diff --git a/shop/item.php b/shop/item.php
index 409f171b4..767c94f8b 100644
--- a/shop/item.php
+++ b/shop/item.php
@@ -1,6 +1,9 @@
 <?
 include_once('./_common.php');
 include_once(G4_LIB_PATH.'/iteminfo.lib.php');
+include_once(G4_GCAPTCHA_PATH.'/gcaptcha.lib.php');
+
+$captcha_html = captcha_html();
 
 // 불법접속을 할 수 없도록 세션에 아무값이나 저장하여 hidden 으로 넘겨서 다음 페이지에서 비교함
 $token = md5(uniqid(rand(), true));
@@ -721,26 +724,8 @@ function explan_resize_image()
 }
 </script>
 
-<script type="text/javascript" src="<?=$g4[path]?>/js/jquery.kcaptcha.js"></script>
 <script type="text/javascript">
 $(function() {
-    $("#kcaptcha_image_use, #kcaptcha_image_qa").bind("click", function() {
-        $.ajax({
-            type: 'POST',
-            url: g4_path+'/'+g4_bbs+'/kcaptcha_session.php',
-            cache: false,
-            async: false,
-            success: function(text) {
-                $("#kcaptcha_image_use, #kcaptcha_image_qa").attr('src', g4_path+'/'+g4_bbs+'/kcaptcha_image.php?t=' + (new Date).getTime());
-            }
-        });
-    })
-    .css('cursor', 'pointer')
-    .attr('title', '글자가 잘 안보이시는 경우 클릭하시면 새로운 글자가 나옵니다.')
-    .attr('width', '120')
-    .attr('height', '60')
-    .trigger('click');
-
     explan_resize_image();
 });
 </script>
diff --git a/shop/itemqa.inc.php b/shop/itemqa.inc.php
index 6fcdebb02..604229120 100644
--- a/shop/itemqa.inc.php
+++ b/shop/itemqa.inc.php
@@ -17,8 +17,8 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
                     <td width=40 background='<?=G4_SHOP_URL?>/img/box_bg01.gif'>번호</td>
                     <td background='<?=G4_SHOP_URL?>/img/box_bg01.gif'>제목</td>
                     <td width=80 background='<?=G4_SHOP_URL?>/img/box_bg01.gif'>작성자</td>
-                    <td width=100 background='<?=G4_SHOP_URL?>/box_bg01.gif'>작성일</td>
-                    <td width=80 background='<?=G4_SHOP_URL?>/box_bg01.gif'>답변</td>
+                    <td width=100 background='<?=G4_SHOP_URL?>/img/box_bg01.gif'>작성일</td>
+                    <td width=80 background='<?=G4_SHOP_URL?>/img/box_bg01.gif'>답변</td>
                 </tr>
                 </table></td>
             <td width=11><img src='<?=G4_SHOP_URL?>/img/corner02.gif'></td>
@@ -101,7 +101,7 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
                         <textarea id='tmp_iq_subject{$i}' style='display:none;'>{$row['iq_subject']}</textarea>
                         <textarea id='tmp_iq_question{$i}' style='display:none;'>{$row['iq_question']}</textarea>";
 
-            if ($row[mb_id] == $member[mb_id] && !$iq_answer)
+            if ($row['mb_id'] == $member['mb_id'] && !$iq_answer)
             {
                 echo "<a href='javascript:itemqa_update({$i});'><span class=small><b>수정</b></span></a>&nbsp;";
                 echo "<a href='javascript:itemqa_delete(fitemqa_password{$i}, {$i});'><span class=small><b>삭제</b></span></a>&nbsp;";
@@ -197,10 +197,8 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
             <td align=right>내용&nbsp;</td>
             <td>&nbsp;<textarea name="iq_question" rows="7" style='width:90%;' class=ed required itemname="내용"></textarea></td></tr>
         <tr bgcolor=#fafafa>
-            <td width=100 align=right><img id='kcaptcha_image_qa' /></td>
-            <td>
-                &nbsp;<input type='text' name='iq_key' class='ed' required itemname='자동등록방지용 코드'>
-                &nbsp;* 왼쪽의 자동등록방지 코드를 입력하세요.</td></tr>
+            <td colspan="2"><?=$captcha_html?></td>
+        </tr>
         <tr><td height=5 colspan=2></td></tr>
         <tr><td height=2 bgcolor=#63bcc0 colspan=2></td></tr>
         <tr><td colspan=2 align=right height=30><input type=image src='<?=G4_SHOP_URL?>/img/btn_confirm.gif' border=0></td></tr>
@@ -218,9 +216,7 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
 <script type="text/javascript">
 function fitemqa_submit(f)
 {
-    if (!check_kcaptcha(f.iq_key)) {
-        return false;
-    }
+    <? echo chk_captcha_js(); ?>
 
