diff --git a/modules/document/document.admin.controller.php b/modules/document/document.admin.controller.php
index ab7944110..d36b5aff9 100644
--- a/modules/document/document.admin.controller.php
+++ b/modules/document/document.admin.controller.php
@@ -471,13 +471,21 @@ class documentAdminController extends document
 		$oDocumentModel = getModel('document');
 		$config = $oDocumentModel->getDocumentConfig();
 		$config->view_count_option = Context::get('view_count_option');
+		$config->icons = Context::get('icons');
+		$config->micons = Context::get('micons');
 
 		// Insert by creating the module Controller object
 		$oModuleController = getController('module');
 		$output = $oModuleController->insertModuleConfig('document',$config);
+		if(!$output->toBool())
+		{
+			return $output;
+		}
+
+		$this->setMessage('success_updated');
 
 		$returnUrl = Context::get('success_return_url') ? Context::get('success_return_url') : getNotEncodedUrl('', 'module', 'admin', 'act', 'dispDocumentAdminConfig');
-		return $this->setRedirectUrl($returnUrl, $output);
+		$this->setRedirectUrl($returnUrl, $output);
 	}
 
 	/**
@@ -503,10 +511,11 @@ class documentAdminController extends document
 	 */
 	function procDocumentAdminDeleteAllThumbnail()
 	{
-		// delete all of thumbnail_ *. jpg files from files/attaches/images/ directory (prior versions to 1.0.4)
-		$this->deleteThumbnailFile('./files/attach/images');
-		// delete a directory itself, files/thumbnails (thumbnail policies have changed since version 1.0.5)
-		FileHandler::removeFilesInDir('./files/thumbnails');
+		$temp_cache_dir = './files/thumbnails_' . $_SERVER['REQUEST_TIME'];
+		FileHandler::rename('./files/thumbnails', $temp_cache_dir);
+		FileHandler::makeDir('./files/thumbnails');
+
+		FileHandler::removeDir($temp_cache_dir);
 
 		$this->setMessage('success_deleted');
 	}
diff --git a/modules/document/document.admin.view.php b/modules/document/document.admin.view.php
index 76a827b7d..36bac493d 100644
--- a/modules/document/document.admin.view.php
+++ b/modules/document/document.admin.view.php
@@ -148,6 +148,13 @@ class documentAdminView extends document
 		$config = $oDocumentModel->getDocumentConfig();
 		Context::set('config',$config);
 
+		$oModuleModel = getModel('module');
+		$pcIconSkinList = $oModuleModel->getSkins($this->module_path . 'tpl', 'icons');
+		$mobileIconSkinList = $oModuleModel->getSkins($this->module_path . 'tpl', 'micons');
+
+		Context::set('pcIconSkinList', $pcIconSkinList);
+		Context::set('mobileIconSkinList', $mobileIconSkinList);
+
 		// Set the template file
 		$this->setTemplatePath($this->module_path.'tpl');
 		$this->setTemplateFile('document_config');
diff --git a/modules/document/document.item.php b/modules/document/document.item.php
index a0803496a..e0bf051c7 100644
--- a/modules/document/document.item.php
+++ b/modules/document/document.item.php
@@ -1188,9 +1188,27 @@ class documentItem extends Object
 	 */
 	function printExtraImages($time_check = 43200)
 	{
-		if(!$this->document_srl) return;
-		// Get the icon directory
-		$path = sprintf('%s%s',getUrl(), 'modules/document/tpl/icons/');
+		if (!$this->document_srl)
+		{
+			return;
+		}
+
+		$oDocumentModel = getModel('document');
+		$documentConfig = $oDocumentModel->getDocumentConfig();
+
+		if(Mobile::isFromMobilePhone())
+		{
+			$iconSkin = $documentConfig->micons;
+		}
+		else
+		{
+			$iconSkin = $documentConfig->icons;
+		}
+		if($iconSkin == null)
+		{
+			$iconSkin = 'default';
+		}
+		$path = sprintf('%s%s',getUrl(), "modules/document/tpl/icons/$iconSkin/");
 
