function montre(i) {var bulle = 'bulle'+i; document.getElementById(bulle).style.visibility = "visible";}
function cache(i) {var bulle = 'bulle'+i; document.getElementById(bulle).style.visibility = "hidden";}

document.write('<style type="text/css">');

pos_conteneur = (screen.width-1024)/2;
  
pos_bulle0 = pos_conteneur; pos_bulle1 = 150 + pos_conteneur; pos_bulle2 = 150 + pos_conteneur;
pos_bulle3 = pos_conteneur + 50;
pos_bulle4 = pos_conteneur + 50;

  
document.write('#bulle3{ position: absolute; top:15px; left:20px; width: 900px; height: 280px; background: #dce6ef; border: 2px inset #000000; visibility: hidden;}');
document.write('#bulle4{ position: absolute; top:320px; left:20px; width: 900px; height: 330px; background: #dce6ef; border: 2px inset #000000; visibility: hidden;}');

document.write('</style>');