var map;


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) {
        
       var 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);
                        callbackFunction(point);
                  }else{
                        //alert("Postcode " + postcode + " not found!");
                  }
            });   
            
      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() {
      if (GBrowserIsCompatible()) {
            map = new GMap2(document.getElementById("map"));
            map.addControl(new GLargeMapControl());
            map.addControl(new GMapTypeControl());
      }
}

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);