protected function getViewFile($file)
	{
		if($this->useRuntimePath)
		{
			$crc=sprintf('%x', crc32(get_class($this).Yii::getVersion().dirname($file)));
			$viewFile=Yii::app()->getRuntimePath().DIRECTORY_SEPARATOR.'views'.DIRECTORY_SEPARATOR.$crc.DIRECTORY_SEPARATOR.basename($file);
			if(!is_file($viewFile))
				@mkdir(dirname($viewFile),$this->filePermission,true);
			return $viewFile;
		}
		else
			return $file.'c';
	}