diff --git a/extend/shop.extend.php b/extend/shop.extend.php
index 49b4812da..9489fe3d1 100644
--- a/extend/shop.extend.php
+++ b/extend/shop.extend.php
@@ -1,7 +1,7 @@
 <?
 if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 
-define('G4_USE_SHOP', false);
+define('G4_USE_SHOP', true);
 
 if (!defined('G4_USE_SHOP') || !G4_USE_SHOP) return;
 
@@ -69,13 +69,67 @@ $g4['shop_coupon_table']        = G4_TABLE_PREFIX.'shop_coupon';
 $g4['shop_coupon_history_table']= G4_TABLE_PREFIX.'shop_coupon_history';        // 쿠폰사용내역 테이블
 $g4['shop_sendcost_table']      = G4_TABLE_PREFIX.'shop_sendcost';              // 추가배송비 테이블
 $g4['shop_item_info_table']     = G4_TABLE_PREFIX.'shop_item_info';             // 상품요약정보 테이블 (상품정보고시)
+//==============================================================================
 
+
+//==============================================================================
+// 주문상태를 & 연산을 위해 상수로 선언
+// 중간에 주석처리된 숫자는 중간에 추가될수 있으므로 여분으로 남긴다.
+//------------------------------------------------------------------------------
+// 절대 수정하시면 안됩니다.
+//------------------------------------------------------------------------------
+define('G4_STATUS_CART', '장바구니');
+define('G4_STATUS_ORDER', '입금대기');
+define('G4_STATUS_SETTLE', '결제완료');
+define('G4_STATUS_STANDBY', '배송준비');
+define('G4_STATUS_DELIVERY', '배송완료');
+define('G4_STATUS_PURCHASE', '구매확정');
+
+
+//==============================================================================
+// 상품유형을 & 연산을 위해 상수로 선언
+// 합계 = 1,073,741,823 
+// MySQL Interger 의 경우 -2,147,483,648 ~ 2,147,483,647 이므로 
+// 정수형 필드 한개를 사용하여 & 연산으로 30개 조건을 만족한다.
+//------------------------------------------------------------------------------
+// 절대 수정하시면 안됩니다.
+//------------------------------------------------------------------------------
+define('G4_TYPE1', 1);
+define('G4_TYPE2', 2);
+define('G4_TYPE3', 4);
+define('G4_TYPE4', 8);
+define('G4_TYPE5', 16);
+define('G4_TYPE6', 32);
+define('G4_TYPE7', 64);
+define('G4_TYPE8', 128);
+define('G4_TYPE9', 256);
+define('G4_TYPE10', 512);
+define('G4_TYPE11', 1024);
+define('G4_TYPE12', 2048);
+define('G4_TYPE13', 4096);
+define('G4_TYPE14', 8192);
+define('G4_TYPE15', 16384);
+define('G4_TYPE16', 32768);
+define('G4_TYPE17', 65536);
+define('G4_TYPE18', 131072);
+define('G4_TYPE19', 262144);
+define('G4_TYPE20', 524288);
+define('G4_TYPE21', 1048576);
+define('G4_TYPE22', 2097152);
+define('G4_TYPE23', 4194304);
+define('G4_TYPE24', 8388608);
+define('G4_TYPE25', 16777216);
+define('G4_TYPE26', 33554432);
+define('G4_TYPE27', 67108864);
+define('G4_TYPE28', 134217728);
+define('G4_TYPE29', 268435456);
+define('G4_TYPE30', 536870912);
 //==============================================================================
 
 
 //==============================================================================
 // 쇼핑몰 필수 실행코드 모음 시작
-//==============================================================================
+//------------------------------------------------------------------------------
 // 쇼핑몰 설정값 배열변수
 $default = sql_fetch(" select * from {$g4['shop_default_table']} ");
 
diff --git a/head.php b/head.php
index 7d2e759f1..eb4919b3a 100644
--- a/head.php
+++ b/head.php
@@ -26,15 +26,15 @@ include_once(G4_LIB_PATH.'/popular.lib.php');
 
