1. A computer readable storage medium having stored therein an information processing program executed on a computer of an information processing apparatus performing predetermined information processing based on attitude/motion data acquired from an attitude/motion sensor for detecting an attitude or motion of an input device, the computer being caused to function as: correspondence data storage means for storing correspondence data representing correspondence between a plurality of selection target objects and attitudes of the input device; object displaying means for displaying the plurality of selection target objects on a display unit; data acquisition means for acquiring the attitude/motion data; input attitude calculating means for calculating an input attitude, which is an attitude of the input device, in accordance with the attitude/motion data acquired by the data acquisition means; object selecting means for selecting a selection target object from among the plurality of selection target objects in accordance with the input attitude calculated by the input attitude calculating means and the correspondence data; and information processing means for performing a process according to the selection target object selected by the object selecting means.