<html><head><title>line chart</title>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.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', curveType: 'function', legend: { position: 'bottom' }
};
var chart = new google.visualization.LineChart(document.getElementById('curve_chart'));
chart.draw(data, options);
}
</script></head>
<body><div id="curve_chart" style="width: 900px; height: 500px"></div></body>
</html>