function MatchSize(ThePic,MaxSize) {
    if (ThePic.width>ThePic.height) {
      if (ThePic.width>MaxSize) {
        ThePic.width=MaxSize;
      }
    }
    else {
      if (ThePic.height>MaxSize) {
        ThePic.height=MaxSize;
      }
    }
  }