var map;
var localSearch = new GlocalSearch(); 


var icon = new GIcon();
icon.image = "http://www.google.com/mapfiles/marker.png";
icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
icon.iconSize = new GSize(20, 34);
icon.shadowSize = new GSize(37, 34);
icon.iconAnchor = new GPoint(10, 34);


function usePointFromPostcode(postcode, callbackFunction) {

    localSearch.setSearchCompleteCallback(null,
		function() {

        if (localSearch.results[0]) {
            var resultLat = localSearch.results[0].lat;
            var resultLng = localSearch.results[0].lng;
            var point = new GLatLng(resultLat, resultLng);
            callbackFunction(point);
        } else {
            alert("Postcode not found!");
        }
    });

    localSearch.execute(postcode + ", UK");
}

function placeMarkerAtPoint(point) {
    var marker = new GMarker(point, icon);
    map.addOverlay(marker);
}

function setCenterToPoint(point) {
    map.setCenter(point, 17);
}

function showPointLatLng(point) {
    alert("Latitude: " + point.lat() + "\nLongitude: " + point.lng());
}