var how_many_ads = 10;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
banner="http://www.tirol.ag/images/sommer01.jpg";
width="650";
height="330";
}
if (ad==2) {
banner="http://www.tirol.ag/images/sommer02.jpg";
width="650";
height="330";
}
if (ad==3) {
banner="http://www.tirol.ag/images/sommer03.jpg";
width="650";
height="330";
}
if (ad==4) {
banner="http://www.tirol.ag/images/sommer04.jpg";
width="650";
height="330";
}
if (ad==5) {
banner="http://www.tirol.ag/images/sommer05.jpg";
width="650";
height="330";
}
if (ad==6) {
banner="http://www.tirol.ag/images/sommer06.jpg";
width="650";
height="330";
}
if (ad==7) {
banner="http://www.tirol.ag/images/sommer07.jpg";
width="650";
height="330";
}
if (ad==8) {
banner="http://www.tirol.ag/images/sommer08.jpg";
width="650";
height="330";
}
if (ad==9) {
banner="http://www.tirol.ag/images/sommer09.jpg";
width="650";
height="330";
}
if (ad==10) {
banner="http://www.tirol.ag/images/sommer10.jpg";
width="650";
height="330";
}
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');