Below are some simple steps to get a Google search on your site:
1. Navigate to C:\Program Files\Common Files\Microsoft Shared\web server extensions\60\TEMPLATE\LAYOUTS
2. Create a new folder called "external"
3. Inside the folder create a single HTML page with the following contents:
4. Save the file as "googlesearch.htm"
5. Go to your MOSS Site
6. Drop Page Viewer Web Part, Add the url to the page using Link in the properties of the web part will be http://<