var how_many_ads = 12;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
banner="../images/pix1.jpg";
width="150";
height="225";
}
if (ad==2) {
banner="../images/pix2.jpg";
width="150";
height="225";
}
if (ad==3) {
banner="../images/pix3.jpg";
width="150";
height="225";
}
if (ad==4) {
banner="../images/pix4.jpg";
width="150";
height="225";
}
if (ad==5) {
banner="../images/pix5.jpg";
width="150";
height="225";
}
if (ad==6) {
banner="../images/pix6.jpg";
width="150";
height="225";
}
if (ad==7) {
banner="../images/pix7.jpg";
width="150";
height="225";
}
if (ad==8) {
banner="../images/pix8.jpg";
width="150";
height="225";
}
if (ad==9) {
banner="../images/pix9.jpg";
width="150";
height="225";
}
if (ad==10) {
banner="../images/pix10.jpg";
width="150";
height="225";
}
if (ad==11) {
banner="../images/pix11.jpg";
width="150";
height="225";
}
if (ad==12) {
banner="../images/pix12.jpg";
width="150";
height="225";
}

document.write('<center>');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('</center>');
// End -->