그누4스킨을 그누5로 변경 가능할까요?

<? function latest_rank($skin_dir="", $bo_table, $rows=10, $subject_len=40, $field="wr_link1_hit") {    global $g4;	     if ($skin_dir)        $latest_skin_path = "$g4[path]/skin/latest/$skin_dir";    else        $latest_skin_path = "$g4[path]/skin/latest/basic";         $sql = " select * from $g4[board_table] where bo_table = '$bo_table'";    $board = sql_fetch($sql); 	$list = array();	$rankinfo = array(); 	switch($field) {		case "wr_link1_hit":			$rankinfo = array("bo_subj"=>"bo_1_subj", "date"=>$board[bo_1_subj], "wr_no"=>"wr_1"); break;		case "wr_link2_hit":			$rankinfo = array("bo_subj"=>"bo_2_subj", "date"=>$board[bo_2_subj], "wr_no"=>"wr_2"); break;		case "wr_hit":			$rankinfo = array("bo_subj"=>"bo_3_subj", "date"=>$board[bo_3_subj], "wr_no"=>"wr_3"); break;		case "wr_good":			$rankinfo = array("bo_subj"=>"bo_4_subj", "date"=>$board[bo_4_subj], "wr_no"=>"wr_4"); break;		case "wr_nogood":			$rankinfo = array("bo_subj"=>"bo_5_subj", "date"=>$board[bo_5_subj], "wr_no"=>"wr_5"); break;					default:			return "<span style='font-size:12px'>$field 필드는 사용하실 수 없습니다. <br> 사용가능한 필드명을 확인하시기 바랍니다.</span>";	} 	// 설정	$m3_cron[ori_ymd]  = $rankinfo['date'];	$m3_cron[path] = "$latest_skin_path/m3cron";	$m3_cron[ymd] = date("Y-m-d");	$m3_cron[m] = date("m");	$m3_cron[w] = date("D");	$m3_cron[d] = date("d");	$m3_cron[ori_m] = substr($m3_cron[ori_ymd], 5, 2);	$m3_cron[ori_w] = date("D", strtotime($m3_cron[ori_ymd]));	$m3_cron[ori_d] = substr($m3_cron[ori_ymd], -2);		$m3_cron[field] = $field; 	$str_notice = str_replace("\n", ",", trim($board[bo_notice]));	if ($str_notice) $str_notice = " and wr_id not in (" . $str_notice . ") ";     $tmp_write_table = $g4['write_prefix'] . $bo_table; // 게시판 테이블 전체이름    $sql = " select * from $tmp_write_table where wr_is_comment=0 $str_notice order by $field desc limit 0, $rows ";     $result = sql_query($sql);    for ($i=0; $row = sql_fetch_array($result); $i++)         $list[$i] = get_list($row, $board, $latest_skin_path, $subject_len);        ob_start();    include "$latest_skin_path/latest.skin.php";    $content = ob_get_contents();    ob_end_clean();     return $content;}?>

<?phpif (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가  if (!function_exists("imagecopyresampled")) alert("GD 2.0.1 이상 버전이 설치되어 있어야 사용할 수 있습니다.");include_once "$latest_skin_path/m3cron.extend.php"; $img_width		= '130';			//썸네일 가로길이 $img_height		= '80';				//썸네일 세로길이 $img_quality	= '100';				//퀼리티 100이하로 설정$data_path = $g4[path]."/data/file/$bo_table";$thumb_path = $data_path.'/thumb'; //썸네일 이미지 생성 디렉토리@mkdir($thumb_path, 0707);@chmod($thumb_path, 0707); $latest_subject = $board[bo_subject];// 제목 // 오늘이 아니면 날짜 업데이트 해놓고 이하 실행if($m3_cron[ori_ymd] != $m3_cron[ymd]) {	sql_query("update $g4[board_table] set $rankinfo[bo_subj] = '$m3_cron[ymd]' where bo_table='$bo_table' ");	rank_update($bo_table, $field, $rankinfo);	}?> <style type="text/css">#latest_rank td {	text-overflow:ellipsis;overflow:hidden;white-space:nowrap;font-size:11px;font-family:돋움;}#latest_rank a:link, a:visited, a:active { text-decoration:none; }#latest_rank a:hover { text-decoration:none; }.lank_line { border-top:2px solid #333333; border-bottom:1px solid #CCCCCC; text-align:center; font-weight:bold; background-image:url(<?