scopus-doi-linker.user.js

// ==UserScript==
// @id             scopus-doi-linker
// @name           Scopus DOI Linker
// @version        1.0
// @namespace      pfenninger.org
// @author         Stefan Pfenninger
// @description    Adds hyperlinks to DOIs on Scopus preview pages
// @homepage       http://pfenninger.org/
// @match          http://www.scopus.com/*
// @match          http://*.scopus.com/*
// @match          https://www.scopus.com/*
// @match          https://*.scopus.com/*
// @require        http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js
// @grant          none
// ==/UserScript==

// Smart jQuery loading modified from this example:
// http://stackoverflow.com/a/12751531/397746

function GM_main ($) {
    var target_element = $("strong:contains('DOI:')");
    var doi_text = target_element.parent().text().replace("DOI: ", "");
    var link_text = '<strong><a href="http://dx.doi.org/'
                    + doi_text + '"> DOI: ' + doi_text + '</a></strong>';
    target_element.parent().html(link_text);
}

if (typeof jQuery === "function") {
    // Run with a local copy of jQuery
    GM_main (jQuery);
}
else {
    // Fetch jQuery 1.x from Google APIs
    add_jQuery (GM_main, "1");
}

function add_jQuery (callbackFn, jqVersion) {
    var jqVersion   = jqVersion;
    var D           = document;
    var targ        = D.getElementsByTagName ('head')[0] || D.body || D.documentElement;
    var scriptNode  = D.createElement ('script');
    scriptNode.src  = 'http://ajax.googleapis.com/ajax/libs/jquery/'
                    + jqVersion
                    + '/jquery.min.js'
                    ;
    scriptNode.addEventListener ("load", function () {
        var scriptNode          = D.createElement ("script");
        scriptNode.textContent  =
            'var gm_jQuery  = jQuery.noConflict (true);\n'
            + '(' + callbackFn.toString () + ')(gm_jQuery);'
        ;
        targ.appendChild (scriptNode);
    }, false);
    targ.appendChild (scriptNode);
}