Srini, Steve,Neither of these approaches worked.I can add code like this to the button-click and it works Num4.fillColor = "255,255,255";Num5 fillColor = "255,255,255";There are about 400 fields in this form.In AcroForm, you could use heirachies, line Num.4 and Num.5 to operate on a set of fields.I...