# enable multi copies options if necessary
    if ($enable_multiple_copies){
          map{ $_->configure(-state => 'normal')
          }($skip_orig_lbl,$skip_orig_chk,$multi_pattern_lbl,$multi_pattern_ent
            );
    }
    # or disable them and clean values
    else{
          map{ $_->configure(-state => 'disabled')
          }($skip_orig_lbl,$skip_orig_chk,$multi_pattern_lbl,$multi_pattern_ent
            );
        $skip_orig = 0;
        $multi_pattern = '';
    }