 		$buffs = $this->getExtraImages($time_check);
 		if(!count($buffs)) return;
diff --git a/modules/document/document.model.php b/modules/document/document.model.php
index 194e2bdb0..cb6c2a3d3 100644
--- a/modules/document/document.model.php
+++ b/modules/document/document.model.php
@@ -10,6 +10,8 @@
  */
 class documentModel extends document
 {
+	private $documentConfig = NULL;
+
 	/**
 	 * Initialization
 	 * @return void
@@ -935,15 +937,18 @@ class documentModel extends document
 	 */
 	function getDocumentConfig()
 	{
-		if(!$GLOBALS['__document_config__'])
+		if ($this->documentConfig === NULL)
 		{
 			$oModuleModel = getModel('module');
 			$config = $oModuleModel->getModuleConfig('document');
 
-			if(!$config) $config = new stdClass();
-			$GLOBALS['__document_config__'] = $config;
+			if (!$config)
+			{
+				$config = new stdClass();
+			}
+			$this->documentConfig = $config;
 		}
-		return $GLOBALS['__document_config__'];
+		return $this->documentConfig;
 	}
 
 	/**
@@ -1610,6 +1615,22 @@ class documentModel extends document
 
 		return false;
 	}
+
+	function getDocumentExtraImagePath()
+	{
+		$documentConfig = getModel('document')->getDocumentConfig();
+		if(Mobile::isFromMobilePhone())
+		{
+			$iconSkin = $documentConfig->micons;
+		}
+		else
+		{
+			$iconSkin = $documentConfig->icons;
+		}
+		$path = sprintf('%s%s',getUrl(), "modules/document/tpl/icons/$iconSkin/");
+
+		return $path;
+	}
 }
 /* End of file document.model.php */
 /* Location: ./modules/document/document.model.php */
diff --git a/modules/document/lang/en.php b/modules/document/lang/en.php
index b9f9787f1..6b1058408 100644
--- a/modules/document/lang/en.php
+++ b/modules/document/lang/en.php
@@ -10,6 +10,8 @@ $lang->category_color = 'Category Font Color';
 $lang->expand = 'Expand';
 $lang->category_group_srls = 'Accessable Group';
 $lang->cmd_make_child = 'Add Child Category';
+$lang->cmd_pc_icon_setting = 'PC icon setting';
+$lang->cmd_mobile_icon_setting = 'Mobile icon setting';
 $lang->cmd_enable_move_category = 'Change category position (Select a category and drag it to the position you want.)';
 $lang->about_category_title = 'Please enter a category name.';
 $lang->about_expand = 'Select this option, and they will stay expanded.';
diff --git a/modules/document/lang/ko.php b/modules/document/lang/ko.php
index f1f9b5f49..0f49447a2 100644
--- a/modules/document/lang/ko.php
+++ b/modules/document/lang/ko.php
@@ -6,6 +6,8 @@ $lang->view_count_option_some = '일부 계산';
 $lang->view_count_option_once = '중복 금지';
 $lang->view_count_option_none = '계산 안함';
 $lang->cmd_delete_all_thumbnail = '섬네일 모두 삭제';
+$lang->cmd_pc_icon_setting = 'PC아이콘 설정';
+$lang->cmd_mobile_icon_setting = '모바일 아이콘 설정';
 $lang->title_bold = '제목 굵게';
 $lang->title_color = '제목 색깔';
 $lang->new_document_count = '새 글';
@@ -21,6 +23,8 @@ $lang->about_view_count_option = '조회수설정에 따라 중복 조회수 카
 $lang->about_expand = '선택하면 늘 펼쳐진 상태로 있게 합니다.';
 $lang->about_category_group_srls = '선택한 그룹만 현재 카테고리를 지정할 수 있도록 합니다.';
 $lang->about_category_color = '분류 폰트색깔을 지정합니다. 예) red 또는 #ff0000';
+$lang->about_cmd_pc_icon_setting = '게시판 새로운 글 혹은 수정되었을 때 출력하는 아이콘입니다. 기본값은 default 입니다. 사용않함을 선택할 경우 default 스킨이 기본값으로 출력됩니다.';
+$lang->about_cmd_mobile_icon_setting = '게시판 새로운 글 혹은 수정되었을 때 출력하는 아이콘입니다. 기본값은 default 입니다. 사용않함을 선택할 경우 default 스킨이 기본값으로 출력됩니다.';
 $lang->cmd_search_next = '계속 검색';
 $lang->cmd_temp_save = '임시 저장';
 $lang->cmd_toggle_checked_document = '선택항목 반전';
diff --git a/modules/document/tpl/document_config.html b/modules/document/tpl/document_config.html
index 06c545e6d..0f0781b40 100644
--- a/modules/document/tpl/document_config.html
+++ b/modules/document/tpl/document_config.html
@@ -19,6 +19,28 @@
 			</div>
 		</div>
 	</div>
+	<div class="x_control-group">
+		<label class="x_control-label" for="icons">{$lang->cmd_pc_icon_setting}</label>
+		<div class="x_controls">
+			<select name="icons" id="icons">
+				<option value="">{$lang->notuse}</option>
+				<option loop="$pcIconSkinList => $key, $val" value="{$val->title}" selected="selected"|cond="$config->icons == $val->title">{$val->title}</option>
+			</select>
+			<a href="#icons_help" class="x_icon-question-sign" data-toggle>{$lang->help}</a>
+			<p id="icons_help" class="x_help-block" hidden>{$lang->about_cmd_pc_icon_setting}</p>
+		</div>
+	</div>
+	<div class="x_control-group">
+		<label class="x_control-label" for="micons">{$lang->cmd_mobile_icon_setting}</label>
+		<div class="x_controls">
+			<select name="micons" id="micons">
+				<option value="">{$lang->notuse}</option>
+				<option loop="$pcIconSkinList => $key, $val" value="{$val->title}" selected="selected"|cond="$config->micons == $val->title">{$val->title}</option>
+			</select>
+			<a href="#micons_help" class="x_icon-question-sign" data-toggle>{$lang->help}</a>
+			<p id="micons_help" class="x_help-block" hidden>{$lang->about_cmd_mobile_icon_setting}</p>
+		</div>
+	</div>
 