     f.action = "itemqaupdate.php";
     return true;
diff --git a/shop/itemqaupdate.php b/shop/itemqaupdate.php
index 16a7fa0d3..e9f29e640 100644
--- a/shop/itemqaupdate.php
+++ b/shop/itemqaupdate.php
@@ -1,5 +1,6 @@
 <?
 include_once('./_common.php');
+include_once(G4_GCAPTCHA_PATH.'/gcaptcha.lib.php');
 
 if ($w == '' || $w == 'u')
 {
@@ -9,10 +10,8 @@ if ($w == '' || $w == 'u')
     }
     */
 
-    $key = get_session("captcha_keystring");
-    if (!($key && $key == $_POST['iq_key'])) {
-        session_unregister("captcha_keystring");
-        alert("정상적인 접근이 아닌것 같습니다.");
+    if (!chk_captcha()) {
+        alert('자동등록방지 숫자가 틀렸습니다.');
     }
 
     /*
diff --git a/shop/itemuse.inc.php b/shop/itemuse.inc.php
index 3228aca7d..d74d3eed7 100644
--- a/shop/itemuse.inc.php
+++ b/shop/itemuse.inc.php
@@ -160,6 +160,7 @@ function itemusewin(query_string)
 }
 </script>
 
+        <? /*
         <!-- 사용후기 폼 -->
         <div id=itemuse style='display:none;'>
         <form name="fitemuse" method="post" onsubmit="return fitemuse_submit(this);" autocomplete=off style="padding:0px;">
@@ -195,16 +196,15 @@ function itemusewin(query_string)
                 <input type=radio name=is_score value='4'><img src='<?=G4_SHOP_URL?>/img/star2.gif' align=absmiddle>
                 <input type=radio name=is_score value='2'><img src='<?=G4_SHOP_URL?>/img/star1.gif' align=absmiddle></td></tr>
         <tr bgcolor=#fafafa>
-            <td width=100 align=right><img id='kcaptcha_image_use' /></td>
-            <td>
-                &nbsp;<input type='text' name='is_key' class='ed' required itemname='자동등록방지용 코드'>
-                &nbsp;* 왼쪽의 자동등록방지 코드를 입력하세요.</td></tr>
+            <td colspan="2"><?=$captcha_html?>abc</td>
+        </tr>
         <tr><td height=2 bgcolor=#6ea7d3 colspan=2></td></tr>
         <tr><td colspan=2 align=right height=30><input type=image src='<?=G4_SHOP_URL?>/img/btn_confirm.gif' border=0></a></td></tr>
         </table>
         </form>
         <br><br>
         </div>
+        */ ?>
     </td>
 </tr>
 <tr><td colspan=2 height=1></td></tr>
@@ -215,9 +215,7 @@ function itemusewin(query_string)
 <script type="text/javascript">
 function fitemuse_submit(f)
 {
-    if (!check_kcaptcha(f.is_key)) {
-        return false;
-    }
+    <? echo chk_captcha_js(); ?>
 
     f.action = "itemuseupdate.php"
     return true;
diff --git a/shop/itemuseupdate.php b/shop/itemuseupdate.php
index 1a7c64b66..aa998b227 100644
--- a/shop/itemuseupdate.php
+++ b/shop/itemuseupdate.php
@@ -1,5 +1,6 @@
 <?
 include_once('./_common.php');
+include_once(G4_GCAPTCHA_PATH.'/gcaptcha.lib.php');
 
 if ($w == '' || $w == 'u')
 {
@@ -9,10 +10,8 @@ if ($w == '' || $w == 'u')
     }
     */
 
