New Content: Creating a Site Context Search Box that Uses Portal Search Results
Use the search box sample to customize the Windows SharePoint Services site-level Search box to return Microsoft SharePoint Portal Server Search (SharePointPSSearch) results. This download contains sample Microsoft Visual C# code for creating the custom search box and a deployment package (CAB file) for installing the sample. You can modify this sample code to fit your needs.
http://www.microsoft.com/downloads/details.aspx?familyid=de65eb72-3bb3-4d32-98c2-f2c94458c957&displaylang=en
