The subject invention provides recombinant nucleic acid molecule which encodes a kappa3 opioid receptor, and the receptor encoded thereby. An object-oriented environment submits a query to an object relational layer to access data contained in the RDBMS. The suctioningexhausting unit suctions air in a vicinity of the recording-medium ejecting portion. When a user on the Internet requests a form by a browser, the characteristics of the browser are sensed and a form appropriate for the browser is deployed to the browser by a form server.