Default Scope on Sharepoint Advanced Search

Question

Is there any way to automatically select a specific scope on Sharepoint advanced search interface without having to select the search box via Javascript?

I found this hint, but I couldn't find the XML file he's talking about anywhere.

Answer 1

The XML he talks about on the link is located at:

Advanced Search Page => Edit Page => Modify Shared WebPart (the Advanced Search Form WebPart) => (Properties Group) => Properties field.

It starts with <root xmlns:...