오류가 나는곳의 주소를 알려주시면 더 빠르고 정확하게 답변 받을 수 있습니다.

오류 주소 :

로그인 화면에서 로그인 하면 그누보드로 가게 되네요 저는 제 메인 화면으로 가게 하고 싶은데

어떻게 해야 메인으로 가는가요??? 일단 로그인 스킨php를 올립니다.

<?
if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가

if ($g4['https_url']) {
    $login_url = $_GET['url'];
    if ($login_url) {
        if (preg_match("/^\.\.\//", $url)) {
            $login_url = urlencode($g4[url]."/".preg_replace("/^\.\.\//", "", $login_url));
        }
        else {
            $purl = parse_url($g4[url]);
            if ($purl[path]) {
                $path = urlencode($purl[path]);
                $urlencode = preg_replace("/".$path."/", "", $urlencode);
            }
            $login_url = $g4[url].$urlencode;
        }
    }
    else {
        $login_url = $g4[url];
    }
}
else {
    $login_url = $urlencode;
}
?>

<script type="text/javascript" src="<?=$g4[path]?>/js/capslock.js"></script>

<form name="flogin" method="post" onsubmit="return flogin_submit(this);" autocomplete="off">
<input type="hidden" name="url" value='<?=$login_url?>'>

<table  width="767" border="0" cellpadding="0" cellspacing="0">
<tr>
<td colspan="5"><img src="<?=$member_skin_path?>/images/member_3_00_01.jpg" width="767" height="351" alt=""></td>
</tr>
<tr>
<td><img src="<?=$member_skin_path?>/images/member_3_00_02.jpg" width="213" height="39" alt=""></td>
<td width="265"><INPUT name="mb_id" size="35" tabindex="1"></td>
<td><img src="<?=$member_skin_path?>/images/member_3_00_04.jpg" width="9" height="39" alt=""></td>
<td rowspan="2"><input type="image" src="<?=$member_skin_path?>/images/member_3_00_05.jpg" width="149" height="80" alt="" border="0" tabindex="3"></td>
<td><img src="<?=$member_skin_path?>/images/member_3_00_06.jpg" width="131" height="39" alt=""></td>
</tr>
<tr>
<td><img src="<?=$member_skin_path?>/images/member_3_00_07.jpg" width="213" height="41" alt=""></td>
<td><INPUT type="password" name="mb_password" id="mb_password" size="35" tabindex="2"></td>
<td><img src="<?=$member_skin_path?>/images/member_3_00_09.jpg" width="9" height="41" alt=""></td>
<td><img src="<?=$member_skin_path?>/images/member_3_00_10.jpg" width="131" height="41" alt=""></td>
</tr>
<tr>
<td colspan="5"><img src="<?=$member_skin_path?>/images/member_3_00_11.jpg" alt="" width="767" height="173" border="0" usemap="#Map_ab"></td>
</tr>
</table>

</form>

<map name="Map_ab">
  <area shape="rect" coords="489,44,629,78" href="<?=$g4[bbs_path]?>/register.php">
</map>

<script type="text/javascript">
document.flogin.mb_id.focus();

function flogin_submit(f)
{
    <?
    if ($g4[https_url])
        echo "f.action = '$g4[https_url]/$g4[bbs]/login_check.php';";
    else
        echo "f.action = '$g4[bbs_path]/login_check.php';";
    ?>

    return true;
}
</script>

어디를  손대어야 메인 index로  갈수  있나요??? ㅠ.ㅠ