def set_border_color(color)
    set_bottom_color(color)
    set_top_color(color)
    set_left_color(color)
    set_right_color(color)
  end
def set_border_color(color)
    set_bottom_color(color)
    set_top_color(color)
    set_left_color(color)
    set_right_color(color)
  end
Set cells border to the same color

     Also applies to:    set_bottom_color()
                         set_top_color()
                         set_left_color()
                         set_right_color()

     Default state:      Color is off
     Default action:     Undefined
     Valid args:         See set_color()

 Set the colour of the cell borders. A cell border is comprised of a border
 on the bottom, top, left and right. These can be set to the same colour
 using set_border_color() or individually using the relevant method calls
 shown above. Examples of the border styles and colours are shown in the
 'Borders' worksheet created by formats.rb.