One last post on this. Now looking for prepub reviewers. http://blather.michaelwlucas.com/archives/902 ==ml -- Michael W. Lucas http://www.MichaelWLucas.com/, http://blather.MichaelWLucas.com/ Latest book: Network Flow Analysis http://www.networkflowanalysis.com/ mwlucas at BlackHelicopters.org, Twitter @mwlauthor