var map;
var localSearch = new GlocalSearch();

function mapLoad() {
    
}

function usePointFromPostcode(postcode, callbackFunction) {

    localSearch.setSearchCompleteCallback(null,
		function() {

            if (GBrowserIsCompatible()) {
                map = new GMap2(document.getElementById("googleMap"));
                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);
		        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, 15);
}

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);