Hi Klaus, what's about put "result = IsDate(" & quote & "01/01/1969" & quote & ")" into tvb do tvb as vbscript put the result best G.Wolfgang Gaich > > the subject says it all :-/ > Please tell me that I am overlooking something obvious!!!! > > > Regards > > Klaus Major > klaus at major-k.de > http://www.major-k.de >