var graph;

google.load('visualization', '1', {'packages':['annotatedtimeline'], 'language' : 'cs'});
google.setOnLoadCallback(drawChart);
function drawChart() {
	var data = new google.visualization.DataTable();
	data.addColumn('date', 'DateTime');
	data.addColumn('number', 'PX INDEX - Prague');
	data.addRows([

	]);

	var chart = new google.visualization.AnnotatedTimeLine(document.getElementById('symbol-graph'));
	chart.draw(data, {
		displayExactValues: true,
		fill: 20,
		displayAnnotations: true,
		scaleType: 'maximized',
		allowHtml: true,
		wmode:'transparent',
		dateFormat: 'y-M-d HH:mm',
		legendPosition: 'newRow'
	});
	graph = chart;
}