Copyright (c) 1997-1998 Richard Coleman All rights reserved. Permission is hereby granted, without written agreement and without license or royalty fees, to use, copy, modify, and distribute this software and to distribute modified versions of this software for any purpose, provided that the above copyright notice and the following two paragraphs appear in all copies of this software. In no event shall Richard Coleman be liable to any party for direct, indirect, special, incidental, or consequential damages arising out of the use of this software and its documentation, even if Richard Coleman has been advised of the possibility of such damage. Richard Coleman specifically disclaims any warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The software provided hereunder is on an "as is" basis, and Richard Coleman has no obligation to provide maintenance, support, updates, enhancements, or modifications.