Meng.extend({ zbjScrollText:function(scrollId){ var li = Meng.getTag('li',Meng.getId(scrollId)), curActLi = 0, getActivity = function(){ return [li[curActLi],li[10+curActLi],li[20+curActLi],li[30+curActLi]]; }, sliceDown = function(elem,pos){ Meng.setStyle(elem,{top:'-60px',zIndex:1}); Meng.animate(elem,{top:-60},{top:60},800); }, play = function(){ Meng.each(getActivity(),function(i){ var _this = this; setTimeout(function(){ sliceDown(_this,i); },i*900); }); }; play(); setInterval(function(){ if(curActLi == 9){ curActLi = 0; Meng.each(li,function(){Meng.setStyle(this,{zIndex:0})}); }else curActLi++; play(); },5000); } }); Meng.zbjScrollText('dota1');