http://css-tricks.com/13465-persistent-headers/
http://stackoverflow.com/q/7629891/143739
Mootools 1.4.0, HTML, CSS, JavaScript
http://stackoverflow.com/questions/7539148/how-do-i-inherit-functions
http://stackoverflow.com/q/7382058/143739
http://stackoverflow.com/questions/7373644/javascript-multiple-inheritance
http://stackoverflow.com/questions/7373058
Mootools 1.3.2, HTML, CSS, JavaScript
Raphael 1.5.2, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.5.2, HTML, CSS, JavaScript
jQuery 1.6, HTML, CSS, JavaScript