emoji icons on youtrack userscript

emoji.js

// ==UserScript==
// @name       Youtrack Emoji-desu
// @namespace  https://enderlabs.com/
// @version    0.1b
// @description parses emoji from included pages
// @copyright  2014+
// @include /^https?://eb\.honeystack\.io/.*$/
// @require https://code.jquery.com/jquery-latest.js
// @require https://s3.amazonaws.com/zzq/emoji.js
// ==/UserScript==

var css = "body{font-size:10pt;}\
.comment-controls {font-size:10pt;}\
span.emoji{-moz-box-orient:vertical;display:inline-block;vertical-align:baseline;width:1em;height:1em;background-size:1em;background-repeat:no-repeat;text-indent:-9999px}span.emoji-sizer{line-height:.81em;font-size:1em;margin:-2px 0}span.emoji-outer{display:-moz-inline-box;display:inline-block;height:1em;width:1em}span.emoji-inner{display:-moz-inline-box;display:inline-block;text-indent:-9999px;width:100%;height:100%;vertical-align:baseline}img.emoji{width:1em;height:1em}";

function addCss(cssString) { 
    try{
    var head = document.getElementsByTagName('head')[0]; 
    } catch(err) { return; }
	
	var newCss = document.createElement('style'); 
	newCss.type = "text/css"; 
	newCss.innerHTML = cssString; 
	head.appendChild(newCss); 
} 

addCss(css);

emoji.img_path = 'https://raw.githubusercontent.com/github/gemoji/master/images/emoji/unicode/';
emoji.sheet_path = 'https://s3.amazonaws.com/zzq/sheet_64.png';
emoji.use_sheet = true;

emoji.init_env();

window.onload = function() { 
	var elems = document.getElementsByClassName("wiki");
	for (var i = 0; i < elems.length; i++) {
		elems[i].innerHTML = emoji.replace_colons(elems[i].innerHTML);
	}
};

И че это бля за гавно