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) {
	
	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);	
				
				//setCenterToPoint(point);
				
				callbackFunction(point);
			}else{
				alert("Postcode not found!");
			}
		});	
		
	localSearch.execute(postcode + ", UK");
}

function placeMarkerAtPoint(point)
{
		if (GBrowserIsCompatible()) 
		{
			map = new GMap2(document.getElementById("map_canvas_id2"));
			map.addControl(new GLargeMapControl());
			map.addControl(new GMapTypeControl());
			//map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_NORMAL_MAP);
			// G_NORMAL_MAP
			 // G_SATELLITE_MAP
			// G_HYBRID_MAP
			/* 
			Latitude: 51° 29' 30" N (deg min sec), 51.4917° (decimal), 5129.50N (LORAN)
			Longitude: 0° 10' 41" W (deg min sec), -0.1780° (decimal), 00010.68W (LORAN)
			Elevation: 10 meters (32 feet) -- validated against 15 meters (49 feet) from SRTM.C_1TO19_3
			Location: London, UK
			London+W6+0LH,+United+Kingdom=51.494334,-0.226782
			*/
			//map.setCenter(new GLatLng(51.494334,-0.226782),10);
			//map.setCenter(new GLatLng(51.504562,-0.05624),11);
 			// map.setUIToDefault();
		}
		map.setCenter(point, 15); // auto adjusting center for marker place
		var marker = new GMarker(point,icon);
		map.addOverlay(marker);
}

function setCenterToPoint(point)
{
	map.setCenter(point, 15);
}

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

function mapLoad() {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map_canvas_id2"));
		
		
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		
		
		//map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_NORMAL_MAP);
		
		// G_NORMAL_MAP
   		 // G_SATELLITE_MAP
		// G_HYBRID_MAP
	
		/* 
		Latitude: 51° 29' 30" N (deg min sec), 51.4917° (decimal), 5129.50N (LORAN)
		Longitude: 0° 10' 41" W (deg min sec), -0.1780° (decimal), 00010.68W (LORAN)
		Elevation: 10 meters (32 feet) -- validated against 15 meters (49 feet) from SRTM.C_1TO19_3
		Location: London, UK
		
		London+W6+0LH,+United+Kingdom=51.494334,-0.226782
		*/

		
		//map.setCenter(new GLatLng(51.494334,-0.226782),10);
		
		
		map.setCenter(new GLatLng(51.504562,-0.05624),15);
		
		
		

		
		
 		// map.setUIToDefault();
  
	}
}

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);