diff --git a/.gitignore b/.gitignore
index e69de29bb..64293a626 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+data
+dbconfig.php
diff --git a/common.php b/common.php
index 0d26a8217..52560ef27 100644
--- a/common.php
+++ b/common.php
@@ -102,48 +102,48 @@ if ($_GET['g4_path'] || $_POST['g4_path'] || $_COOKIE['g4_path']) {
 //==========================================================================================================================
 // XSS(Cross Site Scripting) 공격에 의한 데이터 검증 및 차단
 //--------------------------------------------------------------------------------------------------------------------------
-function xss_clean($data) 
-{ 
-    // If its empty there is no point cleaning it :\ 
-    if(empty($data)) 
-        return $data; 
-         
-    // Recursive loop for arrays 
-    if(is_array($data)) 
-    { 
-        foreach($data as $key => $value) 
-        { 
-            $data[$key] = xss_clean($value); 
-        } 
-         
-        return $data; 
-    } 
-     
-    // http://svn.bitflux.ch/repos/public/popoon/trunk/classes/externalinput.php 
-    // +----------------------------------------------------------------------+ 
-    // | Copyright (c) 2001-2006 Bitflux GmbH                                 | 
-    // +----------------------------------------------------------------------+ 
-    // | Licensed under the Apache License, Version 2.0 (the "License");      | 
-    // | you may not use this file except in compliance with the License.     | 
-    // | You may obtain a copy of the License at                              | 
-    // | http://www.apache.org/licenses/LICENSE-2.0                           | 
-    // | Unless required by applicable law or agreed to in writing, software  | 
-    // | distributed under the License is distributed on an "AS IS" BASIS,    | 
-    // | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      | 
-    // | implied. See the License for the specific language governing         | 
-    // | permissions and limitations under the License.                       | 
-    // +----------------------------------------------------------------------+ 
-    // | Author: Christian Stocker <chregu@bitflux.ch>                        | 
-    // +----------------------------------------------------------------------+ 
-     
-    // Fix &entity\n; 
-    $data = str_replace(array('&amp;','&lt;','&gt;'), array('&amp;amp;','&amp;lt;','&amp;gt;'), $data); 
-    $data = preg_replace('/(&#*\w+)[\x00-\x20]+;/', '$1;', $data); 
-    $data = preg_replace('/(&#x*[0-9A-F]+);*/i', '$1;', $data); 
+function xss_clean($data)
+{
+    // If its empty there is no point cleaning it :\
+    if(empty($data))
+        return $data;
+
+    // Recursive loop for arrays
+    if(is_array($data))
+    {
+        foreach($data as $key => $value)
+        {
+            $data[$key] = xss_clean($value);
+        }
+
+        return $data;
+    }
+
+    // http://svn.bitflux.ch/repos/public/popoon/trunk/classes/externalinput.php
+    // +----------------------------------------------------------------------+
+    // | Copyright (c) 2001-2006 Bitflux GmbH                                 |
+    // +----------------------------------------------------------------------+
+    // | Licensed under the Apache License, Version 2.0 (the "License");      |
+    // | you may not use this file except in compliance with the License.     |
+    // | You may obtain a copy of the License at                              |
+    // | http://www.apache.org/licenses/LICENSE-2.0                           |
+    // | Unless required by applicable law or agreed to in writing, software  |
+    // | distributed under the License is distributed on an "AS IS" BASIS,    |
+    // | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
+    // | implied. See the License for the specific language governing         |
+    // | permissions and limitations under the License.                       |
+    // +----------------------------------------------------------------------+
+    // | Author: Christian Stocker <chregu@bitflux.ch>                        |
+    // +----------------------------------------------------------------------+
+
+    // Fix &entity\n;
+    $data = str_replace(array('&amp;','&lt;','&gt;'), array('&amp;amp;','&amp;lt;','&amp;gt;'), $data);
+    $data = preg_replace('/(&#*\w+)[\x00-\x20]+;/', '$1;', $data);
+    $data = preg_replace('/(&#x*[0-9A-F]+);*/i', '$1;', $data);
 
     if (function_exists("html_entity_decode"))
     {
-        $data = html_entity_decode($data); 
+        $data = html_entity_decode($data);
     }
     else
     {
@@ -152,32 +152,32 @@ function xss_clean($data)
         $data = strtr($data, $trans_tbl);
     }
 
