requires("1.39l");
  startingImage = 2;
  increment = 30;
  dir = newArray(100);

  dir[0] = "C:\\images\\001007\\";
  dir[1] = "C:\\images\\011107\\";
  dir[2] = "C:\\images\\021107\\";

  dir[0] = "/Users/Shared/Downloads/001007/";
  dir[1] = "/Users/Shared/Downloads/011107/";
  dir[2] = "/Users/Shared/Downloads/021107/";

  path = getDirectory("temp")+"list.txt";
  f = File.open(path);
  index = 0;
  while (dir[index]!=0) {
      list = getFileList(dir[index]);
      for (i=startingImage-1; i<list.length; i+=increment) {
          print(f, dir[index]+list[i]);
          //print(dir[index]+list[i]);
      }
      index++;
  }
  File.close(f);
   run("Stack From List...", "open="+path+" use");