Buttons for adding and removing page templates in PDF form

I am creating a form that has some pages which are optional based on user's needs. I've figured out how to place buttons that will spawn those additional pages based on embedded templates; however, I also want to have buttons that will hide said pages again in case someone adds one in error. The script I used in the buttons to add the pages is this:

var a = this.getTemplate ("Interview notes");
a.spawn();

I tried using this script in a "Remove Page" button...

var currentPageNumber = this.pageNum;
this.deletePages({nStart: currentPageNumber, nEnd: currentPageNumber});

...but unfortunately it deletes the whole page template meaning that the add page button no longer does anything within that version of the file.

I also tried the following:

Add page-

var t = this.getTemplate ("Interview notes");
t.hidden=false

And this for the remove page button:

var t = this.getTemplate("Interview notes");
t.hidden=true

This worked beautifully... until I opened the file in Acrobat Reader rather than Pro, and then it didn't work at all (all template pages were visible all the time).

Basically, I need something that does the opposite of the "spawn" command, and gets that template back to a hidden state without removing it entirely, and works in Adobe Reader.

Thank you!