You can always use Post A new answer to continue a thread. If you don't get a response after a day or two, you can post back to it again to "bump" it back to the top of Recent Items. No need to start a new thread, which can break the continuity of what has been discussed before.
As shown in the dialog that I've uploaded an image of, in windows systems at least, the same option exists in both FileMaker 11 and 12.
There are also ways to set up an unstored calculation field with an expression such as:
gFirstPageNumber + Get ( PageNumber ) - 1
To use as a field for the page number. gFirstPageNumber would be a global number field where the user or a script would enter the number of the first page in your report.