Search Engine designing,Fully operational ,(Clone of google)

I am looking for professional expertise in setting up a search engine,A search engine which works similar to google ([login to view URL]), You would be required to write the complete script and have the database ready with the present indexes and webpages available,I would also require the hosting and uploading done on my host, After the successful completion of the project,You would have to give me the script,database and the technology used (spiders,crawlers etc ) and the process of updating the data base in the future.I would also request for a demo from you end before we close the project,When I am actually gone key in a word in the search window of my website,I should be able to get results similar to Google and Yahoo search. In short,I want a complete operational search engine designed for me and after completion of this step we can discuss about the future maintenance . payments would be arranged according to your convienience.