Google +1 userscripts

flickr-plus-one-like.user.js

// ==UserScript==
// @name            Flickr Plus One Like
// @namespace       http://mozilla.status.net/loucypher
// @description     Add Google+1 and Facebook Like buttons
// @author          LouCypher
// @license         free
// @match           *://*.flickr.com/photos/*
// @include         http://www.flickr.com/photos/*
// @include         https://secure.flickr.com/photos/*
// ==/UserScript==

var parent = $("#main > #sidebar > #photo-story") ||
             $("#main > #ViewSet > .vsDetails");

if (!parent) return;

var div = $append($create("div"), parent);
div.style.marginTop = "1em";

var gp = $append($create("g:plusone"), div);
gp.setAttribute("size", "medium");

var fbLike = $append($create("fb:like"), div);
fbLike.setAttribute("send", false);
fbLike.setAttribute("show_faces", false);
fbLike.setAttribute("layout", "button_count");
fbLike.style.verticalAlign = "top";

$append($script("//apis.google.com/js/plusone.js"), parent);
$append($script("//connect.facebook.net/en_US/all.js#xfbml=1"), parent);

function $(aSelector) {
  return document.querySelector(aSelector);
}

function $create(aElement) {
  return document.createElement(aElement);
}

function $append(aNode, aParent) {
  return aParent.appendChild(aNode);
}

function $script(aSource, aSync) {
  var script = $create("script");
  script.setAttribute("async", aSync ? false : true);
  script.type = "text/javascript";
  script.src = aSource;
  return script;
}

gist.github.user.js

// ==UserScript==
// @name            github:gist+1
// @namespace       http://mozilla.status.net/loucypher
// @description     Add Google +1 button on gist.github.com
// @version         0.2.20120321.01
// @author          LouCypher
// @license         free
// @icon            http://i.imgur.com/vFoYD.png
// @include         https://gist.github.com/*
// ==/UserScript==

var path = document.querySelector("#repos .title > .path");
if (!path) return;

var div = path.parentNode.insertBefore(document.createElement("div"), path.nextSibling);
div.style.cssFloat = "left";
div.style.margin = ".5em 0 0 1em";

var gp = div.appendChild(document.createElement("g:plusone"));
gp.setAttribute("size", "small");
gp.setAttribute("annotation", "bubble");

var script = document.createElement("script");
script.setAttribute("async", true);
script.type = "text/javascript";
script.src = "//apis.google.com/js/plusone.js";

gp.parentNode.appendChild(script);

github.user.js

// ==UserScript==
// @name            github+1
// @namespace       http://mozilla.status.net/loucypher
// @description     Add Google +1 button on github
// @version         0.2.20120321.01
// @author          LouCypher
// @license         free
// @icon            http://i.imgur.com/vFoYD.png
// @include         https://github.com/*
// ==/UserScript==

var uList = document.querySelector(".site ul.pagehead-actions");
if (!uList) return;

var list = uList.appendChild(document.createElement("li"));
list.style.verticalAlign = "-5px";

var gp = list.appendChild(document.createElement("g:plusone"));
gp.setAttribute("size", "medium");
gp.setAttribute("annotation", "bubble");

var script = document.createElement("script");
script.setAttribute("async", true);
script.type = "text/javascript";
script.src = "//apis.google.com/js/plusone.js";

gp.parentNode.appendChild(script);

mdn.user.js

// ==UserScript==
// @name            MDN+1
// @namespace       http://mozilla.status.net/loucypher
// @description     Added Google+1 button on MDN articles
// @icon            http://i.imgur.com/5SesG.png
// @author          LouCypher
// @license         free
// @include         https://developer.mozilla.org/*
// @exclude         https://developer.mozilla.org/Talk:*
// @exclude         https://developer.mozilla.org/*action=*
// ==/UserScript==

var uList = document.querySelector("#page-buttons");
if (!uList) return;

var list = uList.insertBefore(document.createElement("li"), uList.firstChild);
list.style.marginTop = "3px";

var gp = list.appendChild(document.createElement("g:plusone"));

var script = document.createElement("script");
script.setAttribute("async", true);
script.type = "text/javascript";
script.src = "https://apis.google.com/js/plusone.js";

gp.parentNode.appendChild(script);

good