Index: core/admin_templates/themes/themes_edit.tpl
===================================================================
--- core/admin_templates/themes/themes_edit.tpl
+++ core/admin_templates/themes/themes_edit.tpl
@@ -57,9 +57,9 @@
 	<table class="edit-form">
 		<inp2:m_RenderElement name="subsection" prefix="theme" fields="ThemeId,Name,Description,Enabled,CacheTimeout,StylesheetId,PrimaryTheme" title="la_section_General"/>
 			<inp2:m_RenderElement name="inp_id_label" prefix="theme" field="ThemeId" title="la_fld_Id"/>
-			<inp2:m_RenderElement name="inp_edit_box" prefix="theme" field="Name" title="la_fld_Name"/>
+			<inp2:m_RenderElement name="inp_label" prefix="theme" field="Name" title="la_fld_Name"/>
 			<inp2:m_RenderElement name="inp_edit_textarea" prefix="theme" field="Description" title="la_fld_Description" cols="25" rows="3"/>
-			<inp2:m_RenderElement name="inp_edit_checkbox" prefix="theme" field="Enabled" title="la_fld_Enabled"/>
+			<inp2:m_RenderElement name="inp_edit_radio" prefix="theme" field="Enabled" title="la_fld_Status"/>
 			<inp2:m_RenderElement name="inp_edit_box" prefix="theme" field="CacheTimeout" title="la_prompt_lang_cache_timeout"/>
 			<inp2:m_RenderElement name="inp_edit_box" prefix="theme" field="StylesheetFile"/>
 
@@ -69,6 +69,8 @@
 			</inp2:m_if>
 ##-->
 			<inp2:m_RenderElement name="inp_edit_checkbox" prefix="theme" field="PrimaryTheme" title="la_fld_Primary"/>
+            <inp2:m_RenderElement name="inp_label" prefix="theme" field="AddedOn"/>
+            <inp2:m_RenderElement name="inp_label" prefix="theme" field="DeletedOn"/>
 			<inp2:m_RenderElement name="inp_edit_filler"/>
 	</table>
 </div>
Index: core/admin_templates/themes/themes_list.tpl
===================================================================
--- core/admin_templates/themes/themes_list.tpl
+++ core/admin_templates/themes/themes_list.tpl
@@ -20,11 +20,6 @@
 						} ) );
 
 				a_toolbar.AddButton( new ToolBarButton('edit', '<inp2:m_phrase label="la_ToolTip_Edit" escape="1"/>::<inp2:m_phrase label="la_ShortToolTip_Edit" escape="1"/>', edit) );
-				a_toolbar.AddButton( new ToolBarButton('delete', '<inp2:m_phrase label="la_ToolTip_Delete" escape="1"/>',
-						function() {
-							std_delete_items('theme')
-						} ) );
-
 
 				a_toolbar.AddButton( new ToolBarSeparator('sep1') );
 
@@ -56,7 +51,7 @@
 
 <inp2:m_RenderElement name="grid" PrefixSpecial="theme" IdField="ThemeId" grid="Default"/>
 <script type="text/javascript">
-	Grids['theme'].SetDependantToolbarButtons( new Array('edit', 'delete', 'setprimary') );
+	Grids['theme'].SetDependantToolbarButtons( new Array('edit', 'setprimary') );
 </script>
 
 <inp2:m_include t="incs/footer"/>
\ No newline at end of file
Index: core/install.php
===================================================================
--- core/install.php
+++ core/install.php
@@ -909,7 +909,7 @@
 					$theme_id_field = $theme_config->getIDField();
 
 					$sql = 'UPDATE ' . $theme_table . '
-							SET Enabled = 1, PrimaryTheme = 1
+							SET Enabled = ' . ThemeConstants::STATUS_ACTIVE . ', PrimaryTheme = 1
 							WHERE ' . $theme_id_field . ' = ' . $theme_id;
 					$this->Conn->Query($sql);
 
