InfoPath Dev

 Hello, I am a newbie.  I built a form and had some issues.  So, I decided to go delete out field by field until I found the error, which I did.  Before I started my deleting, I moved a copy to a new folder called backups.  Now, when I open the form in the backup folder I get an infuriating message from infopath saying ...

 Hello, I am new to infopath.  Hopefully some kind soul out there can help. I would like to create a button in infopath that can be used to open / close a section of a form. Upon click the section should open and the button label should change to "close section" Click it again, and I would like the section to close and ...