private String id2name(int key) {
		switch (key) {
		case 0:
			return "head";

		case 1:
			return "body";

		case 2:
			return "legleft";

		case 3:
			return "legright";

		case 4:
			return "armleft";

		case 5:
			return "armright";

		}
		return "";
	}