<script type="text/javascript">
var h = new Date().getHours();
var t = "";
if(h >= 7 && h <= 13){
t = "<div class='inde_t_ad'><a href='http://www.daixiao360.cn/' target='_blank' rel='nofollow'><img src='https://www.m1850.com/uploads/allimg/200205/12544C009-0.png' border='0' /></a></div>";
}else if(h >= 14 && h <= 20){
t = "广告2";
}
else if(h >= 21 || h <= 6){
t = "广告3";
}
document.getElementById('time_ads').innerHTML = t;
</script>
注释：
早7点到13点显示广告1
14点到20点显示广告2
19点到次日6点显示广告3
