attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>",
maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
maxResolution: 156543,
units: "m",
attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>",
maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
maxResolution: 156543,
units: "m",