Section 14A. No person shall be discharged from or deprived of his employment because of his attendance or service as a grand or traverse juror in any court. Violation of this section by an employer shall be a contempt of the court upon which such person is or has been in attendance or in which he is or has been serving as a grand or traverse juror, and such employer may be prosecuted upon complaint verified upon oath and be punished for such contempt.