new.json

{
	"map": {
		"projection": "EPSG:900913",
		"units": "m",
		"center": {"x": 1250000.000000, "y": 5370000.000000, "crs": "EPSG:900913"},
    "zoom":5,
		"maxExtent": [
			-20037508.34, -20037508.34,
			20037508.34, 20037508.34
		],
		"layers": [
			{
				"type": "osm",
				"title": "Open Street Map",
				"name": "mapnik",
        "source": "osm",
				"group": "background",
        "visibility": true
			},
      {
        "type": "google",
        "title": "Google HYBRID",
        "name": "HYBRID",
        "source": "google",
        "group": "background",
        "visibility": false
      },
      {
        "type": "mapquest",
        "title": "MapQuest OSM",
        "name": "osm",
        "source": "mapquest",
        "group": "background",
        "visibility": false
      },
      {
        "type": "tileprovider",
        "title": "NASAGIBS Night 2012",
        "provider": "NASAGIBS.ViirsEarthAtNight2012",
        "name": "Night2012",
        "source": "nasagibs",
        "group": "background",
        "visibility": false
      },
      {
        "type": "tileprovider",
        "title": "OpenTopoMap",
        "provider": "OpenTopoMap",
        "name": "OpenTopoMap",
        "source": "OpenTopoMap",
        "group": "background",
        "visibility": false
      }
		]
	}
}