protected function getTemplateFileContent($what)
    {
        static $fileCache = array();

        if (isset($fileCache[$what]) === true) {
            return $fileCache[$what];
        }

        $fileCache[$what] = preg_replace(
            '/\s+/',
            ' ',
            $this->pool->fileService->getFileContents($this->skinPath . $what . '.html')
        );
        return $fileCache[$what];
    }