function chrono(champ,jour,mois,annee,heure) {
	if (document.getElementById && document.getElementById(champ)) {
		var now = new Date()
		var goal = new Date(annee,mois-1,jour,heure)
		var ts = (goal.getTime() - now.getTime())/1000
		//if (ts > 0){
			var h = Math.floor(ts/3600)
			var m = Math.floor((ts-h*3600)/60)
			var s = Math.floor(ts-h*3600-m*60)
			var html = "<span class=\"heure\">" + ((h<10)?" 0":" ")+h+"</span> : "
			+ "<span class=\"minute\">" + ((m<10)?"0":"")+m+"</span> : "
			+ "<span class=\"seconde\">" + ((s<10)?"0":"")+s+"</span>"
			document.getElementById(champ).innerHTML = "<b>ATTENTION, PLUS QUE<br><span class=\"horloge\">" + html + "</span><br>POUR PROFITER DE :</b>"
		//} else {
		//	document.getElementById(champ).innerHTML = " C'est fini ! "
		//}
	}
}