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Google has launched its Custom Search Business Edition, a fee-based service that lets businesses build search pages for their own Web sites.

The Custom Search Business Edition uses Google's free Custom Search Engine, which allows users to search within a specified group of Web sites.

The new service enables visitors to a company's Web site to search within that site on a customized search page, Google said. Businesses can customize the search page with their own logos and colors and can include Web sites and Web pages that are not contained on their sites. Google announced the service on its official Google blog.

"For a fee, the Business Edition enables customers to enjoy technical support (e-mail and/or phone), customization of search results using XML API, a tailored look and feel, optional Google branding -- and no ads next to the search results," Google said on its site.

For Web sites of up to 5,000 pages, the Custom Search Business Edition costs $100 (around £48) per year. The fee for Web sites that have as many as 50,000 pages is $500 (£245)per year.

The service provides an option for businesses that want to bring Google's search technology into their organization without paying for more-expensive products. The company already sells the Google Search Appliance, starting at $30,000 (£14,650) for 500,000 documents, which indexes material in file servers, content management systems, databases and other sources. It also offers the Mini Search Appliance, starting at $1,995 for 50,000 documents (£975).