// JavaScript Document
$('input').keyup(function() {
	var chif=$(this).val();
	if (!isNumeric(chif)) {
		return;
	}
	$.ajax({
		type: "POST",
		url: "ajaxSession.php",
		data: "value="+$(this).attr('name')+"&quantite="+chif,			 
	});
	var mont=$(this).parent().parent().children('.prixU').children('span').html();
	$(this).parent().parent().children('.prix').children('span').html(mont*chif);
	var total=Number(0);
	$('.prix').each(function(i) {
			total+=Number($(this).children('span').html());
	});
	$('#total').children('span').html(total);
});
$('.load').hide();
function isNumeric(strString) {
	var strValidChars = "0123456789";
	var strChar;
	
	if (strString.length == 0) return false;
	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length; i++) {
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1) {
			return false;
		}
	}
	return true;
}