public URL next() throws MalformedURLException {
		if (mDirection == null) {
			mDirection = Direction.NEXT;
		} else if (mDirection == Direction.PREV) {
			mValueNew = mValueBase;
			mDirection = Direction.NEXT;
		}
		int value = Integer.parseInt(mValueNew);
		++value;
		String valueTmp = Integer.toString(value);
		while (valueTmp.length() < mValueBase.length()) {
			valueTmp = "0" + valueTmp;
		}
		mValueNew = valueTmp;
		return assemble();
	}