var how_many_ads = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt=”图片底部文字”;
url=”链接地址”;
alt=”图片说明,图片无法显示时显示的文字”;
banner=”图片地址”;
width=”468″;
height=”60″;
}
if (ad==2) {
txt=”AAAAAA”;
url=”http://www.xxx.com“;
alt=”网络营销,Blog赚钱”;
banner=”