Index: core/install/cache/class_structure.php
===================================================================
--- core/install/cache/class_structure.php
+++ core/install/cache/class_structure.php
@@ -188,6 +188,7 @@
 		'TemplatesCache' => '/core/kernel/nparser/template_cache.php',
 		'ThemeFileEventHandler' => '/core/units/theme_files/theme_file_eh.php',
 		'ThemeItem' => '/core/units/themes/theme_item.php',
+		'ThemeConstants' => '/core/kernel/constants.php',
 		'ThemesEventHandler' => '/core/units/themes/themes_eh.php',
 		'ThemesTagProcessor' => '/core/units/themes/themes_tag_processor.php',
 		'ThesaurusEventHandler' => '/core/units/thesaurus/thesaurus_eh.php',
@@ -1544,6 +1545,10 @@
 				0 => 'kDBItem',
 			),
 		),
+		'ThemeConstants' => array(
+			'type' => 1,
+			'modifiers' => 0,
+		),
 		'ThemesEventHandler' => array(
 			'type' => 1,
 			'modifiers' => 0,
Index: core/install/english.lang
===================================================================
--- core/install/english.lang
+++ core/install/english.lang
@@ -244,6 +244,7 @@
 			<PHRASE Label="la_DataGrid1" Module="Core" Type="1">RGF0YSBHcmlkcw==</PHRASE>
 			<PHRASE Label="la_DataGrid2" Module="Core" Type="1">RGF0YSBHcmlkcyAy</PHRASE>
 			<PHRASE Label="la_days" Module="Core" Type="1">ZGF5cw==</PHRASE>
+			<PHRASE Label="la_Deleted" Module="Core" Type="1">RGVsZXRlZA==</PHRASE>
 			<PHRASE Label="la_Delete_Confirm" Module="Core" Type="1">QXJlIHlvdSBzdXJlIHlvdSB3YW50IHRvIGRlbGV0ZSB0aGUgaXRlbShzKT8gVGhpcyBhY3Rpb24gY2Fubm90IGJlIHVuZG9uZS4=</PHRASE>
 			<PHRASE Label="la_Description_in-portal:advanced_view" Module="Core" Type="1">VGhpcyBzZWN0aW9uIGFsbG93cyB5b3UgdG8gbWFuYWdlIHNlY3Rpb25zIGFuZCBpdGVtcyBhY3Jvc3MgYWxsIHNlY3Rpb25z</PHRASE>
 			<PHRASE Label="la_Description_in-portal:browse" Module="Core" Type="1">VGhpcyBzZWN0aW9uIGFsbG93cyB5b3UgdG8gYnJvd3NlIHRoZSBjYXRhbG9nIGFuZCBtYW5hZ2Ugc2VjdGlvbnMgYW5kIGl0ZW1z</PHRASE>
@@ -326,6 +327,7 @@
 			<PHRASE Label="la_field_displayorder" Module="Core" Type="1">RGlzcGxheSBPcmRlcg==</PHRASE>
 			<PHRASE Label="la_field_Priority" Module="Core" Type="1">T3JkZXI=</PHRASE>
 			<PHRASE Label="la_fld_Action" Module="Core" Type="1" Column="QWN0aW9u">QWN0aW9u</PHRASE>
+			<PHRASE Label="la_fld_AddedOn" Module="Core" Type="1" Column="QWRkZWQgT24=">QWRkZWQgT24=</PHRASE>
 			<PHRASE Label="la_fld_AddressLine1" Module="Core" Type="1" Column="QWRkcmVzcyBMaW5lIDE=">QWRkcmVzcyBMaW5lIDE=</PHRASE>
 			<PHRASE Label="la_fld_AddressLine2" Module="Core" Type="1" Column="QWRkcmVzcyBMaW5lIDI=">QWRkcmVzcyBMaW5lIDI=</PHRASE>
 			<PHRASE Label="la_fld_AdminEmail" Module="Core" Type="1">TWVzc2FnZXMgZnJvbSBTaXRlIEFkbWluIGFyZSBmcm9t</PHRASE>
@@ -395,6 +397,7 @@
 			<PHRASE Label="la_fld_CustomTemplate" Module="Core" Type="1">DQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KDQoNCg0KRGV0YWlscyBUZW1wbGF0ZQ==</PHRASE>
 			<PHRASE Label="la_fld_DateFormat" Module="Core" Type="1">RGF0ZSBGb3JtYXQ=</PHRASE>
 			<PHRASE Label="la_fld_DecimalPoint" Module="Core" Type="1">RGVjaW1hbCBQb2ludA==</PHRASE>
+			<PHRASE Label="la_fld_DeletedOn" Module="Core" Type="1" Column="RGVsZXRlZCBPbg==">RGVsZXRlZCBPbg==</PHRASE>
 			<PHRASE Label="la_fld_Description" Module="Core" Type="1" Column="RGVzY3JpcHRpb24=">RGVzY3JpcHRpb24=</PHRASE>
 			<PHRASE Label="la_fld_DirectLinkEnabled" Module="Core" Type="1">QWNjZXNzIHdpdGggTGluaw==</PHRASE>
 			<PHRASE Label="la_fld_Display" Module="Core" Type="1">RGlzcGxheQ==</PHRASE>
Index: core/install/install_data.sql
===================================================================
--- core/install/install_data.sql
+++ core/install/install_data.sql
@@ -681,7 +681,6 @@
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_themes.view', 11, 1, 1, 0);
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_themes.add', 11, 1, 1, 0);
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_themes.edit', 11, 1, 1, 0);
-INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_themes.delete', 11, 1, 1, 0);
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_styles.view', 11, 1, 1, 0);
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_styles.add', 11, 1, 1, 0);
 INSERT INTO Permissions VALUES (DEFAULT, 'in-portal:configure_styles.edit', 11, 1, 1, 0);
Index: core/install/install_schema.sql
===================================================================
--- core/install/install_schema.sql
+++ core/install/install_schema.sql
@@ -382,6 +382,8 @@
   TemplateAliases text,
   StylesheetFile varchar(255) NOT NULL DEFAULT '',
   ImageResizeRules text,
+  AddedOn int(11) DEFAULT NULL,
+  DeletedOn int(11) DEFAULT NULL,
   PRIMARY KEY (ThemeId),
   KEY Enabled (Enabled),
   KEY StylesheetId (StylesheetId),
Index: core/install/upgrades.sql
===================================================================
--- core/install/upgrades.sql
+++ core/install/upgrades.sql
@@ -3058,3 +3058,11 @@
 
