1. phpmyadmin 에서 bo_11_subj ~ bo_11 등을 추가함.
2. /adm/board_form.php 에 insert 문에 추가
입력항목에 bo_10_subj ~~ 다음문구에 11부터 추가함..

<? for ($i=1; $i<=20; $i++) { ?>
<tr class='ht'>
    <td><input type=checkbox name=chk_<?=$i?> value=1></td>
    <td><input type=text class=ed name='bo_<?=$i?>_subj' value='<?=get_text($board["bo_{$i}_subj"])?>' title='여분필드 <?=$i?> 제목' style='text-align:right;font-weight:bold;'></td>
    <td><input type=text class=ed style='width:80%;' name='bo_<?=$i?>' value='<?=get_text($board["bo_$i"])?>' title='여분필드 <?=$i?> 설정값'></td>
</tr>
<? } ?>


$sql_common = " gr_id               = '$_POST[gr_id]',
                bo_subject          = '$_POST[bo_subject]',
                bo_admin            = '$_POST[bo_admin]',
                bo_list_level       = '$_POST[bo_list_level]',
                bo_read_level       = '$_POST[bo_read_level]',
                bo_write_level      = '$_POST[bo_write_level]',
                bo_reply_level      = '$_POST[bo_reply_level]',
                bo_comment_level    = '$_POST[bo_comment_level]',
                bo_html_level       = '$_POST[bo_html_level]',
                bo_link_level       = '$_POST[bo_link_level]',
                bo_trackback_level  = '$_POST[bo_trackback_level]',
                bo_count_modify     = '$_POST[bo_count_modify]',
                bo_count_delete     = '$_POST[bo_count_delete]',
                bo_upload_level     = '$_POST[bo_upload_level]',
                bo_download_level   = '$_POST[bo_download_level]',
                bo_read_point       = '$_POST[bo_read_point]',
                bo_write_point      = '$_POST[bo_write_point]',
                bo_comment_point    = '$_POST[bo_comment_point]',
                bo_download_point   = '$_POST[bo_download_point]',
                bo_use_category     = '$_POST[bo_use_category]',
                bo_category_list    = '$_POST[bo_category_list]',
                bo_disable_tags     = '$_POST[bo_disable_tags]',
                bo_use_sideview     = '$_POST[bo_use_sideview]',
                bo_use_file_content = '$_POST[bo_use_file_content]',
                bo_use_secret       = '$_POST[bo_use_secret]',
                bo_use_dhtml_editor = '$_POST[bo_use_dhtml_editor]',
                bo_use_rss_view     = '$_POST[bo_use_rss_view]',
                bo_use_comment      = '$_POST[bo_use_comment]',
                bo_use_good         = '$_POST[bo_use_good]',
                bo_use_nogood       = '$_POST[bo_use_nogood]',
                bo_use_name         = '$_POST[bo_use_name]',
                bo_use_signature    = '$_POST[bo_use_signature]',
                bo_use_ip_view      = '$_POST[bo_use_ip_view]',
                bo_use_trackback    = '$_POST[bo_use_trackback]',
                bo_use_list_view    = '$_POST[bo_use_list_view]',
                bo_use_list_content = '$_POST[bo_use_list_content]',
                bo_use_email        = '$_POST[bo_use_email]',
                bo_table_width      = '$_POST[bo_table_width]',
                bo_subject_len      = '$_POST[bo_subject_len]',
                bo_page_rows        = '$_POST[bo_page_rows]',
                bo_new              = '$_POST[bo_new]',
                bo_hot              = '$_POST[bo_hot]',
                bo_image_width      = '$_POST[bo_image_width]',
                bo_skin             = '$_POST[bo_skin]',
                bo_include_head     = '$_POST[bo_include_head]',
                bo_include_tail     = '$_POST[bo_include_tail]',
                bo_content_head     = '$_POST[bo_content_head]',
                bo_content_tail     = '$_POST[bo_content_tail]',
                bo_insert_content   = '$_POST[bo_insert_content]',
                bo_gallery_cols     = '$_POST[bo_gallery_cols]',
                bo_upload_count     = '$_POST[bo_upload_count]',
                bo_upload_size      = '$_POST[bo_upload_size]',
                bo_reply_order      = '$_POST[bo_reply_order]',
                bo_use_search       = '$_POST[bo_use_search]',
                bo_order_search     = '$_POST[bo_order_search]',
                bo_write_min        = '$_POST[bo_write_min]',
                bo_write_max        = '$_POST[bo_write_max]',
                bo_comment_min      = '$_POST[bo_comment_min]',
                bo_comment_max      = '$_POST[bo_comment_max]',
                bo_sort_field       = '$_POST[bo_sort_field]',
                bo_1_subj           = '$_POST[bo_1_subj]',
                bo_2_subj           = '$_POST[bo_2_subj]',
                bo_3_subj           = '$_POST[bo_3_subj]',
                bo_4_subj           = '$_POST[bo_4_subj]',
                bo_5_subj           = '$_POST[bo_5_subj]',
                bo_6_subj           = '$_POST[bo_6_subj]',
                bo_7_subj           = '$_POST[bo_7_subj]',
                bo_8_subj           = '$_POST[bo_8_subj]',
                bo_9_subj           = '$_POST[bo_9_subj]',
                bo_10_subj          = '$_POST[bo_10_subj]',
                bo_1                = '$_POST[bo_1]',
                bo_2                = '$_POST[bo_2]',
                bo_3                = '$_POST[bo_3]',
                bo_4                = '$_POST[bo_4]',
                bo_5                = '$_POST[bo_5]',
                bo_6                = '$_POST[bo_6]',
                bo_7                = '$_POST[bo_7]',
                bo_8                = '$_POST[bo_8]',
                bo_9                = '$_POST[bo_9]',
                bo_10               = '$_POST[bo_10]',

