jquery progressive fade

;(function($) {
  $.progressiveFade = function(element) {
    var childTag;
    switch($(element).get(0).tagName) {
      case 'DIV':
        childTag = 'div';
        break;
      case 'UL':
        childTag = 'li';
        break;
    };
    var children = $(element).find('> ' + childTag);
    (function(elt) {
      $(elt).fadeOut();
      var method = arguments.callee;
      if ($(elt).next().length) {
        setTimeout(function() {
          method($(elt).next());  
        }, 1000);
      }
    })(children[0]);    
  };
})(jQuery);