gistfile1.js

  for (i=0; i < Math.min(arr_length, 4); i=i+1) {
    idx = arr.shift();
    new_loading = loading.clone(true);
    loading.parentNode.appendChild(new_loading);
    new_loading.show();
    new Ajax.Updater(new_loading, '/goals/' + idx + '/list',
      { method: 'get',
        insertion: 'after',
        onSuccess: function(response) { new_loading.remove(); }
        });
    link = $(target).parentNode.down('.show_more');
    if (arr.length < 1) { link.hide(); };
  };