var nombre = 8;
var temps = new Date()
var seconde = temps.getSeconds()
var banniere = seconde % nombre;
banniere +=1;

if (banniere==1) {
url="http://www.aquapages.fr";
banner="http://www.aquapages.fr/bibliotheque/ban_apg.jpg";
destin="_self";
}

if (banniere==2) {
url="http://www.malawi-cichlides.com";
banner="http://www.malawi-cichlides.com/bibliotheque/ressources/mc_banner.jpg";
destin="_blank";
}

if (banniere==3) {
url="http://www.aquavernon.fr";
banner="http://www.aquavernon.fr/artpublic/bibliotheque/images/bannieres/banniere.gif";
destin="_self";
}

if (banniere==4) {
url="http://www.francecichlid.com/";
banner="http://www.francecichlid.com/images/banners/afc468_60.jpg";
destin="_blank";
}

if (banniere==5) {
url="http://www.cichlidsforum.fr";
banner="http://www.photo-cichlide.perspicax.com/cichlidsforum.com.gif";
destin="_blank";
}

if (banniere==6) {
url="http://www.destin-tanganyika.com";
banner="http://www.destin-tanganyika.com/images/tangabaiecouchersoleil.gif";
destin="_blank";
}

if (banniere==7) {
url="http://www.abysse-cichlides.com";
banner="http://www.abysse-cichlides.com/images/bann-abysse.gif";
destin="_blank";
}

if (banniere==8) {
url="http://www.normadiag.fr";
banner="http://www.normadiag.fr/artpublic/bibliotheque/logos/nd_ban_01.jpg";
destin="_blank";
}

document.write('<a href=\"' + url + '\" target=\"' + destin +'\">');
document.write('<img src=\"' + banner + '\" border=0></a>');