HTML 5 Geo Location Prompt in Chrome

Just starting to get into HTML 5 and an testing out geo location...liking it so far. I am hitting a bit of a speed bump though...when I try to get my geo location, chrome automatically blocks the page from getting my location. This does not happen at other sites such as the site below:

http://html5demos.com/geo

The scripts I'm using:

<script type="text/javascript" JavaScript" SRC="geo.js"></script>   
<script type="text/javascript" JavaScript" SRC="Utility.js"></script> 
<script type="text/javascript" JavaScript" SRC="jquery.js"></script> 
<script type="text/javascript" JavaScript" SRC="modernizr.js"></script>  

function get_location() {

        if (geo_position_js.init()) {
            geo_position_js.getCurrentPosition(show_map, handle_error);
        }

    }
    function show_map(position) {
        var latitude = position.coords.latitude;
        var longitude = position.coords.longitude;

        alert("lat:" + latitude + " long:" + longitude);


    }
    function handle_error(err) {
        alert(err.code);
        if (err.code == 1) {
            // user said no!
        }
    }

    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(show_map, handle_error);
    } else {
        error('not supported');
    }

I am testing this out from a local directory on my machine, so there isn't really a "domain" like "http://whatever.com/mytestpage.html". Is this why I am not getting prompted? If so, is it possible to force the browswer to request permission to get the user's geo location and is it possible in my scenario?