http://code.google.com/p/flot/ http://code.google.com/p/flot/ http://www.highcharts.com/ http://www.highcharts.com/ Both good choices. I've used flot before a

http://code.google.com/p/flot/ http://code.google.com/p/flot/ http://www.highcharts.com/ http://www.highcharts.com/ Both good choices. I've used flot before and it's great, though there are some things that are hard to do. Highcharts I haven't used yet, but it promises more features and customizability, so I think I'm switching.