=$latest_skin_path?>/img/lank_bg.gif); height:32px; padding-left:3px; }.style1 {	color: #0000FF;	font-weight: bold;}</style><script type="text/javascript" src="<?=$g4['path']?>/js/common.js"></script><div style="height:46px;">  <img src="<?=$latest_skin_path?>/img/rank_title.gif" border="0" align="absmiddle"></a></div><table width=100% cellpadding=0 cellspacing=0 align="center"><tr>    <td align=center  style="BORDER-BOTTOM:1px solid #ebebeb; OVERFLOW: hidden">        <table width=100% align="center" border="0" cellpadding="0" cellspacing="0">        <tr>        	<td width="110" valign="middle" class="lank_line">평가순위</td>            <td width="150" valign="middle" class="lank_line">이미지</td>             <td valign="middle" class="lank_line">세부정보</td>            <td width="150" class="lank_line">클릭수</td>            <td width="50" valign="middle" class="lank_line">등락</td>        <tr><? for ($i=0; $i<count($list); $i++) { 		//썸네일 생성$thumfile = "";    $thumb = $thumb_path.'/'.$list[$i][wr_id];    // 썸네일 이미지가 존재하지 않는다면    if (!file_exists($thumb)) {        $file = $list[$i][file][0][path] .'/'. $list[$i][file][0][file];        // 업로드된 파일이 이미지라면        if (preg_match("/\.(jp[e]?g|gif|png)$/i", $file) && file_exists($file)) {            $size = getimagesize($file);            if ($size[2] == 1)                $src = imagecreatefromgif($file);            else if ($size[2] == 2)                $src = imagecreatefromjpeg($file);            else if ($size[2] == 3)                 $src = imagecreatefrompng($file);             else                break;             $rate = $img_width / $size[0];            $height = (int)($size[1] * $rate);             // 계산된 썸네일 이미지의 높이가 설정된 이미지의 높이보다 작다면            if ($height < $img_height)                // 계산된 이미지 높이로 복사본 이미지 생성                $dst = imagecreatetruecolor($img_width, $height);            else                // 설정된 이미지 높이로 복사본 이미지 생성                $dst = imagecreatetruecolor($img_width, $img_height);            imagecopyresampled($dst, $src, 0, 0, 0, 0, $img_width, $height, $size[0], $size[1]);            imagejpeg($dst, $thumb_path.'/'.$list[$i][wr_id], $img_quality);            chmod($thumb_path.'/'.$list[$i][wr_id], 0606); 	    }	}    if (file_exists($thumb))        $thumfile = "<img src='$thumb' width='{$img_width}' height='{$img_height}' border='0' style='border:5 #eee solid' onmouseover=this.style.filter='alpha(opacity=60)' onmouseout=this.style.filter='' title='{$list[$i][subject]}'></a>";		else		//이미지가 없으면		$thumfile="<img src='$latest_skin_path/img/noimg.gif' width='{$img_width}' height='{$img_height}' style='border:1 #E7E7E7 solid'></a>";		//이미지가 아니네        if(preg_match("/\.(swf|wma|asf)$/i","$file") && file_exists($file))       { $thumfile = "<script>doc_write(flash_movie('$file', 'flash$i', '$img_width', '$img_height', 'transparent'));</script>"; } ?>        <tr>        	<td height="110" valign="middle" align="center" style="BORDER-BOTTOM:1px solid #ebebeb;">				<span style="color:#FF0000; font-size:15px; font-weight:bold;"><strong>			<?=$i+1;?> 위			</strong></span></td>        	<td valign="middle" style="BORDER-BOTTOM:1px solid #ebebeb;">			<a href='<?=$list[$i][href]?>' target=_self><?=$thumfile?