not really sure, this is all new to me. When you say the Forms toolbar, do you mean that formatting pallet? And when you say you lock "it" down, do you mean a specific field?
For that matter, is a field a very specific term in Word or does it apply to anything that can be moved with that 4-directional-arrow thing?
I'm sure this document was built all wrong, but I can't lock a darn thing down with CTRL(CMD)+F11.