-    $key = get_session("captcha_keystring");
-    if (!($key && $key == $_POST[is_key])) {
-        session_unregister("captcha_keystring");
-        alert("정상적인 접근이 아닌것 같습니다.");
+    if (!chk_captcha()) {
+        alert('자동등록방지 숫자가 틀렸습니다.');
     }
 
     /*
diff --git a/shop/itemusewin.php b/shop/itemusewin.php
index befd0c718..65127ea5b 100644
--- a/shop/itemusewin.php
+++ b/shop/itemusewin.php
@@ -28,7 +28,10 @@ if ($w == "u") {
 }
 
 include_once(G4_CKEDITOR_PATH.'/ckeditor.lib.php');
+include_once(G4_GCAPTCHA_PATH.'/gcaptcha.lib.php');
 include_once(G4_PATH.'/head.sub.php');
+
+$captcha_html = captcha_html();
 ?>
 <style>
 ul {list-style:none;margin:0px;padding:0px;}
@@ -60,9 +63,8 @@ label {width:130px;vertical-align:top;padding:3px 0;}
             <input type=radio name=is_score value='2'  <?=($is_score==2)?"checked='checked'":"";?>><img src='<?=G4_SHOP_URL?>/img/star1.gif' align=absmiddle>
         </li>
         <li>
-            <label style="vertical-align:middle;"><img id='kcaptcha_image_use' /></label>
-            <input type='text' name='is_key' class='ed' required itemname='자동등록방지용 코드'>
-            &nbsp;* 왼쪽의 자동등록방지 코드를 입력하세요.
+            <label style="vertical-align:middle;"></label>
+            <?=$captcha_html?>
         </li>
     </ul>
     <input type="submit" value="   확   인   ">
@@ -70,7 +72,6 @@ label {width:130px;vertical-align:top;padding:3px 0;}
     </form>
 </div>
 
-<script type="text/javascript" src="<?=$g4[path]?>/js/jquery.kcaptcha.js"></script>
 <script type="text/javascript">
 self.focus();
 
@@ -91,27 +92,13 @@ function fitemuse_submit(f)
 
     <? echo get_editor_js('is_content'); ?>
 
+    <? echo chk_captcha_js(); ?>
+
     f.action = "./itemusewinupdate.php";
 }
 
 $(function() {
     $("#is_subject").focus();
-    $("#kcaptcha_image_use").bind("click", function() {
-        $.ajax({
-            type: 'POST',
-            url: g4_path+'/'+g4_bbs+'/kcaptcha_session.php',
-            cache: false,
-            async: false,
-            success: function(text) {
-                $("#kcaptcha_image_use, #kcaptcha_image_qa").attr('src', g4_path+'/'+g4_bbs+'/kcaptcha_image.php?t=' + (new Date).getTime());
-            }
-        });
-    })
-    .css('cursor', 'pointer')
-    .attr('title', '글자가 잘 안보이시는 경우 클릭하시면 새로운 글자가 나옵니다.')
-    .attr('width', '120')
-    .attr('height', '60')
-    .trigger('click');
 });
 </script>
 <?
diff --git a/shop/itemusewinupdate.php b/shop/itemusewinupdate.php
index f0324b648..fc2b8141f 100644
--- a/shop/itemusewinupdate.php
+++ b/shop/itemusewinupdate.php
@@ -1,5 +1,6 @@
 <?
 include_once('./_common.php');
+include_once(G4_GCAPTCHA_PATH.'/gcaptcha.lib.php');
 
 if (!$is_member) {
     alert_close("사용후기는 회원만 평가가 가능합니다.");
@@ -9,11 +10,8 @@ $is_subject = trim($_REQUEST['is_subject']);
 $is_content = trim($_REQUEST['is_content']);
 
 if ($w == '' || $w == 'u') {
-    $key = get_session("captcha_keystring");
-    if (!($key && $key == $_POST['is_key'])) {
-        //session_unregister("captcha_keystring");
-        unset($_SESSION['captcha_keystring']);
-        alert("정상적인 접근이 아닌것 같습니다.");
+    if (!chk_captcha()) {
+        alert('자동등록방지 숫자가 틀렸습니다.');
     }
 
     $is_name     = $member['mb_name'];