var iconData = {
  "blue-dot": { width: 32, height: 32 }
};

var cameraLayer = [
  {
    "zoom": [0, 17],
    "places": [
    
      {
        "name": "",
        "cam_img": "http://cameramap.addsensor.com/statics/geoitems/Velazquez_97d_90x90.jpg",
        "cam_type": "Marker2",
        "posn": [40.43506,-3.683451],
        "address": "velazquez 97 madrid",
        "item_url": "/cameras/44/"
      },
  
    ]
  }
];