There is a You Tube video that shows how the page numbering works at:
http://www.google.com/url?sa=t&rct=j...,d.cWc&cad=rja
It really refers to an essay document but, you can apply the same info to any document. One thing to note though is that they do not show where the roman numerals are inserted. However, you can probably guess that when you watch the video.
Hope this helps.