  BALLOON.TCL
 
  Copyright (c) by Victor Wagner, 1997
 
  Simple library for creating pop-up help balloons.
  Intended to make programming this feature as easy as configuring widgets.
 
  Tk-like option parser, written on pure Tcl
 
  Tcl 7.4 ,Tk 4.0 and above.
  Doesn't require ANY extensions

  Installation:

  Put file balloon.tcl into any directory in your auto_path
  and run auto_mkindex on this directory

  Usage:
  Once balloons are initiliazed (using init_balloons procedure)
  any widget of classes Button, Menubutton and Menu would
  display help balloon after some period of mouse inactivity while cursor
  is inside this widget, if you've only provided help text by setting
  corresponding element of help_tips array.

  Balloons for other widget types could be easily enabled.

  procedure getopt arrayname ?opt value?
  parses list of options and sets elements of supplied array to their values. 
  
  See file usage.txt for more information
