var decompte = function(id_div, date_str)
{
	var limite = eval(date_str);
	var time = parseInt(limite.getTime() / 1000, 10);
	var now = new Date();
	time_tmp = parseInt(now.getTime() / 1000, 10);
	restant = time - time_tmp;

	heure = parseInt((restant / 3600), 10);
	minute = parseInt((restant / 60 - (heure * 60)), 10);
	seconde = parseInt((restant - heure * 3600 - minute * 60), 10);

	$( id_div + '_heure').set('html', heure);
	$( id_div + '_minute').set('html', minute);
	$( id_div + '_seconde').set('html', seconde);

	if (restant > 0)
		setTimeout('decompte("'+id_div+'", "'+date_str+'")', 1000);
	else {
		window.location.reload();
		/*var id = (''+id_div).charAt(5);
		new Request({
			url: '/produits/venteschrono_ajax.php',
			onSuccess: function(rt,rx) {
				$(id_div).empty().set('html',rt);
			},
			onFailure: function(xhr) {
				$(id_div).empty();
			}
		}).send('id='+id);
		*/
	}
}