VFP Gurus -

I am sure the answer to this is very easy, but it is eluding me...

I have a form which has an option group with 4 choices. I have 4 containers of controls, each 'connected' to a particular option so that when the user selects an option, that container appears on the form.

The problem I am having is that once one container is displayed on the form, it never goes away - even if the user selects a different option. The only way to have a different container appear is to close the form, reopen it, and select a different option. How would I get the form to destroy any current containers open before pulling up the new container once the user has selected an option?

I am using VFP 6.0 with Mere Mortals Framework and Stonefield. The form and containers are actually classes based on form and container. Any help would very appreciated.

-Justin