diff --git a/adm/auth_list.php b/adm/auth_list.php
index dab3c51f7..9f5758b56 100644
--- a/adm/auth_list.php
+++ b/adm/auth_list.php
@@ -103,9 +103,9 @@ $colspan = 5;
             continue;
         }
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="hidden" name="au_menu[<?php echo $i ?>]" value="<?php echo $row['au_menu'] ?>">
             <input type="hidden" name="mb_id[<?php echo $i ?>]" value="<?php echo $row['mb_id'] ?>">
diff --git a/adm/board_list.php b/adm/board_list.php
index a97f3b3cb..dd7ed5eb2 100644
--- a/adm/board_list.php
+++ b/adm/board_list.php
@@ -119,10 +119,10 @@ $colspan = 16;
         $one_update = '<a href="./board_form.php?w=u&amp;bo_table='.$row['bo_table'].'&amp;'.$qstr.'">수정</a>';
         $one_copy = '<a href="./board_copy.php?bo_table='.$row['bo_table'].'" class="board_copy" target="win_board_copy">복사</a>';
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <label for="chk_<?php echo $i; ?>" class="sound_only"><?php echo get_text($row['bo_subject']) ?></label>
             <input type="checkbox" name="chk[]" value="<?php echo $i ?>" id="chk_<?php echo $i ?>">
diff --git a/adm/boardgroup_list.php b/adm/boardgroup_list.php
index 2f727e233..673485eb3 100644
--- a/adm/boardgroup_list.php
+++ b/adm/boardgroup_list.php
@@ -125,10 +125,10 @@ $colspan = 11;
 
         $s_upd = '<a href="./boardgroup_form.php?'.$qstr.'&amp;w=u&amp;gr_id='.$row['gr_id'].'">수정</a>';
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="hidden" name="group_id[<?php echo $i ?>]" value="<?php echo $row['gr_id'] ?>">
             <label for="chk_<?php echo $i; ?>" class="sound_only"><?php echo $row['gr_subject'] ?> 그룹</label>
diff --git a/adm/boardgroupmember_list.php b/adm/boardgroupmember_list.php
index a21918493..37549e711 100644
--- a/adm/boardgroupmember_list.php
+++ b/adm/boardgroupmember_list.php
@@ -110,9 +110,9 @@ $colspan = 7;
 
         $mb_nick = get_sideview($row['mb_id'], $row['mb_nick'], $row['mb_email'], $row['mb_homepage']);
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <label for="chk_<?php echo $i; ?>" class="sound_only"><?php echo $row['mb_nick'] ?> 회원</label>
             <input type="checkbox" name="chk[]" value="<?php echo $row['gm_id'] ?>" id="chk_<?php echo $i ?>">
diff --git a/adm/mail_list.php b/adm/mail_list.php
index dc1431731..2ac9d1237 100644
--- a/adm/mail_list.php
+++ b/adm/mail_list.php
@@ -57,10 +57,10 @@ $colspan = 7;
 
         $num = number_format($total_count - ($page - 1) * $config['cf_page_rows'] - $i);
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="checkbox" id="chk_<?php echo $i ?>" name="chk[]" value="<?php echo $row['ma_id'] ?>" title="메일선택">
         </td>
diff --git a/adm/mail_select_list.php b/adm/mail_select_list.php
index 7cce2e4fd..e95ca52a7 100644
--- a/adm/mail_select_list.php
+++ b/adm/mail_select_list.php
@@ -96,9 +96,9 @@ include_once('./admin.head.php');
         $ma_list .= $cr . $row['mb_email'] . "||" . $row['mb_id'] . "||" . $row['mb_name'] . "||" . $row['mb_nick'] . "||" . $row['mb_datetime'];
         $cr = "\n";
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_num"><?php echo $i ?></td>
         <td class="td_mbid"><?php echo $row['mb_id'] ?></td>
         <td class="td_mbname"><?php echo $row['mb_name'] ?></td>
diff --git a/adm/member_list.php b/adm/member_list.php
index b7ddc81e6..96bdd8fe9 100644
--- a/adm/member_list.php
+++ b/adm/member_list.php
@@ -187,7 +187,7 @@ $colspan = 15;
 
