hi,
sorry, i have actually no FC4tx for testing.
can evince or an other pdf-viewer in FC edit and save pdf forms ?
eg. via google:
http://www.irs.gov/pub/irs-pdf/fw9.pdf
acroread >=5.1 can edit and save
acroread <5.1 can edit but not save
http://www.adobe.com/products/acrobat/readstep2.html
--
shrek-m