Finally, after lot of trial and error I came to know that: the example provided at documentation is bit misleading... it simply uses "New York" while it should follow "US-NY" pattern... this way it was able to recognize "New York" somehow, but when I write "Miami" or "South Dakota" it didnt color the region.
So, cutting the long story shorter, here's is the working code [in which most of the developers are interested :) ] ... the description was for search engines not for u ;)
<html>
<head>
<script type='text/javascript' src='http://www.google.com/jsapi'></script>
<script type='text/javascript'>
google.load('visualization', '1', {'packages': ['geomap']});
google.setOnLoadCallback(drawMap);
function drawMap() {
var data = new google.visualization.DataTable();
data.addRows(6);
data.addColumn('string', 'Country');
data.addColumn('number', 'Energy Savings');
data.setValue(0, 0, 'US-AZ');
data.setValue(0, 1, 18);
data.setValue(1, 0, 'US-LA');
data.setValue(1, 1, 32);
data.setValue(2, 0, 'US-MI');
data.setValue(2, 1, 21);
data.setValue(3, 0, 'US-MN');
data.setValue(3, 1, 30);
data.setValue(4, 0, 'US-CH');
data.setValue(4, 1, 26);
data.setValue(5, 0, 'US-NJ');
data.setValue(5, 1, 17);
var options = {};
options['region'] = 'US';
options['colors'] = [0xE57878, 0xECEE5D, 0x6CEE62];
var container = document.getElementById('map_canvas');
var geomap = new google.visualization.GeoMap(container);
geomap.draw(data, options);
};
</script>
</head>
<body>
<div id='map_canvas'></div>
</body>
</html>
Hope it helps.
Best,
Siraj
