// JavaScript Document

var map;
var localSearch = new GlocalSearch();

var icon = new GIcon();
icon.image = "images/map_icon_buy.png";
icon.shadow = "";
icon.iconSize = new GSize(40, 40);
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);
				callbackFunction(point);
			}else{
				alert("Postcode not found!");
			}
		});	
		
	localSearch.execute(postcode + ", UK");
}

function placeMarkerAtPoint(point)
{
	// places a marker at the point and then centralises the map
	var marker = new GMarker(point,icon);
	map.addOverlay(marker);
	map.setCenter(point, 11, G_NORMAL_MAP);
}

function mapLoad() {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("mapimage"));
		
		usePointFromPostcode(document.getElementById('mapPostcode').value, placeMarkerAtPoint);
		map.addControl(new GSmallMapControl());
		//map.addControl(new GMapTypeControl());
		initialize(); // required for street view if removed street view will not show	
	}
}

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);