GM script: Search the catalog of SLUB for the title

Google_Books_SLUB_Search.user.js

// ==UserScript==
// @name        Google Books SLUB Search
// @namespace   gist.github.com/StefRe
// @description Search the catalog of SLUB for the title
// @include     https://books.google.de/books*
// @version     1.1
// @grant       none
// ==/UserScript==

var link = document.createElement('a');
link.innerHTML = 'SLUB';

//var title = document.head.querySelector('[property="og:title"]').getAttribute('content');
//link.href = 'http://katalogbeta.slub-dresden.de/?tx_find_find[q][title]=' + title
var title = document.title.replace(' - Google Books', '');
link.href = 'http://katalogbeta.slub-dresden.de/?tx_find_find[q][default]=' + title

document.getElementById('gb-get-book-container').appendChild(link);