Article 78.(Supplementary Judges) When the trial of a collegiate court is expected to continue for a long time, one or more supplementary judges may attend the trial and, should one or more judges on a collegiate court in the course of the trial become unable to take part in the trial, the supplementary judge or judges may, in an order fixed in advance, join the collegiate court to conduct hearings and render decisions in the place of the judge or judges;provided that the number of the supplementary judges shall not exceed that of the judges of the collegiate court.