javascript grap library

http://teethgrinder.co.uk/open-flash-chart/

http://www.jscharts.com/examples

http://www.jqwidgets.com/ 

http://www.highcharts.com/demo/

http://www.jqplot.com/tests/

http://www.fusioncharts.com/explore/

http://omnipotent.net/jquery.sparkline/#s-about

https://developers.google.com/chart/?hl=ko

http://humblesoftware.com/flotr2/index#!basic