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);
icon.infoWindowAnchor = new GPoint(9, 2);

var iconBlue = new GIcon();
iconBlue.image = "http://gmaps-samples.googlecode.com/svn/trunk/markers/blue/blank.png";
iconBlue.shadow = "http://www.google.com/mapfiles/shadow50.png";
iconBlue.iconSize = new GSize(20, 34);
iconBlue.shadowSize = new GSize(37, 34);
iconBlue.iconAnchor = new GPoint(10, 34);
iconBlue.infoWindowAnchor = new GPoint(9, 2);


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 placeAndCenterBlueMarkerAtPoint(point) {
    var marker = new GMarker(point, iconBlue);
    map.addOverlay(marker);
    map.setCenter(point, 14);
}

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.setUIToDefault();
       // map.addControl(new GLargeMapControl());
       // map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(54.622978, -2.592773), 5, G_HYBRID_MAP); //map is centre of uk
    }
}

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);