start with the button that causes the text to be displayed. find what it does (which may not be easy because most templates are coded by novice or intermediate level coders) and follow that trail to the text. (note: the text may be in a txt or xml file that's loaded.)
to have a button release open a file, use:
oki, but where do I pug that new code into what I attached to the first post.... and what do I need to remove to keep the gallery page fropm opening?
i'm not going to be able to give you specific help about where anything's located in that fla. all i, or anyone, can do is give you general guidelines - unless they're familiar with the template you're using. (and i'm not.)
you can write to the template's author. he/she should be familiar with it and because they charged you for it, they should help you. but i know they usually don't.