(function($){$.fn.scroll=function(options){options=options||{};this.css('overflow','hidden');var scroll=(function(self){return function(){if(self.data('scroll_stop')){return;}var li=self.find('li:first');var t=parseInt(li.css('marginTop'))||0;li.animate({'marginTop':(t-li.outerHeight())+'px'},options.speed||'slow',function(){self.append(li);li.css('marginTop',t+'px');});};})(this);setInterval(scroll,options.delay||2000);this.hover(function(){$(this).data('scroll_stop',true);},function(){$(this).removeData('scroll_stop');});};})(jQuery);