You can check out Highcharts (which is mentioned in the article) http://www.highcharts.com/ http://www.highcharts.com/ take a look at the chart demos here: ht

You can check out Highcharts (which is mentioned in the article) http://www.highcharts.com/ http://www.highcharts.com/ take a look at the chart demos here: http://www.highcharts.com/demo/?example=combo&theme=default http://www.highcharts.com/demo/?example=combo&theme=defa... You can also take a look at: http://www.fusioncharts.com/ http://www.fusioncharts.com/ and http://www.amcharts.com http://www.amcharts.com