请问 网页两边浮动广告代码div漂浮广告代码怎样写？

左栏浮动广告 var specialcode="var specialcode=" 推荐↓关 闭广告内容";document.write(specialcode);lastScrollY=0;function heartBeat0(){diffY=document.body.scrollTop;percent=.1*(diffY-lastScrollY);if(percent>0)percent=Math.ceil(percent);else percent=Ma