Parent/Child/Grandchild form revisited

[Dement1a]

Just curious if anyone had figured out a workaround/fix to the
javascript issues when adding children in a form that has
grandchildren, as described in this thread:

http://groups.google.com/group/attribute_fu/browse_thread/thread/94eec6491fe966bc#

I unfortunately cannot move to 2.3 and so need to work this out.