Google Charts

Code

google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
	var data = google.visualization.arrayToDataTable([
		['Year', 'Sales', 'Expenses'],
		['2004', 1000, 400],
		['2005', 1170, 460],
		['2006', 660, 1120],
		['2007', 1030, 540]
	]);

	var options = {
		title: 'Company Performance'
	};

	var chart = new google.visualization.LineChart(document.getElementById('example'));
		chart.draw(data, options);
}