1. An image display device comprising: input means for inputting commands and data; display means having a display screen, said display means displaying an image of a character string corresponding to text data on said display screen in a text display mode thereof and displaying an image corresponding to image data including object image data on said display screen in an image display mode thereof; display mode-switching means for switching between said text display mode and said image display mode of said display means; fixed format-presenting means for selectively presenting, in said text display mode of said display means, a plurality of fixed formats for use in creating said object image data, said fixed formats each having predetermined entry items to which said text data is to be input; designated format-setting means for selecting one of said fixed formats presented in said text display mode of said display means and setting said selected one of said fixed formats to a designated format; input data-storing means for storing said text data input to said predetermined entry items of said designated format as input text data; and image display means for displaying, in said image display mode of said display means, an image representative of part or whole of said object image data created based on said designated fixed format by using said input text data, said image display means displaying, if no text data has been input to any of said predetermined entry items of said designated format, an image representative of part or whole of said object image data created by using dummy data for said text data to be input to said any of said predetermined entry items of said designated format.
1. An image display device comprising: input means for inputting commands and data; display means having a display screen, said display means displaying an image of a character string corresponding to text data on said display screen in a text display mode thereof and displaying an image corresponding to image data including object image data on said display screen in an image display mode thereof; display mode-switching means for switching between said text display mode and said image display mode of said display means; fixed format-presenting means for selectively presenting, in said text display mode of said display means, a plurality of fixed formats for use in creating said object image data, said fixed formats each having predetermined entry items to which said text data is to be input; designated format-setting means for selecting one of said fixed formats presented in said text display mode of said display means and setting said selected one of said fixed formats to a designated format; input data-storing means for storing said text data input to said predetermined entry items of said designated format as input text data; and image display means for displaying, in said image display mode of said display means, an image representative of part or whole of said object image data created based on said designated fixed format by using said input text data, said image display means displaying, if no text data has been input to any of said predetermined entry items of said designated format, an image representative of part or whole of said object image data created by using dummy data for said text data to be input to said any of said predetermined entry items of said designated format. 2. An image display device according to claim 1, wherein said image display means provisionally setting, in said image display mode of said display means, one of said fixed formats being presented in said text display mode to said designated format if said designated format has not been set, and displaying an image representative of part or whole of said object image data created by using said dummy data for said text data to be input to said predetermined entry items of said one of said fixed formats provisionally set to said designated format.