You're close... http://www.digitalpoint.com/tools/search/ Also: www.hotscripts.com . Or: http://www.googlestore.com/appliance/GO0123.asp . When you write a better post the answer will be easier...
I think he means google sitesearch. I've mirrored the code here: Google Sitesearch Code It's the second one down. Just copy and paste. Shawn's tool does the same thing (I think), because if I rember correctly he uses G's search technology. Not sure tho.