var map;
var marker;
//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);
*/
var global_point = 'dfg';

function usePointFromPostcode(postcode, callbackFunction) {
	var p;
	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);
				global_point = point;
				callbackFunction(point);
				return point;
			}else{
				//alert("Postcode not found!");
			}
			
		});	
		
	localSearch.execute(postcode + ", UK");
}

function usePointFromSearch(location) {
	var p;
	localSearch = new GlocalSearch(); 
	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);
				document.getElementById('lat').value = resultLat;
				document.getElementById('lng').value = resultLng;
				map.setCenter(new GLatLng( resultLat, resultLng), 15 , G_HYBRID_MAP);	
				return point;
			}else{
				alert("Location not found!");
			}
			
		});	
		
	localSearch.execute(location);
}




function setCenterToPoint()
{
	lat_txt = document.getElementById('lat');
	lng_txt = document.getElementById('lng');
	zoom_txt = document.getElementById('zoom');
	map.setCenter(new GLatLng(lat_txt.value, lng_txt.value), zoom_txt.value, G_HYBRID_MAP);
}

function mapLoad() {
	marker = new GMarker(0,0);
	lat_txt = document.getElementById('lat');
	lng_txt = document.getElementById('lng');
	zoom_txt = document.getElementById('zoom');
	if (GBrowserIsCompatible()) {
		map = new GMap(document.getElementById("map"));
		GEvent.addListener(map,"click", function(overlay, latlng) {     
		  if (latlng) { 
			lat = latlng.lat();
			lng = latlng.lng();
			lat_txt.value = lat;
			lng_txt.value = lng;
			marker.setLatLng( new GLatLng(lat,lng) );
			map.addOverlay(marker);
			zoom_txt.value = map.getZoom();
		  }
		});

		
		
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		if(lat_txt.value && lng_txt.value && zoom_txt.value) {
		zoom_level = parseInt(zoom_txt.value);
		lat_value = parseFloat(lat_txt.value);
		lng_value = parseFloat(lng_txt.value);
		map.setCenter(new GLatLng( lat_value, lng_value), zoom_level , G_HYBRID_MAP);	
			marker.setLatLng( new GLatLng(lat_value,lng_value) );
			map.addOverlay(marker);
		} else {
			map.setCenter(new GLatLng(54.622978,-2.592773), 1, 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);