shop/listcategory.inc.php 를

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

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

$str .= "<tr><td width=11 background='$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);
while ($row=sql_fetch_array($result)) {
$str .= "<a href='./list.php?ca_id=$row[ca_id]'>$row[ca_name]</a> &nbsp; ";
$exists = true;
}

$str .= "</td><td width=11 background='$g4[shop_img_path]/ca_bg03.gif'></td></tr>";

이런식으로 수정하시면 됩니다.