var how_many_ads = 5;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
banner="http://users1.Jabry.com/foinfinity/images/home01.jpg";
}
if (ad==2) {
banner="http://users1.Jabry.com/foinfinity/images/home02.jpg";
}
if (ad==3) {
banner="http://users1.Jabry.com/foinfinity/images/home03.jpg";
}
if (ad==4) {
banner="http://users1.Jabry.com/foinfinity/images/home04.jpg";
}
if (ad==5) {
banner="http://users1.Jabry.com/foinfinity/images/home05.jpg";
}
document.write('<img border="0" src="'+banner+'" width="600" height="425">')