         $address = $row['mb_zip1'] ? $row['mb_addr1'].' '.$row['mb_addr2'] : '';
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
 
         switch($row['mb_certify']) {
             case 'hp':
@@ -209,7 +209,7 @@ $colspan = 15;
         }
     ?>
 
-    <tr <?php echo $tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td headers="mb_list_chk" class="td_chk" rowspan="2">
             <input type="hidden" name="mb_id[<?php echo $i ?>]" value="<?php echo $row['mb_id'] ?>" id="mb_id_<?php echo $i ?>">
             <label for="chk_<?php echo $i; ?>" class="sound_only"><?php echo $row['mb_name']; ?> <?php echo $row['mb_nick']; ?>님</label>
diff --git a/adm/point_list.php b/adm/point_list.php
index 7c6bde3b2..a6ea202ea 100644
--- a/adm/point_list.php
+++ b/adm/point_list.php
@@ -151,10 +151,10 @@ function point_clear()
         if($row['po_expired'] == 1)
             $expr = ' txt_expired';
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="hidden" name="mb_id[<?php echo $i ?>]" value="<?php echo $row['mb_id'] ?>" id="mb_id_<?php echo $i ?>">
             <input type="hidden" name="po_id[<?php echo $i ?>]" value="<?php echo $row['po_id'] ?>" id="po_id_<?php echo $i ?>">
diff --git a/adm/poll_list.php b/adm/poll_list.php
index 5320f2307..40070ed9a 100644
--- a/adm/poll_list.php
+++ b/adm/poll_list.php
@@ -105,10 +105,10 @@ $colspan = 7;
         $s_mod = '<a href="./poll_form.php?'.$qstr.'&amp;w=u&amp;po_id='.$row['po_id'].'">수정</a>';
         //$s_del = '<a href="javascript:post_delete(\'poll_form_update.php\', \''.$row['po_id'].'\');">삭제</a>';
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="checkbox" name="chk[]" value="<?php echo $row['po_id'] ?>" id="chk_<?php echo $i ?>" title="투표선택">
         </td>
diff --git a/adm/popular_list.php b/adm/popular_list.php
index 26b5c9773..bf5b2feb4 100644
--- a/adm/popular_list.php
+++ b/adm/popular_list.php
@@ -112,10 +112,10 @@ var list_delete_php = 'popular_list.php';
     for ($i=0; $row=sql_fetch_array($result); $i++) {
 
         $word = get_text($row['pp_word']);
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_chk">
             <input type="checkbox" name="chk[]" value="<?php echo $row['pp_id'] ?>" id="chk_<?php echo $i ?>" title="<?php echo $word ?> 선택">
         </td>
diff --git a/adm/visit_browser.php b/adm/visit_browser.php
index d6496ab1f..3c1656a6a 100644
--- a/adm/visit_browser.php
+++ b/adm/visit_browser.php
@@ -65,10 +65,10 @@ while ($row=sql_fetch_array($result)) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_num"><?php echo $no ?></td>
         <td class="td_category"><?php echo $key ?></td>
         <td>
diff --git a/adm/visit_date.php b/adm/visit_date.php
index 88bebbc7f..9f180df30 100644
--- a/adm/visit_date.php
+++ b/adm/visit_date.php
@@ -56,10 +56,10 @@ for ($i=0; $row=sql_fetch_array($result); $i++) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><a href="./visit_list.php?fr_date=<?php echo $key ?>&amp;to_date=<?php echo $key ?>"><?php echo $key ?></a></td>
         <td>
             <div class="visit_bar">
diff --git a/adm/visit_domain.php b/adm/visit_domain.php
index eb5bb60b6..2c3f9c919 100644
--- a/adm/visit_domain.php
+++ b/adm/visit_domain.php
@@ -76,9 +76,9 @@ while ($row=sql_fetch_array($result)) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_num"><?php echo $no ?></td>
         <td class="td_category"><?php echo $link ?><?php echo $key ?><?php echo $link2 ?></td>
         <td>
diff --git a/adm/visit_hour.php b/adm/visit_hour.php
index 83aef104f..5e6cb1922 100644
--- a/adm/visit_hour.php
+++ b/adm/visit_hour.php
@@ -55,9 +55,9 @@ for ($i=0; $row=sql_fetch_array($result); $i++) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><?php echo $hour ?></td>
         <td>
             <div class="visit_bar">
diff --git a/adm/visit_list.php b/adm/visit_list.php
index 090ded735..200cda1b5 100644
--- a/adm/visit_list.php
+++ b/adm/visit_list.php
@@ -78,9 +78,9 @@ $result = sql_query($sql);
         if ($brow == '기타') { $brow = '<span title="'.$row['vi_agent'].'">'.$brow.'</span>'; }
         if ($os == '기타') { $os = '<span title="'.$row['vi_agent'].'">'.$os.'</span>'; }
 
