If you have insights on the advisability of doing network polling to learn of time changes, or have notions on how it might best be done, I'd appreciate your sharing them with tz at elsie.nci.nih.gov. -- Arthur David Olson ado at elsie.nci.nih.gov ADO and Elsie are Ampex and Borden trademarks "REM AND STINPY"--found in Bill Gates' startup file