 	<div class="btnArea x_clearfix">
 		<span class="x_pull-right" style="margin-left:10px;"><input class="btn" type="button" value="{$lang->cmd_delete_all_thumbnail}" onclick="doDeleteAllThumbnail()"/></span>
diff --git a/modules/document/tpl/icons/default/file.gif b/modules/document/tpl/icons/default/file.gif
new file mode 100644
index 000000000..7d0768010
Binary files /dev/null and b/modules/document/tpl/icons/default/file.gif differ
diff --git a/modules/document/tpl/icons/default/image.gif b/modules/document/tpl/icons/default/image.gif
new file mode 100644
index 000000000..9e16ba620
Binary files /dev/null and b/modules/document/tpl/icons/default/image.gif differ
diff --git a/modules/document/tpl/icons/default/movie.gif b/modules/document/tpl/icons/default/movie.gif
new file mode 100644
index 000000000..4933e45af
Binary files /dev/null and b/modules/document/tpl/icons/default/movie.gif differ
diff --git a/modules/document/tpl/icons/default/new.gif b/modules/document/tpl/icons/default/new.gif
new file mode 100644
index 000000000..0d2aad44a
Binary files /dev/null and b/modules/document/tpl/icons/default/new.gif differ
diff --git a/modules/document/tpl/icons/default/secret.gif b/modules/document/tpl/icons/default/secret.gif
new file mode 100644
index 000000000..4e752dee8
Binary files /dev/null and b/modules/document/tpl/icons/default/secret.gif differ
diff --git a/modules/document/tpl/icons/default/update.gif b/modules/document/tpl/icons/default/update.gif
new file mode 100644
index 000000000..7a8d21f36
Binary files /dev/null and b/modules/document/tpl/icons/default/update.gif differ