short getMadParameter() throws ScriptException {
		int tok = statement[1].tok;
		short mad = 1;
		switch (tok) {
		case Token.on:
			break;
		case Token.off:
			mad = 0;
			break;
		case Token.integer:
			mad = getMadInteger(statement[1].intValue);
			break;
		case Token.decimal:
			mad = getMadFloat(floatParameter(1));
			break;
		default:
			booleanOrNumberExpected();
		}
		return mad;
	}