네.. 맞는데 소스릉 보니
<?
include_once("./_common.php");

$sql = " select *
          from $g4[yc4_category_table]
          where ca_id = '$ca_id'
            and ca_use = '1'  ";
$ca = sql_fetch($sql);
if (!$ca[ca_id])
    alert("등록된 분류가 없습니다.");

$g4[title] = $ca[ca_name] . " 상품리스트";

if ($ca[ca_include_head])
    @include_once($ca[ca_include_head]);
else
    include_once("./_head.php");

// 스킨을 지정했다면 지정한 스킨을 사용함 (스킨의 다양화)
//if ($skin) $ca[ca_skin] = $skin;

$nav_ca_id = $ca_id;
include "$g4[shop_path]/navigation1.inc.php";



########################################요부분~!!!!!!!!!!!!!!!!!!!!!#####################################
$himg = "$g4[path]/data/category/{$ca_id}_h";
##############################################################################################

if (file_exists($himg)) {
include_once "$g4[shop_path]/listcategory.inc.php";
    echo "<img src='$himg' border=0><br>";
}




// 상단 HTML
echo stripslashes($ca[ca_head_html]);

if ($is_admin)
    echo "<p align=center><a href='$g4[shop_admin_path]/categoryform.php?w=u&ca_id=$ca_id'><img src='$g4[shop_img_path]/btn_admin_modify.gif' border=0></a></p>";

include_once "$g4[shop_path]/listcategory.inc.php";  <--얘가 카테고리 부분입니다.
?>

<table width=100% cellpadding=0 cellspacing=0>
    <tr>
        <td><table width="595" height="40" border="0" cellpadding="0" cellspacing="0">
          <tr>
            <td align="right" valign="top"><img src="img/pro.gif" width="588" height="32" /></td>
          </tr>
        </table>


카테고리.inc를 보니깐

<?
$str = "";
$exists = false;

$ca_id_len = strlen($ca_id);
$len2 = $ca_id_len + 2;
$len4 = $ca_id_len + 4;

// 차차기 분류의 건수를 얻음
$sql = " select count(*) as cnt from $g4[yc4_category_table]
          where ca_id like '$ca_id%'
            and length(ca_id) = $len4
            and ca_use = '1' ";
$row = sql_fetch($sql);
$cnt = $row['cnt'];
if (!$cnt)
    $str .= "<tr><td width=11 background='$g4[shop_img_path]/ca_bg02.gif'></td><td>";

$sql = " select ca_id, ca_name from $g4[yc4_category_table]
          where ca_id like '$ca_id%'
            and length(ca_id) = $len2
            and ca_use = '1'
          order by ca_id ";
$result = sql_query($sql);
$str .= "<tr><td width=11 background='$g4[shop_img_path]/ca_bg02.gif'></td>";
$str .= "<td><table width=100% border=0><tr><td>";
while ($row=sql_fetch_array($result)) {

    //$row2 = sql_fetch(" select count(*) as cnt from $g4[yc4_category_table] where ca_id like '$row[ca_id]%' ");
    $row2 = sql_fetch(" select count(*) as cnt from $g4[yc4_item_table] where (ca_id like '$row[ca_id]%' or ca_id2 like '$row[ca_id]%' or ca_id3 like '$row[ca_id]%') and it_use = '1'  ");

    $str .= "<a href='./list.php?ca_id=$row[ca_id]'>$row[ca_name] ($row2[cnt])</a> &nbsp; ";
    $exists = true;
}
$str .= "</td></tr></table></td><td width=11 background='$g4[shop_img_path]/ca_bg03.gif'></td>";

if ($exists) {
    echo "
    <br>
    <table width=98% cellpadding=0 cellspacing=0 align=center border=0>
    <colgroup width=11>
    <colgroup width=''>
    <colgroup width=11>
    <tr>
        <td width=11><img src='$g4[shop_img_path]/ca_box01.gif'></td>
        <td background='$g4[shop_img_path]/ca_bg01.gif'></td>
        <td width=11><img src='$g4[shop_img_path]/ca_box02.gif'></td>
    </tr>
    $str
    <tr>
        <td width=11><img src='$g4[shop_img_path]/ca_box03.gif'></td>
        <td background='$g4[shop_img_path]/ca_bg04.gif'></td>
        <td width=11><img src='$g4[shop_img_path]/ca_box04.gif'></td>
    </tr>
    </table><br>";
}
?>

이렇게 되있네요.. 초보라,, 잘은 모르겠고 $len4, $len2 이부분이 의심스러운데
고쳐도 별 변화가 없으니..ㅠ_ㅠ
하루종일 이걸로 삽질하고 있습니다...

힘없는 평민좀 구제 해 주세요~