document.getElementById("ad257").innerHTML="<span style='width: 35px;height: 15px;overflow: hidden;position: absolute;left: 0;bottom: 0;z-index: 10;background: url(http://www.ichinaceo.com/image/ad/ad_flag.png) no-repeat;'></span><a href='http://www.ichinaceo.com/advertisement/counthot.php?aid=257&url=http%3A%2F%2Fnews.chinaceot.com%2Fzt%2Fyearfinal2012%2F' target='_blank' rel='nofollow'><img src='http://www.ichinaceo.com/advertisement/upfile/1468216433.jpeg'  width='950'  height='90'  border='0' alt='第3个通栏广告' ></a>";