></a>            </td>            <td align="left" width="520" valign="middle" style="BORDER-BOTTOM:1px solid #ebebeb; font-size:15px; padding-left:20px; word-break:break-all; ">            <div style=" margin-bottom:10px;">				<? switch($m3_cron[field]) {						case "wr_hit":							$link = "<img src='{$latest_skin_path}/img/rank_home_btn.gif' align='absmiddle'>&nbsp;<a href='{$list[$i][link_href][1]}' target=_blank><span style='color:#032db4; font-weight:bold;'>{$list[$i][wr_subject]}</span></a>";							break;						case "wr_hit":							$link = "<img src='{$latest_skin_path}/img/rank_home_btn.gif' align='absmiddle'>&nbsp;<a href='{$list[$i][link_href][2]}' target=_blank><span style='color:#032db4; font-weight:bold;'>{$list[$i][wr_subject]}</span></a>";							break;						case "wr_hit":						case "wr_good":						case "wr_nogood":							$link = "<img src='{$latest_skin_path}/img/rank_home_btn.gif' align='absmiddle'>&nbsp;<a href='{$list[$i][href]}'><span style='color:#032db40; font-weight:bold;'>{$list[$i][subject]}</span></a>";							break;						default:							$link = "필드를 찾을 수 없습니다.";						}						echo $link;				?>              </div>              <div><a href="<?=$list[$i][href]?>">              <span style="font-size:12px; font-family:돋움; word-break:break-all; display:block; letter-spacing:-1px; line-height:14px; color:#666666; clear:both;"><?=cut_str(strip_tags($list[$i][wr_content]),250,"...")?></span>              </div>              <div style="padding-top:5px; font-size:15px; color:#009900;"><a href="<?=$list[$i][link_href][1]?>" target=_blank><span style="color:#009900;"><strong><?=cut_str($list[$i][wr_link1], 35)?></strong></span></a></div>	 			</td>            <td style="BORDER-BOTTOM:1px solid #ebebeb;" align="center">            <img src="<?=$latest_skin_path?>/img/site_click.gif" align="absmiddle"><br /> <span style="color:#ff0000; font-size:14px; font-weight:bold;"><?=$list[$i][wr_hit]?></span>            </td>            <td align=right style="font-family:돋움;font-size:17px;color:gray; BORDER-BOTTOM:1px solid #ebebeb; padding-right:14px; font-weight:bold;">			<?						if (!empty($list[$i][$rankinfo[wr_no]])) //어제 순위가 있다면				$ratio = $list[$i][$rankinfo[wr_no]] - ($i+1);			else				$ratio = 0; // 어제 순위가 없다면 오늘 순위							echo $ratio . "&nbsp;";			if ($ratio > 0)				echo "<img src='$latest_skin_path/img/up.gif'>";			else if ($ratio < 0)				echo "<img src='$latest_skin_path/img/down.gif'>";			else				echo "<img src='$latest_skin_path/img/zero.gif'>";			//echo " hit: " . $list[$i][$field];			//echo " ye: " . $list[$i][wr_1];			//echo " to: " . ($i+1);            ?></td>          </tr>		<? } ?>        </table>	</td></tr> <? if (count($list) == 0) { ?><tr><td align=center height=50><font color=#6A6A6A>게시물이 없습니다.</a></td></tr><? } ?></table> </div>

<? function rank_update($bo_table, $field, $rankinfo) { 	global $g4;		$tmp_write_table = $g4['write_prefix'] . $bo_table; // 게시판 테이블 전체이름	$sql = " select wr_id from $tmp_write_table where wr_is_comment = 0 order by $field desc ";	$result = sql_query($sql);		for ($i=0; $row = sql_fetch_array($result); $i++)  {		$sql = "update $tmp_write_table set $rankinfo[wr_no] = '" . ($i+1) . "' where wr_id=".$row[wr_id];		sql_query($sql);	}} ?>