Family Law; Requires that at least one judge be available in each judicial circuit on weekends, holidays, & after hours on weekdays to hear motions to enforce certain orders & agreements; requires chief judge to assign circuit judge to be available for certain hearings; requires that certain time-sharing matters be accorded priority on court's calendar; provides procedural requirements for evidentiary hearings on pleadings seeking temporary parental responsibility & time-sharing schedules & on motions to enforce compliance with existing time-sharing orders or agreements; requires court to issue upon motion by party, rather than authorizing court to make determination of, appropriate parenting plans.