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, eventTitle, eventVenue) 
{	
	var displayText = "<b>" + eventTitle + "</b><br/>" + eventVenue;
	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);
				setCenterToPoint(point, displayText);
			}else{				
				alert("Postcode not found!");
			}
		});			
	localSearch.execute(postcode + ", UK");
}

function setCenterToPoint(point, displayText)
{	
	mapLoad();
	var marker = new GMarker(point,icon);
	map.addOverlay(marker);
	map.setCenter(point, 16);
	GEvent.addListener(marker,"click", function() {
        map.openInfoWindowHtml(point, displayText);
      });
}

function mapLoad() 
{
	if (GBrowserIsCompatible()) 
	{
		map = new GMap2(document.getElementById("gmap"));				
		map.addControl(new GSmallMapControl());
		map.setCenter(new GLatLng(54.622978,-2.592773), 4, G_NORMAL_MAP);
	}
}