var how_many_ads = 5;   // set ad count
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
url="";
alt="";
banner="/graphics/WHA_T1.jpg";
width="750";
height="200";
}
if (ad==2) {
url="";
alt="";
banner="/graphics/WHA_T2.jpg";
width="750";
height="200";
}
if (ad==3) {
url="";
alt="";
banner="/graphics/WHA_T3.jpg";
width="750";
height="200";
}
if (ad==4) {
url="";
alt="";
banner="/graphics/WHA_T4.jpg";
width="750";
height="200";
}
if (ad==5) {
url="";
alt="";
banner="/graphics/WHA_T5.jpg";
width="750";
height="200";
}
document.write('<a href=\"' + url + '\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0></a>');