AmCharts - Map - Select Hong Kong

HTML

<script type="text/javascript" src="http://www.amcharts.com/lib/3/ammap.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/maps/js/usaLow.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/themes/none.js"></script>
<div id="controls">
    <button onclick="selectAllStates()">Select All States</button>
</div>
<div id="chartdiv"></div>

CSS

#chartdiv {
	width	: 100%;
	height	: 500px;
}														

#controls {
    margin-top: 20px;
    text-align: center;
}

#controls button {
    width: 200px;
    height: 40px;
}

JavaScript

var map = AmCharts.makeChart("chartdiv", {
    "type": "map",
    "theme": "dark",
    "pathToImages": "http://www.amcharts.com/lib/3/images/",
    
    "dataProvider": {
        "map": "usaLow",
        "getAreasFromMap": true,
        "colorSteps": 1,
        "areas" : []
    },
    "areasSettings": {
		"selectedColor": "#CC0000"
    },
});

function selectAllStates() {
	map.selectObject(map.getObjectById('US-TX'));
  setTimeout(function() {
		map.selectObject(map.getObjectById('US-WY'));
  }, 2000);
}