function init_map(){
	// Show the loading indicator first
	var map_options = { 
    'units' : "m",
    'maxResolution' : 156543.0339,
    'numZoomLevels' : 22,
    'projection' : new OpenLayers.Projection("EPSG:900913"),
    'displayProjection' : new OpenLayers.Projection("EPSG:4326"),
    'maxExtent' : new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508)
	};
	    
  var map = new OpenLayers.Map('map', map_options);
	
	map.layers.base = new OpenLayers.Layer.OSM.Mapnik("OpenStreetMap (Mapnik)");
  map.addLayer(map.layers.base);
  map.addControl(new OpenLayers.Control.LayerSwitcher());
	map.setCenter(new OpenLayers.LonLat(-122.29, 47.65).transform(new OpenLayers.Projection("EPSG:4326"),
	new OpenLayers.Projection("EPSG:900913")),6);
	map.updateSize();

	//Hide the loading div
	jQuery("#loading").hide();
}