(1) To offer consultation and advice to local and State-wide public or private agencies, including juvenile courts, to community groups concerned with the prevention of juvenile delinquency in the planning and developing of measures to reduce the incidence of delinquency and to make grants to political subdivisions for delinquency prevention projects developed jointly with the department;

(2) To offer consultation, guidance and assistance to public and voluntary agencies and institutions, including the juvenile courts, in developing, strengthening and improving programs for predisposition study, probation supervision, institutional treatment and after-care of delinquent youth, including training courses for personnel of the agencies and institutions. In order to develop or strengthen police and probation services for juveniles, and upon assurance that such services will meet standards approved by the department, the department shall make annual grants to political subdivisions.