Ignored function in MY_Form_validation library

[eluser]uptime[/eluser]
I need the same thing done, I need to have a "state" field required if the user selected "United States" as a country.

The only problem is that it would take about a minute to create a callback so extending the class is definitely a waste of time...

If I do extend the class, I'll post my code here so you (or anyone else) can use it.