# File lib/foxtails/icons.rb, line 79
  def self.get_tree_icons
    unless @have_tree_icons
      const_set :FOLDER_OPEN_ICON,    get_icon("minifolderopen.png")
      const_set :FOLDER_CLOSED_ICON,  get_icon("minifolder.png")
      const_set :DOC_ICON,            get_icon("minidoc.png")
      @have_tree_icons = true
    end
  end