anchor.diff:  
             var infoBoxOptions = {
     					disableAutoPan: false,
  -  					maxWidth: 0,
     					pixelOffset: new google.maps.Size(7, -7),
     					zIndex: null,
     					infoBoxClearance: new google.maps.Size(1, 1),
     					isHidden: false,
               closeBoxURL: '',
  -  					pane: 'floatPane',
     					enableEventPropagation: false
     				};
   
  
positive.code:       // When user mouses over the marker, open the infoBox and update its contents.
        google.maps.event.addListener(marker, 'mouseover', function() {
          if (_overMarker !== marker) _infoBoxState.turnOff(PIN_INFOBOX);
          _overMarker = marker;
          _infoBoxState.turnOn(OVER_MARKER);
          _infoBoxContent = content;
          _selectedMarker = marker;
          _updateInfoBoxState();
        });
        google.maps.event.addListener(marker, 'mouseout', function() {
          _infoBoxState.turnOff(OVER_MARKER);
  
negative.code:       });
      }
  
      function _registerMarker(marker, content)
      {
        _overMarker = marker;
        _infoBoxState.turnOn(OVER_MARKER);
        _infoBoxContent = content;
        _selectedMarker = marker;
        _updateInfoBoxState();
      }
  
      // Triggers a resize event and refits the map to the bounds of the markers
      function _refresh()
      {
  