Are you using some sort of application server? I would assume you're using ColdFusion MX because a developer version comes with the MX 2004 CD. If you're not, and are using something like PHP, read this to give you an idea:

http://moskalyuk.com/php/yourownsearchengine.htm

Also look at: http://www.hansanderson.com/php/search/

Writing a search engine can take a lot of work depending on your requirements, so I suggest you just take one from hotscripts.com to save time. If you are using ColdFusion, you can use the Verity engine that comes with it, and you won't have to write much code. It would also be faster than if you had written it yourself in ColdFusion too.

Killer_Typo, please use the "edit" button and don't double post. Thanks!