$.fn.reorder = function() {
  function randOrd() { return (Math.round(Math.random()) - 0.5); }
  return ($(this).each(function() {
    var $this = $(this);
    var $children = $this.children();
    var childCount = $children.length;
    if (childCount > 1) {
      $children.remove();
      var indices = new Array();
      for (i = 0; i < childCount; i++) { indices[indices.length] = i; }
      indices = indices.sort(randOrd);
      $.each(indices, function(j, k) { $this.append($children.eq(k)); });
    }
  }));
}