function updateDate() {
    var dt = new Date();
    var jours = Array("Dimanche", "Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi");
    var mois = Array("janvier", "février", "mars", "avril", "mai", "juin", "juillet", "août", "septembre", "octobre", "novembre", "décembre");
    var Y = dt.getFullYear();
    var M = mois[dt.getMonth()];
    var D = dt.getDate();
    if (D == 1) D = "1er";
    var J = jours[dt.getDay()];
    var h = dt.getHours();
    if (h < 10) h = "0" + h;
    var m = dt.getMinutes();
    if (m < 10) m = "0" + m;
    document.getElementById("date").innerHTML = J + " " + D + " " + M + " " + Y + " " + h + ":" + m;
    setTimeout("updateDate()", 10000);
}

var debut = 1;
var attente = 4000;
var clic = 0;
function updateUneMin() {
    if (clic == 0) {
         for (var i = 1; i <= 6; i++) {
              document.getElementById('col'+i).style.display = "none";
         }
         document.getElementById('col'+debut).style.display = "";
         debut++;
         if (debut == 7) debut = 1;
         setTimeout("updateUneMin()", attente);
    }
}

function afficheCol(num) {
    for (var i = 1; i <= 6; i++) {
         document.getElementById('col'+i).style.display = "none";
    }
    document.getElementById('col'+num).style.display = "";
    attente = 200000;
    clic = 1;
}