 UPDATE PromoBlocks SET ScheduleToDate = ScheduleToDate + 86399 WHERE DATE_FORMAT(FROM_UNIXTIME(ScheduleTodate), "%H%i") = "0000";
 DELETE FROM LanguageLabels WHERE PhraseKey = "LA_FLD_SCHEDULEDATE";
+
+ALTER TABLE Themes
+	ADD AddedOn int(11) DEFAULT NULL,
+	ADD DeletedOn int(11) DEFAULT NULL;
+
+DELETE FROM Permissions WHERE Permission = 'in-portal:configure_themes.delete';
+DELETE FROM UserPersistentSessionData WHERE VariableName = 'theme[Default]columns_.';
+UPDATE Themes SET AddedOn = UNIX_TIMESTAMP();
Index: core/kernel/application.php
===================================================================
--- core/kernel/application.php
+++ core/kernel/application.php
@@ -525,7 +525,7 @@
 		/** @var ThemeItem $theme */
 		$theme = $this->recallObject('theme.current');
 
-		if ( !$theme->isLoaded() || !$theme->GetDBField('Enabled') ) {
+		if ( !$theme->isLoaded() || $theme->GetDBField('Enabled') != ThemeConstants::STATUS_ACTIVE ) {
 			return false;
 		}
 
@@ -612,7 +612,7 @@
 
 				$sql = 'SELECT ' . $theme_config->getIDField() . '
 						FROM ' . $theme_config->getTableName() . '
-						WHERE (PrimaryTheme = 1) AND (Enabled = 1)';
+						WHERE (PrimaryTheme = 1) AND (Enabled = ' . ThemeConstants::STATUS_ACTIVE . ')';
 				$theme_id = $this->Conn->GetOne($sql);
 
 				if ( $theme_id !== false ) {
Index: core/kernel/constants.php
===================================================================
--- core/kernel/constants.php
+++ core/kernel/constants.php
@@ -235,3 +235,10 @@
 
 		const STATUS_SKIPPED = 3;
 	}
+
+	class ThemeConstants
+	{
+		const STATUS_ACTIVE = 1;
+		const STATUS_DISABLED = 0;
+		const STATUS_DELETED = 2;
+	}
Index: core/kernel/managers/rewrite_url_processor.php
===================================================================
--- core/kernel/managers/rewrite_url_processor.php
+++ core/kernel/managers/rewrite_url_processor.php
@@ -634,7 +634,7 @@
 
