Nav de Seleção / Opção Móvel

<script src="http://code.jquery.com/jquery.js"></script>
<script>
// DOM ready
$
(function() {
//dropdown
// Create the dropdown base

$
("nav select").change(function() {
window
.location = $(this).find("option:selected").val();
});

});
</script>

<nav><select><option value="">NAVIGATION</option>
<option value="">LINK</option>
</select></nav>