I would like to create a form that when you answer a question "no" to a question you would need to fill out addtional fields, if you answer "yes" those fields would be greyed out
For the graying-out part, this tutorial demonstrates one approach: http://acrobatusers.com/tutorials/js_disabling_fields/
If it is LiveCycle Designer form try this:
on RadioButtonNo Checked event
If it is AcroForm use 'Show Hide Fields' option under Actions->Select an Action and select the Textbox to hide and unhide. (Although this option will hide the form field)
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