Mootools 1.4.5, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
jQuery (edge), HTML, CSS, JavaScript
(Spinach Hackathon)
jQuery 1.7.2, HTML, CSS, JavaScript
jQuery 1.7.1, HTML, CSS, JavaScript
SO Question - http://stackoverflow.com/questions/9644044/javascript-this-pointer-within-nested-function