In addition to courts exercising criminal jurisdiction and authorized to serve as drug treatment courts, courts exercising jurisdiction over juveniles alleged to be delinquent or unruly may also develop and operate drug court treatment programs, subject to all guidelines and requirements in this chapter. The juvenile drug court treatment programs shall not be funded or supported by revenues collected by the clerks of general sessions, circuit and criminal courts or municipal courts exercising general sessions court jurisdiction pursuant to §16-22-109.