protected function readSyncFile()
	{
		if( !file_exists( $this->syncFile ) )
			$this->synchronize();
		$ir = new FS_File_INI_Reader ($this->syncFile, false);
		$data = $ir->getProperties (true);
		$this->syncTime	= $data['time'];
		$this->syncDiff	= $data['diff'];
	}