         <ul id="snb">
             <? if ($is_member) { ?>
-            <? if ($is_admin) { ?><li><a href="<?=G4_ADMIN_URL?>"><img src="<?=$g4['url']?>/img/snb_adm.jpg" alt="관리자" width="26" height="26"></a></li><? } ?>
-            <li><a href="<?=G4_BBS_URL?>/member_confirm.php?url=<?=G4_BBS_URL?>/register_form.php"><img src="<?=$g4['url']?>/img/snb_modify.jpg" alt="정보수정" width="26" height="26"></a></li>
-            <li><a href="<?=G4_BBS_URL?>/logout.php"><img src="<?=$g4['url']?>/img/snb_logout.jpg" alt="로그아웃" width="26" height="26"></a></li>
+            <? if ($is_admin) { ?><li><a href="<?=G4_ADMIN_URL?>"><img src="<?=G4_IMG_URL?>/snb_adm.jpg" alt="관리자" width="26" height="26"></a></li><? } ?>
+            <li><a href="<?=G4_BBS_URL?>/member_confirm.php?url=<?=G4_BBS_URL?>/register_form.php"><img src="<?=G4_IMG_URL?>/snb_modify.jpg" alt="정보수정" width="26" height="26"></a></li>
+            <li><a href="<?=G4_BBS_URL?>/logout.php"><img src="<?=G4_IMG_URL?>/snb_logout.jpg" alt="로그아웃" width="26" height="26"></a></li>
             <? } else { ?>
-            <li><a href="<?=G4_BBS_URL?>/register.php"><img src="<?=$g4['url']?>/img/snb_join.jpg" alt="회원가입" width="26" height="26"></a></li>
-            <li><a href="<?=G4_BBS_URL?>/login.php"><img src="<?=$g4['url']?>/img/snb_login.jpg" alt="로그인" width="26" height="26"></a></li>
+            <li><a href="<?=G4_BBS_URL?>/register.php"><img src="<?=G4_IMG_URL?>/snb_join.jpg" alt="회원가입" width="26" height="26"></a></li>
+            <li><a href="<?=G4_BBS_URL?>/login.php"><img src="<?=G4_IMG_URL?>/snb_login.jpg" alt="로그인" width="26" height="26"></a></li>
             <? } ?>
-            <li><a href="<?=G4_BBS_URL?>/current_connect.php"><img src="<?=$g4['url']?>/img/snb_cnt.jpg" alt="현재접속자" width="26" height="26"><?=connect(); // 현재 접속자수 ?></a></li>
-            <li><a href="<?=G4_BBS_URL?>/new.php"><img src="<?=$g4['url']?>/img/snb_new.jpg" alt="최근게시물" width="26" height="26"></a></li>
+            <li><a href="<?=G4_BBS_URL?>/current_connect.php"><img src="<?=G4_IMG_URL?>/snb_cnt.jpg" alt="현재접속자" width="26" height="26"><?=connect(); // 현재 접속자수 ?></a></li>
+            <li><a href="<?=G4_BBS_URL?>/new.php"><img src="<?=G4_IMG_URL?>/snb_new.jpg" alt="최근게시물" width="26" height="26"></a></li>
         </ul>
 
         <fieldset id="schall">
diff --git a/shop/index.php b/shop/index.php
index c471117a1..7533500f4 100644
--- a/shop/index.php
+++ b/shop/index.php
@@ -5,6 +5,12 @@ include_once(G4_LIB_PATH.'/thumbnail.lib.php');
 
 define("G4_SHOP_INDEX", TRUE);
 
+$sum = 0;
+for ($i=1; $i<=30; $i++) {
+    $sum += constant('G4_TYPE'.$i);
+}
+echo $sum;
+
 $g4['title'] = $default['de_admin_company_name'];
 include_once('./_head.php');
 ?>