 		$sql = 'SELECT ThemeId, IF(LOWER(Name) = ' . $this->Conn->qstr($url_part) . ', 2, PrimaryTheme) AS SortKey, TemplateAliases
 				FROM ' . TABLE_PREFIX . 'Themes
-				WHERE Enabled = 1
+				WHERE Enabled = ' . ThemeConstants::STATUS_ACTIVE . '
 				ORDER BY SortKey DESC';
 		$theme_info = $this->Conn->GetRow($sql);
 
Index: core/kernel/nparser/compiler.php
===================================================================
--- core/kernel/nparser/compiler.php
+++ core/kernel/nparser/compiler.php
@@ -92,7 +92,7 @@
 		// find Front-End templates (from enabled themes only)
 		$sql = 'SELECT Name
 				FROM ' . $this->Application->getUnitConfig('theme')->getTableName() . '
-				WHERE Enabled = 1';
+				WHERE Enabled = ' . ThemeConstants::STATUS_ACTIVE;
 		$themes = $this->Conn->GetCol($sql);
 
 		$options = Array ();
@@ -139,4 +139,4 @@
 		}
 	}
 
-}
\ No newline at end of file
+}
Index: core/units/admin/admin_events_handler.php
===================================================================
--- core/units/admin/admin_events_handler.php
+++ core/units/admin/admin_events_handler.php
@@ -1160,7 +1160,7 @@
 		// rules from all enabled themes
 		$sql = 'SELECT ImageResizeRules
 				FROM ' . $this->Application->getUnitConfig('theme')->getTableName() . '
-				WHERE Enabled = 1';
+				WHERE Enabled = ' . ThemeConstants::STATUS_ACTIVE;
 		$mass_resizer->addRules($this->Conn->GetCol($sql));
 
 		$mass_resizer->run();
Index: core/units/categories/categories_config.php
===================================================================
--- core/units/categories/categories_config.php
+++ core/units/categories/categories_config.php
@@ -354,7 +354,7 @@
 										IF(tf.TemplateAlias <> "", tf.TemplateAlias, CONCAT(FilePath, "/", TRIM(TRAILING ".tpl" FROM FileName))) AS Value
 								FROM ' . TABLE_PREFIX . 'ThemeFiles AS tf
 								LEFT JOIN ' . TABLE_PREFIX . 'Themes AS t ON t.ThemeId = tf.ThemeId
-								WHERE (t.Enabled = 1) AND (tf.FileName NOT LIKE "%%.elm.tpl") AND (tf.FileName NOT LIKE "%%.des.tpl") AND (tf.FilePath = "/designs")
+								WHERE (t.Enabled = ' . ThemeConstants::STATUS_ACTIVE . ') AND (tf.FileName NOT LIKE "%%.elm.tpl") AND (tf.FileName NOT LIKE "%%.des.tpl") AND (tf.FilePath = "/designs")
 								ORDER BY tf.Description ASC, tf.FileName ASC',
 			'option_key_field' => 'Value', 'option_title_field' => 'Title',
 			'error_msgs' => Array (
Index: core/units/categories/categories_event_handler.php
===================================================================
--- core/units/categories/categories_event_handler.php
+++ core/units/categories/categories_event_handler.php
@@ -2119,7 +2119,7 @@
 
 				$sql = 'SELECT Name, ' . $id_field . '
 						FROM ' . $table_name . '
-						WHERE Enabled = 1';
+						WHERE Enabled = ' . ThemeConstants::STATUS_ACTIVE;
 				$themes = $this->Conn->GetCol($sql, $id_field);
 			}
 
@@ -2363,7 +2363,7 @@
 			$sql = 'SELECT t.ThemeId, CONCAT( tf.FilePath, \'/\', tf.FileName ) AS Path, tf.FileMetaInfo
 					FROM ' . TABLE_PREFIX . 'ThemeFiles AS tf
 					LEFT JOIN ' . TABLE_PREFIX . 'Themes AS t ON t.ThemeId = tf.ThemeId
-					WHERE t.Enabled = 1 AND tf.FileType = 1
+					WHERE t.Enabled = ' . ThemeConstants::STATUS_ACTIVE . ' AND tf.FileType = 1
 					AND (
 						SELECT COUNT(CategoryId)
 						FROM ' . TABLE_PREFIX . 'Categories c
Index: core/units/helpers/themes_helper.php
===================================================================
--- core/units/helpers/themes_helper.php
+++ core/units/helpers/themes_helper.php
@@ -69,18 +69,32 @@
 
