Instead of scrolling text - scrolling image

Ive learned how to add a scroll bar to my text boxes - but since I cant make the text in the textboxes do actionscript - I was thinking I could replace the text with an image of the text - and then add buttons to the words.

Simply what im asking is - how can I make an image (it will be of text) scroll inside of a specified area so that it looks just like dynamically loaded text with a scrollbar?