ajax? 21CDA776-86A5-11DE-BCCD-C04937ABAA09 SlippyMap W2GI https://st1.slippymap.com/tiles, https://st2.slippymap.com/tiles {map: 'smap-01'} SlippyMap Navteq https://st1.slippymap.com/tiles, https://st2.slippymap.com/tiles {map: 'smap-02'} Google Normal {'projection': 'EPSG:900913', 'type': google.maps.MapTypeId.ROADMAP, 'maxZoomLevel':18 }