private void startOutput(String fileName){
		leavesNodeFile = new File(fileName + ".leavesNode.txt");
		try {
			leavesNodeFileWriter = new FileWriter(leavesNodeFile);
			leavesNodeFileWriter.write("開始時間: " + getRightNowTimeStr("/", ":", " ") + "\r\n");
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
	}