anchor.diff:    });
   
     function positionUpdate(l){
  -    var gl = new google.maps.LatLng(l.coords.latitude, l.coords.longitude);
  +    bubbleLoc = new google.maps.LatLng(l.coords.latitude, l.coords.longitude);
       if (bubble == null) {
         bubble = new google.maps.Marker({
           map: map,
  -        position: gl,
  +        position: bubbleLoc,
           icon:new google.maps.MarkerImage('/images/bubble.png', null, null, 
                                            new google.maps.Point(9,9), 
                                            new google.maps.Size(18,18)),
  
positive.code:       });
      }
      else {
        bubble.setPosition(gl);
      }
      //map.panTo(gl);
    }
  
    function positionUpdateFail(e){
  
negative.code:     };
      map = new google.maps.Map( document.getElementById("map"), opts );
  
      if (navigator.geolocation != undefined) {
        navigator.geolocation.watchPosition(positionUpdate, positionUpdateFail);
        $('form').append('<input type="button" value="Center map where I am" onClick="if(bubbleLoc!=null){map.panTo(bubbleLoc)}"/>');
      }
    });
  
    var socket = io.connect();
  