function montre(id) {
	document.getElementById(id).style.display="block";
}

function cache(id) {
	document.getElementById(id).style.display="none";
}
function select_deselect() {
	var arrondissement = document.getElementById('arrondissement');
	var canton = document.getElementById('canton');
	if (arrondissement.value != "") {
		canton.disabled = "disabled";
	} else {
		canton.disabled = "";
	}
	if (canton.value != "") {
		arrondissement.disabled = "disabled";
	} else {
		arrondissement.disabled = "";
	}
}