function checkAll(obj, idSpe) {
	$('#Specialisation_'+idSpe+' [name^=carriere_]').attr('checked', $(obj).attr("checked"));
	updateCarrieres(idSpe);
}

function updateCarrieres(idSpe) {
	var mesCarrieres = new Array();
	for(var i=1;i <= 4;i++) {
		if($('#Specialisation_'+idSpe+' [name=carriere_'+i+']').attr('checked')) 
			mesCarrieres.push(i);
	}
	$('#Specialisation_'+idSpe+' [name=carrieres]').val(mesCarrieres.join(','));
}