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RAINBOW()

    RAINBOW() is a pleasant correlary to FALLGUY().  It displays a
    character string continuously from row 3 to row 21, three lines at a
    time. The color used to display the string changes every three rows.
    It adds a very nice touch to title screens.

    Syntax

    RAINBOW(<string>)

    Required Parameters

    <string> is the character string to be displayed.

    Return Value

    None (What were you expecting?  A pot of gold, perhaps?)

    Notes

    RAINBOW() will automatically center your character string, and
    display it continuously until a keypress is detected.

    Sample Usage

    CENTER(24, 'Press any key to continue, or Esc to exit')
    Rainbow("John Doe's Killer App")                       
    if lastkey() != 27                                     
       main()                                              
    endif                                                  
    set cursor on                                          
    quit