$.fn.extend({
				ddFader: function(opt){
					var nextItemIndex = 1;
					var items = $(this).find('a');
					var topItem = $(items[0]);
					
					if(items.length <= 1){ return; }
					
					items.css({ 'z-index': 99, 'display':'none' });
					topItem.css({ 'z-index': 100, 'display':'block' });
					
					function loadNext(){
						var nextItem = $(items[nextItemIndex]);
						nextItem.css({
							'z-index': 99,
							'opacity':1,
							'display':'block'
						});
						topItem.fadeOut(opt.fadeSpeed, function(){
							topItem = nextItem;
							topItem.css({ 'z-index': 100 });

							$(this).css({ 'z-index': 98 });
							
							if(++nextItemIndex == items.length){
								nextItemIndex = 0;
							}
							
							setTimeout(loadNext, opt.delay);
						});
					}

					setTimeout(loadNext, opt.delay);
				}
			});