var LyrLat = 78.218626;
var LyrLng = 15.648651;

var centerLatitude = LyrLat;
var centerLongitude = LyrLng;
// var description = 'Longyearbyen';


 		// ground overlay
var boundaries = new GLatLngBounds(new GLatLng(78.001866667,15.0713), new GLatLng(78.28,15.98000));
var oldmap = new GGroundOverlay("http://www.skred-svalbard.no/images/adventdalen.jpg", boundaries);



var startZoom = 10;

var map;
function addMarker(latitude, longitude, description) {
	var marker = new GMarker(new GLatLng(latitude, longitude));
	GEvent.addListener(marker, 'click', 
		function() {
			marker.openInfoWindowHtml(description);
		}
	);
	map.addOverlay(marker);	
}

function InitMap()
{
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map"));
		map.addControl(new GSmallMapControl());
		map.addControl(new GScaleControl());
		map.addControl(new GMapTypeControl());
		map.addControl(new GOverviewMapControl());
		map.setCenter(new GLatLng(centerLatitude, centerLongitude), startZoom);
		map.addOverlay(oldmap);
		
		for (id in markers) {
			addMarker(markers[id].latitude, markers[id].longitude, markers[id].name);
	  }
    }    
}

// window.onload = init;
// window.onunload = GUnload;