There exists a dtml eval product and even a how-to I didn't use it or tried to use it, but you can find it here: http://www.zope.org/Members/Kaivo/EvalTag http://www.zope.org/Members/Kaivo/EvalTag_HowTo Hans de Wit Stichting Farmaceutische Kengetallen Postbus 30460 2500 GL DEN HAAG Tel. 070-3737448 Fax 070-3737445