var how_many_ads = 6;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
banner="../images3/pix-skyline.jpg";
width="233";
height="123";
}
if (ad==2) {
banner="../images3/pix-luray.jpg";
width="233";
height="123";
}
if (ad==3) {
banner="../images3/pix-vista.jpg";
width="233";
height="123";
}
if (ad==4) {
banner="../images3/pix-nationalpark.jpg";
width="233";
height="123";
}
if (ad==5) {
banner="../images3/pix-oneway.jpg";
width="233";
height="123";
}
if (ad==6) {
banner="../images3/pix-andy.jpg";
width="233";
height="123";
}

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