diff --git a/inc/main.php b/inc/main.php
index 0b56e5f..05cdef7 100755
--- a/inc/main.php
+++ b/inc/main.php
@@ -13,35 +13,35 @@ abstract class Main extends PhpObject
 	const UNAUTHORIZED = 'unauthorized';
 	const NOT_FOUND = 'unknown action';
 	const NO_DATA = 'No Data';
-	
+
 	const ACTIVE = 1;
 	const INACTIVE = 0;
-	
+
 	//Folders
 	const MASKS_FOLDER = 'masks/';
-	
+
 	/**
 	 * Class Management
 	 * @var ClassManagement
 	 */
 	protected $oClassManagement;
-	
+
 	/**
 	 * DB Handle
 	 * @var Db
 	 */
 	protected $oDb;
-	
+
 	//Dates format
 	const URL_DATE_FORMAT = 'Ymd';
 	const LAYOUT_DATE_FORMAT = 'F \t\h\e jS, Y';
 	const MYSQL_DATE_FORMAT = 'Y-m-d';
 	const LAYOUT_TIME_FORMAT = 'G:i';
-	
+
 	//Variables
 	protected $asMasks;
 	protected $asContext;
-	
+
 	/**
 	 * Language Translator
 	 * @var Translator
@@ -57,12 +57,12 @@ abstract class Main extends PhpObject
 	{
 		parent::__construct($sFile, Settings::DEBUG);
 		$this->oClassManagement = $oClassManagement;
-		
+
 		//Load classes
 		$asMandatoryClasses[] = array('name'=>'mask', 'project'=>false);
 		if($bDb) $asMandatoryClasses[] = array('name'=>'db', 'project'=>false);
 		foreach($asMandatoryClasses as $asClass) $this->oClassManagement->incClass($asClass['name'], $asClass['project']);
-		
+
 		$this->setContext($sProcessPage, $sTimeZone);
 
 		//Init objects
@@ -71,13 +71,13 @@ abstract class Main extends PhpObject
 			if(in_array($this->oDb->sDbState, array(Db::DB_NO_DATA, Db::DB_NO_TABLE))) $this->install();
 		}
 	}
-	
+
 	protected abstract function install();
-	
+
 	public function getDbBuildScript() {
 		return $this->oDb->getFullInstallQuery();
 	}
-	
+
 	private function setContext($sProcessPage, $sTimeZone='')
 	{
 		//Browser <> PHP <> MySql synchronization
@@ -90,67 +90,68 @@ abstract class Main extends PhpObject
 		mb_http_input(Settings::TEXT_ENC);
 		mb_language('uni');
 		mb_regex_encoding(Settings::TEXT_ENC);
-		
+
 		$this->asContext['process_page'] = basename($sProcessPage);
-	
+
 		$sServerName = array_key_exists('SERVER_NAME', $_SERVER)?$_SERVER['SERVER_NAME']:$_SERVER['PWD'];
 		$sScheme = array_key_exists('HTTP_X_FORWARDED_PROTO', $_SERVER)?$_SERVER['HTTP_X_FORWARDED_PROTO']:$_SERVER['REQUEST_SCHEME'];
 		$sAppPath = $sScheme.'://'.str_replace(array('http://', 'https://'), '', $sServerName.dirname($_SERVER['SCRIPT_NAME']));
 		$this->asContext['serv_name'] = $sAppPath.(mb_substr($sAppPath, -1)!='/'?'/':'');
-	
+
 		$this->setMasks();
 	}
-	
+
 	public static function addTimestampToFilePath($sFilePath)
 	{
 		//Remove timestamp
 		$sCleanedFilePath = preg_replace('/(.*)\?[\d]{14}$/', '$1', $sFilePath);
-		
+
 		//Add timestamp
 		return file_exists($sCleanedFilePath)?$sCleanedFilePath.'?'.date("YmdHis", filemtime($sCleanedFilePath)):$sFilePath;
 	}
-	
+
 	public function addUncaughtError($sError)
 	{
 		$this->addError('Uncaught errors:'."\n".$sError);
 	}
-	
+
 	/* Building main pages */
-	
-	public function getMainPage($asGlobalVars=array(), $sMainPage='index', $asMainPageTags=array())
+
+	public function getMainPage($asGlobalVars=array(), $sMainPage='index', $asMainPageTags=array(), $asCachePages=array())
 	{
 		$asDefaultConsts = array('success'=>self::SUCCESS, 'error'=>self::ERROR, 'process_page'=>$this->asContext['process_page']);
 		$asGlobalVars['consts'] = array_merge($asDefaultConsts, array_key_exists('consts', $asGlobalVars)?$asGlobalVars['consts']:array());
-		
+
 		//Masks
-		$asPages = array_values($this->asMasks);
-		foreach($asPages as $sPage)
+		if(empty($asCachePages)) $asCachePages = array_values($this->asMasks);
+		foreach($asCachePages as $sPage)
 		{
-			//$sPageContent = $this->getPageContent($sPage);
-			$oMask = new Mask($sPage, $this->oLang);
-			$sPageContent = $oMask->getMask();
-			if($sPage!=$sMainPage) $asGlobalVars['consts']['pages'][$sPage] = $sPageContent;
+			if($sPage != $sMainPage) {
+				$oMask = new Mask($sPage, $this->oLang);
+				$sPageContent = $oMask->getMask();
+				$asGlobalVars['consts']['pages'][$sPage] = $sPageContent;
+			}
 		}
-		
+
 		if(!is_null($this->oLang)) {
 			$asGlobalVars['consts']['lang_prefix'] = Mask::LANG_PREFIX;
 			$asGlobalVars['consts']['lang'] = $this->oLang->getTranslations();
 		}
-		
+
 		$oMainMask = new Mask($sMainPage, $this->oLang);
 		$oMainMask->setTag('GLOBAL_VARS', json_encode($asGlobalVars));
 		$oMainMask->setTags($asMainPageTags);
-		
+
 		return $oMainMask->getMask();
 	}
-	
+
 	protected function getPageContent($sPage)
 	{
 		return ToolBox::fixEOL(file_get_contents(self::MASKS_FOLDER.$sPage.'.html'));
 	}
-	
+
 	/* DB structure. See Db::__construct */
-	
+
 	protected abstract function getSqlOptions();
 
 	private function setMasks()
@@ -159,7 +160,7 @@ abstract class Main extends PhpObject
 		$asMaskPaths = glob(Mask::getMaskFile('*'));
 		$this->asMasks =  array_map('basename', $asMaskPaths, array_fill(1, count($asMaskPaths), Mask::MASK_EXT));
 	}
-	
+
 	public static function getJsonResult($bSuccess, $sDesc, $asVars=array())
 	{
 		header('Content-type: application/json');
@@ -167,18 +168,18 @@ abstract class Main extends PhpObject
 		$asResult['result'] = $asResult['result']?self::SUCCESS:self::ERROR;
 		return json_encode($asResult);
 	}
-	
+
 	public static function getResult($bSuccess, $sDesc, $asVars=array()) {
 		return array('result'=>$bSuccess, 'desc'=>$sDesc, 'data'=>$asVars);
 	}
-	
+
 	public static function goTo403() {
 		http_response_code(403);
 		exit;
 	}
-	
+
 	public static function goTo404() {
 		http_response_code(404);
 		exit;
 	}
-}
\ No newline at end of file
+}