https://developer.mozilla.org/en/Canvas_tutorial/Applying_styles_and_colors

http://code.google.com/p/canvas-text/

http://en.wikipedia.org/wiki/Canvas_%28HTML_element%29

https://developer.mozilla.org/en/Canvas_tutorial

https://developer.mozilla.org/en/Canvas_tutorial/Drawing_shapes

http://developer.apple.com/documentation/AppleApplications/Conceptual/SafariJSProgTopics/Tasks/Canvas.html

http://ajaxian.com/archives/canvas-in-ie

http://www.openstudio.fr/Library-for-simple-drawing-with.html

http://www.rgraph.net/