text: var ros = new ROSLIB.Ros({ url : 'ws://' + location.hostname + ':9000' });
  
  ros.on('connection', function() {console.log('websocket: connected'); });
  ros.on('error', function(error) {console.log('websocket error: ', error); });
  ros.on('close', function() {console.log('websocket: closed');});
  
  var ls = new ROSLIB.Topic({
  	ros : ros,
  	name : '/lightsensors',
  	messageType : 'pimouse_ros/LightSensorValues'
  });
  
  ls.subscribe(function(message) {
          for( e in message ){
                  document.getElementById(e).innerHTML = message[e];
          }
  });
  
  
  document.getElementById('camstream').data = 'http://'
          + location.hostname
          + ':10000/stream?topic=/cv_camera_node/image_raw';
  //document.getElementById('camstream').data = 'http://'
  //	+ location.hostname
  //	+ ':10000/stream?topic=/cv_camera_node/image_raw';
  