    bo_11_subj= '$_POST[bo_11_subj]',bo_11= '$_POST[bo_11]',
                bo_12_subj= '$_POST[bo_12_subj]',bo_12= '$_POST[bo_12]',
                bo_13_subj= '$_POST[bo_13_subj]',bo_13= '$_POST[bo_13]',
                bo_14_subj= '$_POST[bo_14_subj]',bo_14= '$_POST[bo_14]',
                bo_15_subj= '$_POST[bo_15_subj]',bo_15= '$_POST[bo_15]',
                bo_16_subj= '$_POST[bo_16_subj]',bo_16= '$_POST[bo_16]',
                bo_17_subj= '$_POST[bo_17_subj]',bo_17= '$_POST[bo_17]',
                bo_18_subj= '$_POST[bo_18_subj]',bo_18= '$_POST[bo_18]',
                bo_19_subj= '$_POST[bo_19_subj]',bo_19= '$_POST[bo_19]',
                bo_20_subj= '$_POST[bo_20_subj]',bo_20= '$_POST[bo_20]'
    ";

3. /adm/board_form_update.php 에 insert 문에 추가
    bo_11_subj= '$_POST[bo_11_subj]',bo_11= '$_POST[bo_11]',
                bo_12_subj= '$_POST[bo_12_subj]',bo_12= '$_POST[bo_12]',
                bo_13_subj= '$_POST[bo_13_subj]',bo_13= '$_POST[bo_13]',
                bo_14_subj= '$_POST[bo_14_subj]',bo_14= '$_POST[bo_14]',
                bo_15_subj= '$_POST[bo_15_subj]',bo_15= '$_POST[bo_15]',
                bo_16_subj= '$_POST[bo_16_subj]',bo_16= '$_POST[bo_16]',
                bo_17_subj= '$_POST[bo_17_subj]',bo_17= '$_POST[bo_17]',
                bo_18_subj= '$_POST[bo_18_subj]',bo_18= '$_POST[bo_18]',
                bo_19_subj= '$_POST[bo_19_subj]',bo_19= '$_POST[bo_19]',
                bo_20_subj= '$_POST[bo_20_subj]',bo_20= '$_POST[bo_20]'