var geocoder;
var map;
function initialize() {
    geocoder = new google.maps.Geocoder();
    var latlng = new google.maps.LatLng(0, 0);
    var myOptions = {
      zoom: 10,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
}

function codeAddress() {
    var address = document.getElementById("address").value;
    if (geocoder) {
        geocoder.geocode( { 'address': address}, function(results, status) {
            if (status == google.maps.GeocoderStatus.OK) {
                if (status != google.maps.GeocoderStatus.ZERO_RESULTS) {
                    map.setCenter(results[0].geometry.location);
                    var marker = new google.maps.Marker({
                        map: map, 
                        position: results[0].geometry.location
                    });
                } else {
                    // GLog does not work, weird
                    //GLog.write("No results found");
                }
            } else {
                //GLog.write("Geocode was not successful for the following reason: " + status);
            }
        });
    }
}