My advice would be to visit; www.hotscripts.com/ And have a good Ol' search there for a good script. There are so many that you can try out and use. All the best, ~ Mike
I have created a MySQL+PHP search script. If you save all your data in a MySQL database, then you can modify this class to suit your needs. http://seoanalytic.com/blog/55/php-mysql-search-class-script/