Google custom search

http://www.google.com/coop/cse?cx=012261214304761821105%3Axmb5r2yeata

I had created this search engine to see the effictiveness of google custom search. Prima-facie it works well and brings results not just from the sites which you want to search but from the whole web. But weightage of results from the given sites are more making initial results effective. A number of other things are also customizable.