Yes, this is how it will work without frames.
You can create a different masterborder for the 2 pages that you would like to scroll and apply frames to them.
http://www.gotfusion.com/tutorials/tut.cfm?itemID=222
The framed pages won't center like the other pages will.
It is up to you which you feel is the most important: Frames or centering or having different pages behave differently..