initialize()
Prepares the fglgallery library for use.
Syntax
initialize( )Usage
This function initializes the fglgallery module usage. When the fglgallery library is no longer
needed, call the finalization function fglgallery.finalize().
Initialization and finalization functions can be called several times by different modules using the fglgallery library.
Example
IMPORT FGL fglgallery
FUNCTION show_image_gallery()
  ...
  CALL fglgallery.initialize()
  ...
  CALL fglgallery.finalize()
END FUNCTION