If any juror summoned to appear at court, should render himself unfit for service by intoxication before his name is called in court, he shall be fined in a sum not exceeding one hundred dollars, and be imprisoned for a term not exceeding twenty-four hours. After grand and petit jurors are impaneled they shall be under the control of the court, and, for any breach of duty or contempt of court, may be fined and imprisoned.