Have you checked out the hierarchical select module?

http://drupal.org/project/hierarchical_select

On Sep 26, 2011, at 6:14 AM, Mutuku Ndeti jnmutuku@gmail.com wrote:

Hi,

I am looking for a way to have a form field(hierarchical select) e.g

option 1 -a -b -c option 2 -a -b -c

etc.

I am using d7.

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