http://stackoverflow.com/questions/17273719/how-to-scroll-down-100-with-mousewheel-at-once-jquery
No-Library (pure JS), HTML, CSS, JavaScript
author(s): Torstein Hønsi
Mootools 1.4.2, HTML, CSS, JavaScript
jQuery 1.8.3, HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript