Ask the Court for sole custody and supervised contact for dad. Make sure you have proof, such as police reports, medical reports, witnesses, court orders, contact information for treatment centers he may have attended and the like. Heresay is not permitted. A paper trail is best.
You can ask the court to change your visitation order to whatever you like. Visitation and child support are two different issues.
if your child is addicted to Meez.com take away her computer rights
Depends on your reasons for wanting this.
Have a lawyer help you make visitation rules.
Only if he allows you to.
Is the last "her" the mother? , the daughter? the judge? The daughter.
yes biological fathers may seek visitation and custody rights
If a court has awarded you visitation rights, that ruling would be legally valid in any state. States recognize the legality of court rulings made in other states. If, however, you do not have visitation rights, and if your daughter is currently in the home of someone who does not want you to visit her, then that is a legal issue which you can take to court (if you can afford the lawyer's fees).
I, being parent of xxx, guarantee that I will pay any expenses of my son/daughter whatsoever
This would depend on the insurance company and the policies they offer.
He doesn't. Only the courts can award/enforce visitation.
Yes.