Where is "Browse in same window" in Windows 7

It looks like the capability to do this was removed from the GUI in Windows 7.

Have a read of the following for instructions on how to change the behaviour via the registry to how you want it:
- How to configure Internet Explorer to open Office documents in the appropriate Office program instead of in Internet Explorer
- A new window opens when you try to view a 2007 Microsoft Office program document in Windows Internet Explorer 7 or Internet Explorer 8