                              Icon bar interface
                              ==================
Overview
--------
Sometimes it can be desirable for a script to have an icon on the icon bar. Rabbit provides a simplified interface to Wimp_CreateIcon for this purpose.


Commands
--------

int bar_icon(int side, int width, int height, string spritename)

   * Parameters:

       side       - The side of the icon bar, on which the icon is to be placed.
                    -1 for the right, -2 for the left.
       width      - The icon's width in OS units.
       height     - The icon's height in OS units.
       spritename - The name of the icon's sprite (must be inthe WIMP sprite
                    area)


   * Returns: Icon handle.

   creates an icon on the icon bar.


void remove_bar_icon(int handle)

   * Parameters:

       handle     - The handle of the icon to be removed.

   removes an icon from the icon bar.
