Geolocation

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">

    jQuery(document).ready(function () {
        if (navigator.geolocation) {
            navigator.geolocation.getCurrentPosition(success, error);
        } else {
            alert('not supported');
        }
      });

    function success(position) {
        var lat = position.coords.latitude;
        var lon = position.coords.longitude;
        google.load("maps", "2", { callback: findloc });
    }
    function error(msg) {
           }
    function findloc() {
        if (google.loader.ClientLocation) {
            window.location.href = "http://hvordanervejret.dk/" + google.loader.ClientLocation.address.city;

    }
    }
</script>