Search engine for web site

[REMELT at LEGACY.CALVIN.EDU]

I would like to have the capability of searching my website only. 
Obviously, I would like to do this as economically as possible (i.e., 
freeware). What are the components and/or steps needed to do that?

Thanks in advance!  
                         ****************
 Glenn Remelts                           remelt at calvin.edu
 Automation Librarian                   (fax) 616-957-6470
 Calvin College & Seminary                    616-957-6072