The following might be of interest: http://www.existech.com/tpw/ http://www.eyetap.org/tpw/index2.php -- Progress, far from consisting in change, depends on retentiveness. Those who cannot remember the past are condemned to repeat it. "The Life of Reason," 1906, George Santayana (1863-1952) -- Robert Guerra <rguerra@yahoo.com> PGP Keys <http://pgp.greatvideo.com/keys/rguerra/> To unsubscribe from this group, send an email to: cpsr_privacy-unsubscribe@egroups.com Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/