gistfile1.txt

function carregarLocalizacao(dest) {
    navigator.geolocation.getCurrentPosition(showpos, error, options);

    function showpos(position) {
        var   lat = position.coords.latitude
            , lng = position.coords.longitude;

        console.log(lat + " " + lng);

        location.href = 'https://maps.google.com/maps?saddr=' + lat + ',' + lng + '&daddr=' + dest;
    }
}