diff --git a/bbs/board.php b/bbs/board.php
index aca7542b9..e4b883ba6 100644
--- a/bbs/board.php
+++ b/bbs/board.php
@@ -180,7 +180,7 @@ if ($member['mb_id'] && ($is_admin == 'super' || $group['gr_admin'] == $member['
 
 include_once('./board_head.php');
 
-echo "<script src=\"".$g4['url']."/js/sideview.js\"></script>";
+echo '<script src="'.G4_JS_URL.'/sideview.js"></script>';
 
 // 게시물 아이디가 있다면 게시물 보기를 INCLUDE
 if (isset($wr_id) && $wr_id) {
diff --git a/head.sub.php b/head.sub.php
index e60aa5779..975ed12bc 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -56,7 +56,11 @@ var g4_charset   = "<?=$g4['charset']?>";
 var g4_cookie_domain = "<?=$g4['cookie_domain']?>";
 var g4_is_gecko  = navigator.userAgent.toLowerCase().indexOf("gecko") != -1;
 var g4_is_ie     = navigator.userAgent.toLowerCase().indexOf("msie") != -1;
-<? if ($is_admin) { echo "var g4_admin = '{$g4['admin']}';"; } ?>
+<? 
+if ($is_admin) { 
+    echo PHP_EOL.'var g4_admin_url = "'.G4_ADMIN_URL.'";';
+} 
+?>
 </script>
 <script src="<?=G4_JS_URL?>/jquery-1.8.3.min.js"></script>
 <script src="<?=G4_JS_URL?>/common.js"></script>