 			if ($theme_info) {
 				$theme_id = $theme_info[$id_field];
-				$theme_enabled = $theme_info['Enabled'];
+
+				if ( $theme_info['Enabled'] == ThemeConstants::STATUS_DELETED ) {
+					$theme_info['Enabled'] = ThemeConstants::STATUS_DISABLED;
+
+					$fields_hash = array(
+						'Enabled' => ThemeConstants::STATUS_DISABLED,
+						'DeletedOn' => null,
+						'AddedOn' => time(),
+					);
+
+					$this->Conn->doUpdate($fields_hash, $table_name, $id_field . '=' . $theme_id);
+				}
+
+				$theme_disabled = $theme_info['Enabled'] == ThemeConstants::STATUS_DISABLED;
 			}
 			else {
-				$theme_id = $theme_enabled = false;
+				$theme_id = false;
+				$theme_disabled = true;
 			}
 
 			$this->themeFiles = Array ();
 			$theme_path = $this->themesFolder . '/' . $theme_name;
 
-			if ($theme_id) {
-				if (!$theme_enabled) {
-					// don't process existing theme files, that are disabled
+			if ( $theme_id ) {
+				if ( $theme_disabled ) {
+					// Don't process existing theme files, that are disabled.
 					return $theme_id;
 				}
 
@@ -102,7 +116,8 @@
 
 				$theme_info = Array (
 					 'Name' => $theme_name,
-					 'Enabled' => 0,
+					 'Enabled' => ThemeConstants::STATUS_DISABLED,
+					 'AddedOn' => time(),
 					 'Description' => $theme_name,
 					 'PrimaryTheme' => 0,
 					 'CacheTimeout' => 3600, // not in use right now
@@ -114,8 +129,8 @@
 				$this->Conn->doInsert($theme_info, $table_name);
 				$theme_id = $this->Conn->getInsertID();
 
-				if (!$theme_enabled) {
-					// don't process newly created theme files, because they are disabled
+				if ( $theme_disabled ) {
+					// Don't process newly created theme files, because they are disabled.
 					return $theme_id;
 				}
 			}
@@ -554,7 +569,7 @@
 			// 1. only one theme found -> enable it and make primary
 			/*if (count($themes_found) == 1) {
 				$sql = 'UPDATE ' . $table_name . '
-						SET Enabled = 1, PrimaryTheme = 1
+						SET Enabled = ' . ThemeConstants::STATUS_ACTIVE . ', PrimaryTheme = 1
 						WHERE ' . $id_field . ' = ' . current($themes_found);
 				$this->Conn->Query($sql);
 			}*/
@@ -596,13 +611,16 @@
 			$config = $this->Application->getUnitConfig('theme');
 			$id_field = $config->getIDField();
 
-			$sql = 'DELETE FROM '. $config->getTableName() .'
-					WHERE '.$id_field.' IN ('.implode(',', $theme_ids).')';
-			$this->Conn->Query($sql);
+			$fields_hash = array(
+				'Enabled' => ThemeConstants::STATUS_DELETED,
+				'DeletedOn' => time(),
+			);
 
-			$sql = 'DELETE FROM '.TABLE_PREFIX.'ThemeFiles
-					WHERE '.$id_field.' IN ('.implode(',', $theme_ids).')';
-			$this->Conn->Query($sql);
+			$this->Conn->doUpdate(
+				$fields_hash,
+				$config->getTableName(),
+				$id_field . ' IN (' . implode(',', $theme_ids) . ')'
+			);
 		}
 
 		/**
@@ -628,7 +646,7 @@
 
 					$sql = 'SELECT ' . $config->getIDField() . '
 							FROM ' . $config->getTableName() . '
-							WHERE (PrimaryTheme = 1) AND (Enabled = 1)';
+							WHERE (PrimaryTheme = 1) AND (Enabled = ' . ThemeConstants::STATUS_ACTIVE . ')';
 					$theme_id = $this->Conn->GetOne($sql);
 				}
 
