boolean getScriptBitSets() {
		if (script == null)
			return false;
		int i = script.indexOf("# ({");
		if (i < 0)
			return false;
		int j = script.indexOf("})", i);
		bsSelected = StateManager.unescapeBitset(script.substring(i + 3, j + 1));
		if ((i = script.indexOf("({", j)) < 0)
			return false;
		j = script.indexOf("})", i);
		bsIgnore = StateManager.unescapeBitset(script.substring(i + 1, j + 1));
		return true;
	}