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 placeMarkerAndCentre(point)
{
        var marker = new GMarker(point, icon);
        map.addOverlay(marker);
        map.setCenter(point, 17);
}

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());
}

function mapLoad() { 
        if (GBrowserIsCompatible()) {
                map = new GMap2(document.getElementById("map"));
 

                map.addControl(new GLargeMapControl());
                map.addControl(new GMapTypeControl());
                map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_NORMAL_MAP);
        }
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function addUnLoadEvent(func) {
        var oldonunload = window.onunload;
        if (typeof window.onunload != 'function') {
          window.onunload = func;
        } else {
          window.onunload = function() {
            oldonunload();
            func();
          }
        }
}

addLoadEvent(mapLoad);
addUnLoadEvent(GUnload);