var map;
var centerLatitude = 65.533333;
var centerLongitude = -38.966667;
var startZoom = 6;

function addMarker(latitude, longitude, description) {
	var icon = new GIcon();
	icon.image = "http://www.projectinlandice.com/graphics/layout/position.png"
	icon.iconSize = new GSize(40,40);
	icon.iconAnchor = new GPoint(20,40);
	icon.infoWindowAnchor = new GPoint(20,40);
	var marker = new GMarker(new GLatLng(latitude, longitude), icon);
	GEvent.addListener(marker, 'click',
	   function() {
		   marker.openInfoWindowHtml(description);
	   }
	);
	map.addOverlay(marker);
}

function init() {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map"),{mapTypes:[G_SATELLITE_MAP, G_NORMAL_MAP]});
		map.addControl(new GSmallMapControl());
		map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(centerLatitude, centerLongitude), startZoom);
		for(id in markers) {
			addMarker(markers[id].latitude, markers[id].longitude, markers[id].name);
		}
	}
}

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