<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
 google.load("visualization", "1", {packages:["corechart"]});
 google.setOnLoadCallback(drawChart);
 function drawChart() {
  var options = { title: '${title=}' };
  var legend = '${legend=}'.split('|');
  legend.unshift('-');
  var idata = '${data=}'.split('||');
  var data = new Array(idata.length+1);
  data[0] = legend;
  for (var i = 0; i < idata.length; i++) {
   data[i+1] = idata[i].split('|');
   for (var j = 1; j < data[i+1].length; j++) {
    data[i+1][j] = parseInt(data[i+1][j]);
   }
  }
  var pdata = google.visualization.arrayToDataTable(data);
  var chart = new google.visualization.LineChart(document.getElementById('${id=}'));
  chart.draw(pdata, options);
 }
</script>
<div id="${id=}" style="width: ${width=500}px; height: ${height=250}px;"></div>

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