Hi rg66
Try this VBscript code
Dim date_from
Dim date_to
Dim dt1Val
Dim dt2Val
Dim daysElapsed
Set date_from = XDocument.DOM.selectSingleNode(''/my:myFields/my:date_from'')
Set date_to = XDocument.DOM.selectSingleNode(''/my:myFields/my:date_to'')
dt1Val = CDate(date_from.Text)
dt2Val = CDate(date_to.Text)
daysElapsed = DateDiff(''d'', ...