head.php에 유쳇을 추가했는데 중앙정렬을 하려면 어떻게해야될지모르겟습니다. 채택완료

<?phpif (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가 include_once(G5_PATH.'/head.sub.php');include_once(G5_LIB_PATH.'/latest.lib.php');include_once(G5_LIB_PATH.'/outlogin.lib.php');include_once(G5_LIB_PATH.'/poll.lib.php');include_once(G5_LIB_PATH.'/visit.lib.php');include_once(G5_LIB_PATH.'/connect.lib.php');include_once(G5_LIB_PATH.'/popular.lib.php'); // 상단 파일 경로 지정 : 이 코드는 가능한 삭제하지 마십시오.if ($config['cf_include_head']) {    if (!@include_once($config['cf_include_head'])) {        die('기본환경 설정에서 상단 파일 경로가 잘못 설정되어 있습니다.');    }    return; // 이 코드의 아래는 실행을 하지 않습니다.} if (G5_IS_MOBILE) {    include_once(G5_MOBILE_PATH.'/head.php');    return;}?> <!-- 상단 시작 { --><div id="hd">    <h1 id="hd_h1"><?php echo $g5['title'] ?></h1>     <div id="skip_to_container"><a href="#container">본문 바로가기</a></div>     <?php    if(defined('_INDEX_')) { // index에서만 실행        include G5_BBS_PATH.'/newwin.inc.php'; // 팝업레이어    }    ?>     <div id="hd_wrapper">         <div id="logo">            <a href="<?php echo G5_URL ?>"><img src="<?php echo G5_IMG_URL ?>/logo.jpg" alt="<?php echo $config['cf_title']; ?>"></a>        </div>         <fieldset id="hd_sch">            <legend>사이트 내 전체검색</legend>            <form name="fsearchbox" method="get" action="<?php echo G5_BBS_URL ?>/search.php" onsubmit="return fsearchbox_submit(this);">            <input type="hidden" name="sfl" value="wr_subject||wr_content">            <input type="hidden" name="sop" value="and">            <label for="sch_stx" class="sound_only">검색어<strong class="sound_only"> 필수</strong></label>            <input type="text" name="stx" id="sch_stx" maxlength="20">            <input type="submit" id="sch_submit" value="검색">            </form>             <script>            function fsearchbox_submit(f)            {                if (f.stx.value.length < 2) {                    alert("검색어는 두글자 이상 입력하십시오.");                    f.stx.select();                    f.stx.focus();                    return false;                }                 // 검색에 많은 부하가 걸리는 경우 이 주석을 제거하세요.                var cnt = 0;                for (var i=0; i<f.stx.value.length; i++) {                    if (f.stx.value.charAt(i) == ' ')                        cnt++;                }                 if (cnt > 1) {                    alert("빠른 검색을 위하여 검색어에 공백은 한개만 입력할 수 있습니다.");                    f.stx.select();                    f.stx.focus();                    return false;                }                 return true;            }            </script>        </fieldset>         <div id="text_size">            <!-- font_resize('엘리먼트id', '제거할 class', '추가할 class'); -->            <button id="size_down" onclick="font_resize('container', 'ts_up ts_up2', '');"><img src="<?php echo G5_URL; ?>/img/ts01.gif" alt="기본"></button>            <button id="size_def" onclick="font_resize('container', 'ts_up ts_up2', 'ts_up');"><img src="<?php echo G5_URL; ?>/img/ts02.gif" alt="크게"></button>            <button id="size_up" onclick="font_resize('container', 'ts_up ts_up2', 'ts_up2');"><img src="<?php echo G5_URL; ?>/img/ts03.gif" alt="더크게"></button>        </div>         <ul id="tnb">            <?php if ($is_member) {  ?>            <?php if ($is_admin) {  ?>            <li><a href="<?php echo G5_ADMIN_URL ?>"><b>관리자</b></a></li>            <?php }  ?>            <li><a href="<?php echo G5_BBS_URL ?>/member_confirm.php?url=<?php echo G5_BBS_URL ?>/register_form.php">정보수정</a></li>            <li><a href="<?php echo G5_BBS_URL ?>/logout.php">로그아웃</a></li>            <?php } else {  ?>            <li><a href="<?php echo G5_BBS_URL ?