var how_many_ads = 11;
var now = new Date();
var sec = now.getSeconds();
var ad = sec % how_many_ads;
ad += 1;
if (ad==1) {
	banner="/images/common/bandeau/bandeau_01.jpg";
}
if (ad==2) {
	banner="/images/common/bandeau/bandeau_02.jpg";
}
if (ad==3) {
	banner="/images/common/bandeau/bandeau_03.jpg";
}
if (ad==4) {
	banner="/images/common/bandeau/bandeau_04.jpg";
}
if (ad==5) {
	banner="/images/common/bandeau/bandeau_05.jpg";
}
if (ad==6) {
	banner="/images/common/bandeau/bandeau_06.jpg";
}
if (ad==7) {
	banner="/images/common/bandeau/bandeau_07.jpg";
}
if (ad==8) {
	banner="/images/common/bandeau/bandeau_08.jpg";
}
if (ad==9) {
	banner="/images/common/bandeau/bandeau_09.jpg";
}
if (ad==10) {
	banner="/images/common/bandeau/bandeau_10.jpg";
}
if (ad==11) {
	banner="/images/common/bandeau/bandeau_11.jpg";
}

document.write('<img src="' + banner + '">');