var map;
var localSearch = new GlocalSearch();
var zoomLevel = 15;

function mapLoad() {

}

function usePointFromPostcode(postcode, callbackFunction) {
	usePointFromPostcodeFull(postcode, callbackFunction, 15, true, "mapWrap")
}

function usePointFromPostcodeFull(postcode, callbackFunction, pZoomLevel, useMarker, wrapName) {
	zoomLevel = pZoomLevel;
	localSearch.setSearchCompleteCallback(null,
		function() {

			if (GBrowserIsCompatible()) {
				map = new GMap2(document.getElementById(wrapName));
				map.addControl(new GLargeMapControl());
				map.addControl(new GMapTypeControl());
				map.setCenter(new GLatLng(54.622978, -2.592773), 10, G_NORMAL_MAP);
			}

			if (localSearch.results[0]) {
				var resultLat = localSearch.results[0].lat;
				var resultLng = localSearch.results[0].lng;
				var point = new GLatLng(resultLat, resultLng);
				callbackFunction(point);
				if (useMarker) {
					var marker = new GMarker(point);
					map.addOverlay(marker);
				}
			} else {
				alert("Postcode not found!");
			}
		});	
		
	localSearch.execute(postcode + ", UK");
}

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

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

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



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();
	  }
	}
}

addUnLoadEvent(GUnload);