var mess = new Array(
'<img src="/images/bandeau/paris.jpg" alt="Paris" />',
'<img src="/images/bandeau/drapeaux.jpg" alt="Drapeaux" />',
'<img src="/images/bandeau/inde.jpg" alt="Inde" />',
'<img src="/images/bandeau/chine.jpg" alt="Chine" />',
'<img src="/images/bandeau/afrique.jpg" alt="Afrique" />',
'<img src="/images/bandeau/huttes.jpg" alt="Huttes" />',
'<img src="/images/bandeau/japon.jpg" alt="Japon" />',
'<img src="/images/bandeau/inde2.jpg" alt="Inde" />',
'<img src="/images/bandeau/afrique2.jpg" alt="Afrique" />',
'<img src="/images/bandeau/quebec.jpg" alt="Québec" />');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);