Source for "Userscripts.org underline userpage link"

By Daniel Dawson
Has 3 other scripts. 

// ==UserScript==
// @name           Userscripts.org underline userpage link
// @namespace      http://www.icehouse.net/ddawson/
// @description    Underlines the link to your userpage on us.o to avoid confusion.
// @include        http://userscripts.org/*
// ==/UserScript==

(function () {
  var link = document.evaluate(
    '//*[@id="header"]/ul/li[@class="login"]/a', document, null,
    XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
  if (link) link.style.textDecoration = 'underline';
})();