chart javescript 验证码

http://www.google.com/recaptcha

http://www.amcharts.com/javascript/simple-column-chart/

http://pchart.sourceforge.net/index.php

http://www.fusioncharts.com/demos/business/#management-dashboard

http://www.maani.us/xml_charts/index.php?menu=Gallery&submenu=3D_Area

 

http://www.shapecollage.com/online

http://www.highcharts.com/