-    // Remove any attribute starting with "on" or xmlns 
-    $data = preg_replace('#(<[^>]+?[\x00-\x20"\'])(?:on|xmlns)[^>]*+>#i', '$1>', $data); 
+    // Remove any attribute starting with "on" or xmlns
+    $data = preg_replace('#(<[^>]+?[\x00-\x20"\'])(?:on|xmlns)[^>]*+>#i', '$1>', $data);
 
-    // Remove javascript: and vbscript: protocols 
-    $data = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([`\'"]*)[\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#i', '$1=$2nojavascript...', $data); 
-    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#i', '$1=$2novbscript...', $data); 
-    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#', '$1=$2nomozbinding...', $data); 
+    // Remove javascript: and vbscript: protocols
+    $data = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([`\'"]*)[\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#i', '$1=$2nojavascript...', $data);
+    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#i', '$1=$2novbscript...', $data);
+    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#', '$1=$2nomozbinding...', $data);
 
-    // Only works in IE: <span style="width: expression(alert('Ping!'));"></span> 
-    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?expression[\x00-\x20]*\([^>]*+>#i', '$1>', $data); 
-    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?behaviour[\x00-\x20]*\([^>]*+>#i', '$1>', $data); 
-    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*+>#i', '$1>', $data); 
+    // Only works in IE: <span style="width: expression(alert('Ping!'));"></span>
+    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?expression[\x00-\x20]*\([^>]*+>#i', '$1>', $data);
+    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?behaviour[\x00-\x20]*\([^>]*+>#i', '$1>', $data);
+    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*+>#i', '$1>', $data);
 
-    // Remove namespaced elements (we do not need them) 
-    $data = preg_replace('#</*\w+:\w[^>]*+>#i', '', $data); 
+    // Remove namespaced elements (we do not need them)
+    $data = preg_replace('#</*\w+:\w[^>]*+>#i', '', $data);
 
-    do 
-    { 
-        // Remove really unwanted tags 
-        $old_data = $data; 
-        $data = preg_replace('#</*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|i(?:frame|layer)|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|title|xml)[^>]*+>#i', '', $data); 
-    } 
-    while ($old_data !== $data); 
-     
-    return $data; 
-} 
+    do
+    {
+        // Remove really unwanted tags
+        $old_data = $data;
+        $data = preg_replace('#</*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|i(?:frame|layer)|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|title|xml)[^>]*+>#i', '', $data);
+    }
+    while ($old_data !== $data);
+
+    return $data;
+}
 
 $_GET = xss_clean($_GET);
 //==========================================================================================================================
@@ -226,7 +226,7 @@ include_once("$g4[path]/lib/constant.php");  // 상수 정의
 include_once("$g4[path]/config.php");  // 설정 파일
 include_once("$g4[path]/lib/common.lib.php"); // 공통 라이브러리
 
-//header("Content-Type: text/html; charset={$g4['charset']}"); 
+//header("Content-Type: text/html; charset={$g4['charset']}");
 
 // config.php 가 있는곳의 웹경로
 if (!$g4['url'])
@@ -252,7 +252,7 @@ $dirname = dirname(__FILE__).'/';
 $dbconfig_file = "dbconfig.php";
 if (file_exists("$g4[path]/$dbconfig_file"))
 {
-    if (is_dir("$g4[path]/install")) die("<meta http-equiv='content-type' content='text/html; charset=$g4[charset]'><script type='text/javascript'> alert('install 디렉토리를 삭제하여야 정상 실행됩니다.'); </script>");
+    //if (is_dir("$g4[path]/install")) die("<meta http-equiv='content-type' content='text/html; charset=$g4[charset]'><script type='text/javascript'> alert('install 디렉토리를 삭제하여야 정상 실행됩니다.'); </script>");
 
     include_once("$g4[path]/$dbconfig_file");
     $connect_db = sql_connect($mysql_host, $mysql_user, $mysql_password);
diff --git a/company_h b/company_h
deleted file mode 100644
index 8ef1a7839..000000000
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diff --git a/logo_img b/logo_img
deleted file mode 100644
index 02f5454e9..000000000
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diff --git a/main_img b/main_img
deleted file mode 100644
index 79ce5dcfb..000000000
Binary files a/main_img and /dev/null differ
diff --git a/privacy_h b/privacy_h
deleted file mode 100644
index 2feaa4bf8..000000000
Binary files a/privacy_h and /dev/null differ
diff --git a/provision_h b/provision_h
deleted file mode 100644
index b65c3c439..000000000
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