public function __construct($enginePath, $cachePath, $themeRootPath, $theme, $properties = array(), $traceEnabled = false)
 {
     //		$this->_traceEnabled = $traceEnabled;
     parent::__construct($enginePath, $cachePath, $themeRootPath, $theme, $properties, $traceEnabled);
     require_once $this->enginePath . '/Smarty.class.php';
     $this->engine = new Smarty();
     $this->engine->compile_dir = $this->cachePath . '/templates_c/';
     $this->engine->config_dir = $this->cachePath . '/configs/';
     $this->engine->cache_dir = $this->cachePath . '/cache/';
     $this->engine->template_dir = realpath($this->themeRootPath) . '/' . $this->theme . '/';
     $this->_isConstructed = true;
 }