adm/config_form_column.php 를 아래와 같이했고

<?
$sub_menu = "4001800";
include_once("./_common.php");

auth_check($auth[$sub_menu], "r");

if ($is_admin != "super")
    alert("최고관리자만 접근 가능합니다.");


$g4['title'] = "기본환경설정";
include_once ("./admin.head.php");
?>
<table width=100% cellpadding=0 cellspacing=0 border=0>
<form name=fconfigform method=post action='javascript:fconfigform_submit(document.fconfigform);'>
<colgroup width=20% class='col1 pad1 bold right'>
<colgroup width=30% class='col2 pad2'>
<colgroup width=20% class='col1 pad1 bold right'>
<colgroup width=30% class='col2 pad2'>
<tr class='ht'>
    <td colspan=4 align=left><?=subtitle("추가 스킨 설정")?></td>
</tr>
<tr><td colspan=4 class=line2></td></tr>
<!---//////////////////////////////-추가된 부분-시작-///////////////////////////////-------------------------------->

<tr class='bgcol3'>
    <td align=left colspan=4>
<font color=#FF8000>최근글 열수 설정</font>
    </td>
</tr>
<tr><td colspan=4 class=line1></td></tr>
<tr><td colspan=4 class=line1></td></tr>
<tr class='ht'>
    <td>index최근글 열수(cf_1_column)</td>
    <td>
        <input type=text class=ed name='cf_1_column' size='30' required itemname='최근글 열수' value='<?=$config[cf_1_column]?>'>
    </td>
   
</tr>
<tr class='ht'>
    <td>그룹최근글 열수(cf_2_col)</td>
    <td>
        <input type=text class=ed name='cf_2_column' size='30' required itemname='최근글 열수' value='<?=$config[cf_2_column]?>'>
    </td>
   
</tr>
<!----추가된 부분끝--------------------------------->

<tr><td colspan=4 class=line2></td></tr>
</table>

<p align=center>
    <input type=submit class=btn1 accesskey='s' value='  확  인  '>
</form>

<script language="javascript">
function fconfigform_submit(f)
{
    f.action = "./config_form_column_update.php";
    f.submit();
}
</script>

<?
include_once ("./admin.tail.php");
?>

adm/config_form_column_update.php 를 아래와 같이했습니다

<?
include_once("./_common.php");

check_demo();
if ($is_admin != "super")
    alert("최고관리자만 접근 가능합니다.");

$sql = " update $g4[config_table3]
            set cf_1_column = '$cf_1_column',
                cf_2_column = '$cf_2_column'
";
 sql_query($sql);

goto_url("./config_form_column.php");
?>

그러나... 설정화면에서 값을 입력하면 계속 저장이 안되네요

cf_1_column  와 cf_2_column 는 g4_config3 테이블의 필드이고요