Creating a Page Number Field

Hi,

I was wondering if there was a way to create a page number field, so that the person who is filling out the form willl enter 1 on the first page, and then the page number will increase automatically with each new page (1, 2, 3... ).

I usually do this on the master page using the custom Page # of # in Adobe LiveCycle in Acrobat Professional 8.0. However, as I mentioned in a previous thread, when I encrpyt the document, the numbers disappear and I only have "Page of."

Therefore, I am trying to find a work around, and I figured if the page number was a numeric field that the filler placed the first number in, then perhaps the numbers would not disappear after they encrypted the form.

Anyone have any ideas?

Thanks in advance.