Turn imgur GIF links into GIFV

imgur-gif-to-gifv.user.js

// ==UserScript==
// @name        imgur GIF to GIFV
// @description Turn imgur GIF links into GIFV.
// @exclude     *imgur.com*
// @version     1.2.1
// @grant       none
// @run-at      document-start
// ==/UserScript==	

(function () {

	var imgur_regex = /^https?:\/\/i\.imgur\.com\/[A-Za-z0-9]+.gif$/
	var result2 = imgur_regex.exec(window.location);
	
	function replace_links() {
		var links = document.getElementsByTagName('a');
		
		for (var i = 0; i < links.length; i++) {
			var item = links[i];
			result2 = imgur_regex.exec(item.href);
			if (result2) {
							item.href = item.href + "v";
						}
		}
	}

	window.addEventListener("DOMContentLoaded", replace_links, false);

}());