Hi Ashley,
There are several ways to accomplish this. That said, I'm not sure this will be a terribly nice interface. Opening a new tab, and no menu, basically means "no navigation on this tab" which might be quite a confusing interface. (This is one reason even having reports "inside a form" seems to work much better.) Users expect some sort of navigation other than "close the tab".
but hey, your app right?
so the way I'd do it is set a different header procedure for the target procedure. In other words on the "Browse Invoices For one Person" procedure, Advanced tab, you can set a custom header procedure (one presumably, without a menu.)
cheers
Bruce