code: function()
  	{
  		if ( this.state == CKEDITOR.TRISTATE_OFF )
  			this.setState( CKEDITOR.TRISTATE_ON );
  		else if ( this.state == CKEDITOR.TRISTATE_ON )
  			this.setState( CKEDITOR.TRISTATE_OFF );
  	}
docs: Toggles the on/off (active/inactive) state of the command. This is
  mainly used internally by context sensitive commands.
  @example
  command.<b>toggleState()</b>;