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diff --git a/ruby_1_8_5/ext/tk/sample/tkextlib/tktable/buttons.rb b/ruby_1_8_5/ext/tk/sample/tkextlib/tktable/buttons.rb
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+++ b/ruby_1_8_5/ext/tk/sample/tkextlib/tktable/buttons.rb
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+#!/usr/bin/env ruby
+##
+## buttons.rb
+##
+## demonstrates the simulation of a button array
+##
+## ( based on 'buttons.tcl' included source archive of tktable extension )
+##
+require 'tk'
+require 'tkextlib/tktable'
+
+# create the table
+tab  = TkVariable.new_hash
+rows = 20
+cols = 20
+
+table = Tk::TkTable.new(:rows=>rows + 1, :cols=>cols + 1, 
+                        :variable=>tab, :titlerows=>1, :titlecols=>1, 
+                        :roworigin=>-1, :colorigin=>-1, 
+                        :colwidth=>4, :width=>8, :height=>8, 
+                        :cursor=>'top_left_arrow', :borderwidth=>2, 
+                        :flashmode=>false, :state=>:disabled)
+
+sx = table.xscrollbar(TkScrollbar.new)
+sy = table.yscrollbar(TkScrollbar.new)
+
+Tk.grid(table, sy, :sticky=>:news)
+Tk.grid(sx, :sticky=>:ew)
+
+Tk.root.grid_columnconfig(0, :weight=>1)
+Tk.root.grid_rowconfig(0, :weight=>1)
+
+# set up tags for the various states of the buttons
+table.tag_configure('OFF', :bg=>'red',    :relief=>:raised)
+table.tag_configure('ON',  :bg=>'green',  :relief=>:sunken)
+table.tag_configure('sel', :bg=>'gray75', :relief=>:flat)
+
+# clean up if mouse leaves the widget
+table.bind('Leave', proc{|w| w.selection_clear_all}, '%W')
+
+# highlight the cell under the mouse
+table.bind('Motion', proc{|w, x, y|
+             Tk.callback_break if w.selection_include?(TkComm._at(x,y))
+             w.selection_clear_all
+             w.selection_set(TkComm._at(x,y))
+             Tk.callback_break
+             ## "break" prevents the call to tkTableCheckBorder
+           }, '%W %x %y')
+
+# mousebutton 1 toggles the value of the cell
+# use of "selection includes" would work here
+table.bind('1', proc{|w, x, y|
+             #rc = w.curselection[0]
+             rc = w.index(TkComm._at(x,y))
+             if tab[rc] == 'ON'
+               tab[rc] = 'OFF'
+               w.tag_cell('OFF', rc)
+             else
+               tab[rc] = 'ON'
+               w.tag_cell('ON', rc)
+             end}, '%W %x %y')
+
+
+# inititialize the array, titles, and celltags
+0.step(rows){|i|
+  tab[i,-1] = i
+  0.step(cols){|j|
+    if i == 0
+      tab[-1,j] = j
+    end 
+    tab[i,j] = "OFF"
+    table.tag_cell('OFF', "#{i},#{j}")
+  }
+}
+
+Tk.mainloop