public String getClusterName(int index) {
		String name = "...";
		switch (index) {
		case (1):
			name = "Advanced";
			break;
		case (2):
			name = "FAQ";
			break;
		case (3):
			name = "3 Shots";
			break;
		case (4):
			name = "Big 'n Fast";
			break;
		case (5):
			name = "High Debated";
			break;
		case (6):
			name = "Uninteresting";
			break;
		default:

		}
		return (name);
	}