로그인부분의 에러?에 대해서 (소스 올렸읍니다.)

첨부 이미지에서 보시다싶이, 초기상태에서는 정상인데
로그인하려고 마우스를 갖다대면 패스워드창이 좁아집니다.

스킨에는 손댄부분이 없는데, 저래요...ㅠ ㅠ
도와주십시요.

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

if

($g4['https_url']) {


$outlogin_url = $_GET['url'];


if ($outlogin_url) {


if (preg_match("/^\.\.\//", $outlogin_url)) {


$outlogin_url = urlencode($g4[url]."/".preg_replace("/^\.\.\//", "", $outlogin_url));


}


else {


$purl = parse_url($g4[url]);


if ($purl[path]) {


$path = urlencode($purl[path]);


$urlencode = preg_replace("/".$path."/", "", $urlencode);


}


$outlogin_url = $g4[url].$urlencode;


}


}


else {


$outlogin_url = $g4[url];


}


}


else {


$outlogin_url = $urlencode;
}
?>

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


<script type="text/javascript">
// 엠파스 로긴 참고


var bReset = true;
function chkReset(f)
{


if (bReset) { if ( f.mb_id.value == '아이디' ) f.mb_id.value = ''; bReset = false; }


document.getElementById("pw1").style.display = "none";


document.getElementById("pw2").style.display = "";


}


</script>




<!-- 로그인 전 외부로그인 시작 -->


<form name="fhead" method="post" onsubmit="return fhead_submit(this);" autocomplete="off" style="margin:0px;">


<input type="hidden" name="url" value="<?=$outlogin_url?>">


<table width="220" border="0" cellspacing="0" cellpadding="0">


<tr>


<td width=7 height=7><img src="<?=$outlogin_skin_path?>/img/bg_tl.gif" width=7></td>


<td background="<?=$outlogin_skin_path?>/img/bg_t.gif"></td>


<td width=6><img src="<?=$outlogin_skin_path?>/img/bg_tr.gif" width=6></td>


</tr>


<tr>


<td background="<?=$outlogin_skin_path?>/img/bg_ml.gif"></td>


<td>

<table width="210" border="0" cellpadding="0" cellspacing="0" style="margin:7px 0;">


<tr>


<td width="141">


<table width="141" border="0" cellpadding="0" cellspacing="0">


<tr>


<td width="35" height="23"><img src="<?=$outlogin_skin_path?>/img/login_id.gif" width="35" height="23"></td>


<td width="106" height="23" colspan="2" align="center"><input name="mb_id" type="text" class=ed size="12" maxlength="20" required itemname="아이디" value='아이디' onMouseOver='chkReset(this.form);' onFocus='chkReset(this.form);'></td>


</tr>


<tr>


<td width="35" height="23"><img src="<?=$outlogin_skin_path?>/img/login_pw.gif" width="35" height="23"></td>


<td id=pw1 width="106" height="23" colspan="2" align="center"><input type="text" class=ed size="12" maxlength="20" required itemname="패스워드" value='패스워드' onMouseOver='chkReset(this.form);' onfocus='chkReset(this.form);'></td>


<td id=pw2 style='display:none;' width="106" height="23" colspan="2" align="center"><input name="mb_password" id="outlogin_mb_password" type="password" class=ed size="12" maxlength="20" itemname="패스워드" onMouseOver='chkReset(this.form);' onfocus='chkReset(this.form);' onKeyPress="check_capslock(event, 'outlogin_mb_password');"></td>


</tr>


</table>


</td>


<td width="69" height="46" rowspan="2" align="center"><input type="image" src="<?=$outlogin_skin_path?>/img/login_button.gif" width="52" height="46"></td>


</tr>


</table>


<div style="clear:both; padding:2px 0 0 42px;">


<div style="float:left;"><input type="checkbox" name="auto_login" value="1" onclick="if (this.checked) { if (confirm('자동로그인을 사용하시면 다음부터 회원아이디와 패스워드를 입력하실 필요가 없습니다.\n\n\공공장소에서는 개인정보가 유출될 수 있으니 사용을 자제하여 주십시오.\n\n자동로그인을 사용하시겠습니까?')) { this.checked = true; } else { this.checked = false; } }"></div>


<div style="float:left; padding-left:5px;"><img src="<?=$outlogin_skin_path?>/img/login_auto.gif" width="46" height="28"></div>


</div>


<div style="clear:both; padding:0 0 7px 42px;">


<!-- <a href="javascript:win_password_forget();"><img src="<?=$outlogin_skin_path?>/img/login_pw_find_button.gif" width="90" height="20" border="0"></a> -->


<a href="javascript:win_password_lost();"><img src="<?=$outlogin_skin_path?>/img/login_pw_find_button.gif" width="90" height="20" border="0"></a>


<a href="<?=$g4[bbs_path]?>/register.php"><img src="<?=$outlogin_skin_path?>/img/login_join_button.gif" width="69" height="20" border="0"></a>


</div>


<td background="<?=$outlogin_skin_path?>/img/bg_mr.gif"></td>


</tr>


<tr>


<td height=7><img src="<?=$outlogin_skin_path?>/img/bg_bl.gif" width=7></td>


<td background="<?=$outlogin_skin_path?>/img/bg_b.gif"></td>


<td><img src="<?=$outlogin_skin_path?>/img/bg_br.gif" width=6></td>


</tr>


</table>

</form>



<script type="text/javascript">
function fhead_submit(f)
{


if (!f.mb_id.value) {


alert("회원아이디를 입력하십시오.");


f.mb_id.focus();


return false;


}



if (document.getElementById('pw2').style.display!='none' && !f.mb_password.value) {


alert("패스워드를 입력하십시오.");


f.mb_password.focus();


return false;


}



<?


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>


<!-- 로그인 전 외부로그인 끝 -->