>/register.php">회원가입</a></li>            <li><a href="<?php echo G5_BBS_URL ?>/login.php"><b>로그인</b></a></li>            <?php }  ?>            <li><a href="<?php echo G5_BBS_URL ?>/faq.php">FAQ</a></li>            <li><a href="<?php echo G5_BBS_URL ?>/qalist.php">1:1문의</a></li>            <li><a href="<?php echo G5_BBS_URL ?>/current_connect.php">접속자 <?php echo connect(); // 현재 접속자수  ?></a></li>            <li><a href="<?php echo G5_BBS_URL ?>/new.php">새글</a></li>        </ul>    </div>     <hr> <?php include_once(G5_PATH.'/skin/menu_yjn4/menu.php'); ?><?//2단메뉴 추가?><hr><?phpinclude_once('./_common.php');function chat_keycode($select, $key, $server, $nick='', $id='', $level='') {	//이 함수는 절대 수정하지 마세요.	if($select)		return md5(md5(iconv(mb_detect_encoding($nick, "UTF-8, EUC-KR, ASCII"), 'UTF-8', $nick).$key).$level.iconv(mb_detect_encoding($id, "UTF-8, EUC-KR, ASCII"), 'UTF-8', $id).$key);	else		return md5(md5($server['REMOTE_ADDR'].$key).$key);}?> <script src='http://uchat.co.kr/uchat.php' charset='UTF-8'></script><script type='text/javascript'>u_chat({room:'coolpis', md5:'<?php echo chat_keycode(1, 'aa473381bc9345910ff83ad56353bc31', $_SERVER, $member[mb_nick], $member[mb_id], $member[mb_level])?>', nick:'<?php echo $member[mb_nick]?>', mb_id:'<?php echo $member[mb_id]?>', level:'<?php echo $member[mb_level]?>', skin:'2', chat_record:true, width:'730', height:'250'});</script><?/*기존 그누보드5 기본메뉴 주석    <nav id="gnb">        <h2>메인메뉴</h2>        <ul id="gnb_1dul">            <?php            $sql = " select *                        from {$g5['menu_table']}                        where me_use = '1'                          and length(me_code) = '2'                        order by me_order, me_id ";            $result = sql_query($sql, false);            $gnb_zindex = 999; // gnb_1dli z-index 값 설정용             for ($i=0; $row=sql_fetch_array($result); $i++) {            ?>            <li class="gnb_1dli" style="z-index:<?php echo $gnb_zindex--; ?>">                <a href="<?php echo $row['me_link']; ?>" target="_<?php echo $row['me_target']; ?>" class="gnb_1da"><?php echo $row['me_name'] ?></a>                <?php                $sql2 = " select *                            from {$g5['menu_table']}                            where me_use = '1'                              and length(me_code) = '4'                              and substring(me_code, 1, 2) = '{$row['me_code']}'                            order by me_order, me_id ";                $result2 = sql_query($sql2);                 for ($k=0; $row2=sql_fetch_array($result2); $k++) {                    if($k == 0)                        echo '<ul class="gnb_2dul">'.PHP_EOL;                ?>                    <li class="gnb_2dli"><a href="<?php echo $row2['me_link']; ?>" target="_<?php echo $row2['me_target']; ?>" class="gnb_2da"><?php echo $row2['me_name'] ?></a></li>                <?php                }                 if($k > 0)                    echo '</ul>'.PHP_EOL;                ?>            </li>            <?php            }             if ($i == 0) {  ?>                <li id="gnb_empty">메뉴 준비 중입니다.<?php if ($is_admin) { ?> <br><a href="<?php echo G5_ADMIN_URL; ?>/menu_list.php">관리자모드 &gt; 환경설정 &gt; 메뉴설정</a>에서 설정하실 수 있습니다.<?php } ?></li>            <?php } ?>        </ul>    </nav>*/?></script>  </div>  <!-- } 상단 끝 --> <hr> <!-- 콘텐츠 시작 { --><div id="wrapper">    <div id="aside">        <?php echo outlogin('basic'); // 외부 로그인  ?>        <?php echo poll('basic'); // 설문조사  ?>    </div>    <div id="container">        <?php if ((!$bo_table || $w == 's' ) && !defined("_INDEX_")) { ?><div id="container_title"><?php echo $g5['title'] ?></div><?php } ?>