// Start position for the map (hardcoded here for simplicity,
		// but maybe you want to get from URL params)

                var map; //complex object of type OpenLayers.Map

		//Initialise the 'map' object
		function init(lat, lon, zoom) {
			map = new OpenLayers.Map ("map", {
				controls:[
					new OpenLayers.Control.Navigation(),
					new OpenLayers.Control.PanZoomBar(),
					new OpenLayers.Control.LayerSwitcher(),
					new OpenLayers.Control.Attribution()],
				maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
							maxResolution: 156543.0399,
				numZoomLevels: 19,
				units: 'm',
				projection: new OpenLayers.Projection("EPSG:900913"),
				displayProjection: new OpenLayers.Projection("EPSG:4326")
			} );


			// Define the map layer
			// Note that we use a predefined layer that will be
			// kept up to date with URL changes
			// Here we define just one layer, but providing a choice
			// of several layers is also quite simple
			// Other defined layers are OpenLayers.Layer.OSM.Mapnik, OpenLayers.Layer.OSM.Maplint and OpenLayers.Layer.OSM.CycleMap
			layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik");
			map.addLayer(layerMapnik);
			//layerTilesAtHome = new OpenLayers.Layer.OSM.Osmarender("Osmarender");
			//map.addLayer(layerTilesAtHome);
			//layerCycleMap = new OpenLayers.Layer.OSM.CycleMap("CycleMap");
			//map.addLayer(layerCycleMap);
			layerMarkers = new OpenLayers.Layer.Markers("Markers");
			map.addLayer(layerMarkers);
			
			var lonLat = new OpenLayers.LonLat(lon, lat).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
			map.setCenter (lonLat, zoom);

			var size = new OpenLayers.Size(21,25);
			var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
			var icon = new OpenLayers.Icon('http://www.openstreetmap.org/openlayers/img/marker.png',size,offset);
			var myMarker = new OpenLayers.Marker(lonLat, icon);
			layerMarkers.addMarker(myMarker);
			//sleep(5000);

		}