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 <= 7; i++) {                             
	          document.getElementById('col'+i).style.display = "none";
	     }
	     document.getElementById('col'+debut).style.display = "";
	     debut++;
	     if (debut == 8) debut = 1;
	     setTimeout("updateUneMin()", attente);  
	}
}

function afficheCol(num) {
	for (var i = 1; i <= 7; i++) {                             
	 	document.getElementById('col'+i).style.display = "none";
	}
	document.getElementById('col'+num).style.display = "";
	attente = 200000;
	clic = 1;
}