.edu)
and may be redistributed or modified in any form without restrictions as
long as the portion of this comment from this paragraph through the end of
the comment is not removed. The author requests that he be notified of any
application, applet, or other binary that makes use of this code, but that's
more out of curiosity than anything and is not required. This software
includes no warranty. The author is not repsonsible for any loss of data
or functionality or any adverse or unexpected effects of using this software.