Hide advertisements on pistonheads.com
// ==UserScript==
// @name Pistonheads Ad Hider
// @namespace http://mbignell.com/
// @version 0.2
// @description Hide advertisements on pistonheads.com
// @author You
// @match http://www.pistonheads.com/gassing/topic.asp?*
// @grant none
// ==/UserScript==
document.getElementsByClassName("mpu")[0].setAttribute("hidden","true");