Check out Ted Padova's tip number 21 in the [url=http://www.acrobatusers.com/auc/content/tutorials/2007/10/101_forms_etips/101FormseTips.pdf]101 Forms eTips[/url] for detail on how to create a reset button on your form.
Lori Kassuba is an AUC Expert and Community Manager for AcrobatUsers.com.