1. An image construction apparatus for constructing an image to be displayed on a screen of a remote control apparatus operating a plurality of apparatuses constructing a network, comprising: an image generation unit that generates the image including an image part indicating information on the apparatuses; a database generation unit that generates a database to be updated based on the information on the apparatuses acquired over the network; an association unit that associates the apparatus information constituting the database with the image part corresponding to the apparatus information; a source code generation unit that generates a source code of a program executing a process assigned to the image part with which the apparatus information is associated; a program generation unit that compiles the source code to generate a binary-coded program; a writing unit that writes the program into a storage unit provided in the remote control apparatus; and a display unit that, when an image displayed on the screen is changed over by execution of the program executing the process assigned to the image part, displays the image at a transition origin, the image at a transition destination and the image part.