It is one objective of the present invention to provide a practical user interface that can considerably simplify the operations required for the display of a specific object desired by a user, and that can accurately display the specific device at an optimal order location for the user. Hybridoma cell lines producing such mAbs, methods of in vivo imaging of pathological conditions, and methods of treating and diagnosing pathological conditions, caused by abnormal functioning, production or metabolism of TR2 receptors are also provided. The inquiring browser is supplied with code to enable sorting of a group of Internet ad addresses relative to the classification information related to the frequency of desired ad play. The comparator includes an offset voltage.