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) {	
	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);
			var marker = new GMarker(point,icon);
			map.addOverlay(marker);
			map.setCenter(point, 15, G_NORMAL_MAP);
		}else{
			alert("Postcode not found!");
		}
	});			
localSearch.execute(postcode + ", UK");
}

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);
		usePointFromPostcode('GU14 6HF');
	}
}

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);