New Zeland Bug

HTML

<script src="http://www.google.com/jsapi?fake=.js"></script>
<div id="visualization"></div>

JavaScript

google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawVisualization); 

function drawVisualization() {
     
     var data = new google.visualization.DataTable();

 data.addColumn('string', 'Country');
 data.addColumn('number', 'Value'); 
 data.addColumn({type:'string', role:'tooltip'});var ivalue = new Array();

    data.addRows([[lat:-39.297193, lng:175.721340},0,'']]);
     data.addRows([[{v:'AU-VIC',f:'Victoria'},0,'']]);
    data.addRows([[{v:'AU-TAS',f:'Tasmania'},0,'']]);
    data.addRows([[{v:'AU-SA',f:'South Australia'},0,'']]);
    data.addRows([[{v:'AU-WA',f:'Western Australia'},0,'']]);
    data.addRows([[{v:'AU-QLD',f:'Queensland'},0,'']]);
     data.addRows([[{v:'AU-NSW',f:'New South Wales'},0,'']]);
    data.addRows([[{v:'AU-NT',f:'Northern Territor'},0,'']]);

 
ivalue['NZ'] = '';
 var options = {
 
  region:'AU',
 legend: 'none',    
 backgroundColor: {fill:'#FFFFFF',stroke:'#FFFFFF' ,strokeWidth:0 },    
 datalessRegionColor: '#f5f5f5',
 displayMode: 'regions', 
 enableRegionInteractivity: 'true', 
 resolution: 'provinces',
 

 keepAspectRatio: true,
 width:500,
 height:400,
 tooltip: {textStyle: {color: '#444444'}, trigger:'focus'}    
 };
  var chart = new google.visualization.GeoChart(document.getElementById('visualization')); 
 chart.draw(data, options);
 }