var classes = [
'GControl',
'GClientGeocoder',
'GDirections',
'GDraggableObject',
'GGeoXml',
'GGoogleBarOptions',
'GGroundOverlay',
'GIcon',
'GInfoWindowOptions',
'GMapType',
'GMarker',
'GMarkerOptions',
'GOverlay',
'GPolygon',
'GPolyline',
'GProjection',
'GScreenOverlay',
'GStreetviewPanorama',
'GStreetviewClient',
'GStreetviewOverlay',
'GTileLayer',
' ',
'DragZoomControl',
'ExtInfoWindow',
'ExtLargeMapControl',
'ExtMapTypeControl',
'LabeledMarker',
'MarkerManager',
'MarkerManager',
'MarkerTracker',
'PopupMarker',
'ProgressBarControl',
'SnapToRoute',
'TabbedMaxContent'
];