-        $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+        $tr_bg = 'tr_bg'.($i%2);
     ?>
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><?php echo $ip ?></td>
         <td><?php echo $link ?><?php echo $title ?><?php echo $link2 ?></td>
         <td class="td_category"><?php echo $brow ?></td>
@@ -98,7 +98,7 @@ $result = sql_query($sql);
 </div>
 
 <?php
-if (isset($domain)) 
+if (isset($domain))
     $qstr .= "&amp;domain=$domain";
 $qstr .= "&amp;page=";
 
diff --git a/adm/visit_month.php b/adm/visit_month.php
index 0bf1a2999..6a61e38d4 100644
--- a/adm/visit_month.php
+++ b/adm/visit_month.php
@@ -57,10 +57,10 @@ for ($i=0; $row=sql_fetch_array($result); $i++) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><a href="./visit_date.php?fr_date=<?php echo $key ?>-01&amp;to_date=<?php echo $key ?>-31"><?php echo $key ?></a></td>
         <td>
             <div class="visit_bar">
diff --git a/adm/visit_os.php b/adm/visit_os.php
index a5752e494..936237a72 100644
--- a/adm/visit_os.php
+++ b/adm/visit_os.php
@@ -69,10 +69,10 @@ while ($row=sql_fetch_array($result)) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_num"><?php echo $no ?></td>
         <td class="td_category"><?php echo $key ?></td>
         <td>
diff --git a/adm/visit_week.php b/adm/visit_week.php
index 917652ff1..d554d9be9 100644
--- a/adm/visit_week.php
+++ b/adm/visit_week.php
@@ -52,10 +52,10 @@ for ($i=0; $row=sql_fetch_array($result); $i++) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><?php echo $weekday[$i] ?></td>
         <td>
             <div class="visit_bar">
diff --git a/adm/visit_year.php b/adm/visit_year.php
index 181948564..a176ad681 100644
--- a/adm/visit_year.php
+++ b/adm/visit_year.php
@@ -57,10 +57,10 @@ for ($i=0; $row=sql_fetch_array($result); $i++) {
             $rate = ($count / $sum_count * 100);
             $s_rate = number_format($rate, 1);
 
-            $tr_bg = $i%2 ? 'class="tr_bg1"' : 'class="tr_bg0"';
+            $tr_bg = 'tr_bg'.($i%2);
     ?>
 
-    <tr<?php echo ' '.$tr_bg; ?>>
+    <tr class="<?php echo $tr_bg; ?>">
         <td class="td_category"><a href="./visit_month.php?fr_date=<?php echo $key ?>-01-01&amp;to_date=<?php echo $key ?>-12-31"><?php echo $key ?></a></td>
         <td>
             <div class="visit_bar">