Reference

Announcement: new Javascript/Canvas Graph library
http://aslakhellesoy.com/articles/2006/02/09/announcement-new-javascript-canvas-graph-library
OpenSpace - HTMLタグリファレンス - <canvas>タグ
http://www.openspc2.org/HTML/appendix/canvas_param/title.html

via

[戯] canvas を使った JavaScript によるグラフ描画ライブラリ
http://cl.pocari.org/2006-02-13-1.html