Authorizing the court to impose incarceration for contempt of court for unwarranted denial of or interference with established child visitation, authorizing stay on the condition of posting of an adequate sum as security for future compliance with ordered visitation, authorizing return of the security money after a certain period of compliance; authorizing the court to order more severe penalties for subsequent contempts; proof of unwarranted denial of or interference with established visitation to constitute contempt of court (mk)