테이블 태그에 문제가 있더군요... 스킨의 login.php 의 내용을 모두 삭제한 후 아래의 소스로 바꾸세요....

<br><br>
<? include "$dir/value.php3"; ?>
<div align=center>
<table border=0 cellspacing=0 cellpadding=0 width=322>
  <tr>
    <td width=9 ><img src=<?=$dir?>/images/t.gif height=2></td>
    <td valign=top  align=left height=21><img src=<?=$dir?>/images/t.gif height=2></td>
    <td width=9 ><img src=<?=$dir?>/images/t.gif height=2></td>
  </tr>
  <tr>
    <td width=9 ><img src=<?=$dir?>/images/t.gif height=2></td>
    <td align=center><img src=<?=$dir?>/images/t.gif height=2><br>
      <table border=0 height=133 width=100% cellspacing=0 cellpadding=0 background=<?=$dir?>/images/bg.gif>
        <tr>
          <td colspan=2 height=10 background=<?=$dir?>/images/lh_bg.gif><img src=images/t.gif height=1></td>
        </tr>
        <tr>
          <td colspan=2 height=10 align=center><img src=<?=$dir?>/images/members_login.gif align=absmiddle border=0></td>
        </tr>
        <tr height=1><td></td></tr>
        <tr height=40 valign=bottom>
          <td align=center class=thm8><b><img src=<?=$dir?>/images/login_id.gif align=absmiddle border=0>
            <input type=text name=user_id size=10 maxlength=20 class=input>
            <img src=<?=$dir?>/images/login_pass.gif align=absmiddle border=0>
            <input type=password name=password size=10 maxlength=20 class=input>
          </td>
        </tr>
        <tr height=10><td></td></tr>
        <tr height=50>
          <td align=center align=center colspan=2>                                    
            <input type=image border=0 align=absmiddle src=<?=$dir?>/images/submit.gif>
            <img src=<?=$dir?>/images/cancel.gif align=absmiddle border=0 onclick=history.go(-1) style=cursor:hand>
          </td>
        </tr>
      </table>
    </td>
    <td width=9 ><img src=<?=$dir?>/images/t.gif height=2></td>
  </tr>
</table>