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, coords) {

if (postcode != '' || coords != '') {
	localSearch.setSearchCompleteCallback(null, 
		function() {
			
			if (localSearch.results[0]) {		
			if (!(coords == '' || coords == ',')){
				var coord = coords.split(',')				
				var resultLat = coord[1];
				var resultLng = coord[0];
			} else {
				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!");
			}
		}
		)
		
		} else {
		alert("No Postcode Entered")
		}
		;	

localSearch.execute(postcode + ", UK");
}

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(id,defaultmode,coords) {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById(id));
		
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		
		if (defaultmode == false) {
		map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_HYBRID_MAP);
		} else {
		
		if (!(coords == '' || coords == ',')){
		
		    var coord = coords.split(',')	
		    var resultLat = coord[1];
		    var resultLng = coord[0];
		
		    map.setCenter(new GLatLng(resultLat,resultLng), 5, G_HYBRID_MAP);
		} else {
		   map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_HYBRID_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);