No-Library (pure JS), HTML, CSS, JavaScript
Explanation in http://www.codingeverything.com/2014/02/BootstrapDocsSideBar.html
jQuery 1.10.1, HTML, CSS, JavaScript
jQuery 1.11.0, HTML, CSS, JavaScript
Mootools 1.4.5, HTML, CSS, JavaScript
jQuery 1.6.2, HTML, CSS, JavaScript