Show number based on selection

[Martin]

Hello,
I would create a form that has a selection of
different buildings where our personnel are located. Once
the building is selected, I need for that same form to
display the number of floors in the building in a drop
down box.
If anyone can help me with this, please post a
response here in the forums. The last time I gave out my
e-mail address in here, I was slammed with spam and it's
still rolling in.
Thanks in advance.

Martin