Index: core/units/structure/structure_config.php
===================================================================
--- core/units/structure/structure_config.php
+++ core/units/structure/structure_config.php
@@ -166,7 +166,7 @@
 																					CONCAT(FilePath, "/", TRIM(TRAILING ".tpl" FROM FileName)) AS Value
 																	FROM ' . TABLE_PREFIX . 'ThemeFiles AS tf
 																	LEFT JOIN ' . TABLE_PREFIX . 'Themes AS t ON t.ThemeId = tf.ThemeId
-																	WHERE (t.Enabled = 1) AND (tf.FileName NOT LIKE "%%.elm.tpl") AND (tf.FileName NOT LIKE "%%.des.tpl") AND (tf.FilePath = "/designs")',
+																	WHERE (t.Enabled = ' . ThemeConstants::STATUS_ACTIVE . ') AND (tf.FileName NOT LIKE "%%.elm.tpl") AND (tf.FileName NOT LIKE "%%.des.tpl") AND (tf.FilePath = "/designs")',
 			'option_key_field' => 'Value', 'option_title_field' => 'Title',
 			'not_null' => 1, 'default' => CATEGORY_TEMPLATE_INHERIT
 		),
Index: core/units/themes/themes_config.php
===================================================================
--- core/units/themes/themes_config.php
+++ core/units/themes/themes_config.php
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id$
+* @version	$Id: themes_config.php 16124 2015-01-01 14:06:22Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -32,7 +32,7 @@
 	),
 
 	'IDField' => 'ThemeId',
-	'StatusField' => Array ('Enabled', 'PrimaryTheme'),
+	'StatusField' => array('Enabled', 'PrimaryTheme'),
 
 	'PermSection' => Array ('main' => 'in-portal:configure_themes'),
 
@@ -42,7 +42,7 @@
 			'icon' => 'conf_themes',
 			'label' => 'la_tab_Themes',
 			'url' => Array ('t' => 'themes/themes_list', 'pass' => 'm'),
-			'permissions' => Array ('view', 'add', 'edit', 'delete'),
+			'permissions' => array('view', 'add', 'edit'),
 			'priority' => 5,
 			'type' => stTREE,
 		),
@@ -59,7 +59,7 @@
 
 		'themes_list' => Array (
 			'prefixes' => Array ('theme_List'), 'format' => "!la_tab_Themes!",
-			'toolbar_buttons' => Array ('new_item', 'edit', 'delete', 'setprimary', 'refresh', 'view', 'dbl-click'),
+			'toolbar_buttons' => array('new_item', 'edit', 'setprimary', 'refresh', 'view', 'dbl-click'),
 		),
 
 		'themes_edit_general' => Array (
@@ -114,8 +114,8 @@
 		'Enabled' => Array (
 			'type' => 'int',
 			'formatter' => 'kOptionsFormatter',
-			'options' => Array (0 => 'la_Disabled', 1 => 'la_Enabled'),
-			'use_phrases' => 1, 'not_null' => 1, 'default' => 1,
+			'options' => array(ThemeConstants::STATUS_DISABLED => 'la_Disabled', ThemeConstants::STATUS_ACTIVE => 'la_Enabled', ThemeConstants::STATUS_DELETED => 'la_Deleted'),
+			'use_phrases' => 1, 'not_null' => 1, 'default' => ThemeConstants::STATUS_ACTIVE,
 		),
 		'Description' => Array ('type' => 'string', 'formatter' => 'kFormatter', 'using_fck' => 1, 'default' => null),
 		'PrimaryTheme' => Array (
@@ -139,6 +139,8 @@
 			'not_null' => 1, 'default' => ''
 		),
 		'ImageResizeRules' => Array ('type' => 'string', 'default' => NULL),
+		'AddedOn' => array('type' => 'int', 'formatter' => 'kDateFormatter', 'default' => '#NOW#'),
+		'DeletedOn' => array('type' => 'int', 'formatter' => 'kDateFormatter', 'default' => null),
 	),
 
 	'Grids' => Array (
@@ -158,7 +160,9 @@
 //				'PrimaryTheme' => Array ( 'title' => 'column:la_fld_Primary', 'filter_block' => 'grid_options_filter'),
 				'LanguagePackInstalled' => Array ('title' => 'la_col_LanguagePackInstalled', 'filter_block' => 'grid_options_filter', 'width' => 200,),
 				'StylesheetFile' => array('filter_block' => 'grid_like_filter', 'width' => 150, 'hidden' => 1),
+				'AddedOn' => array('filter_block' => 'grid_date_range_filter'),
+				'DeletedOn' => array('filter_block' => 'grid_date_range_filter'),
 			),
 		),
 	),
-);
\ No newline at end of file
+);