analyze mesh bookmarklet.js

javascript: (function(e, a, g, h, f, c, b, d) {
    if (!(f = e.jQuery) || g > f.fn.jquery || h(f)) {
        c = a.createElement("script");
        c.type = "text/javascript";
        c.src = "//ajax.googleapis.com/ajax/libs/jquery/" + g + "/jquery.min.js";
        c.onload = c.onreadystatechange = function() {
            if (!b && (!(d = this.readyState) || d == "loaded" || d == "complete")) {
                h((f = e.jQuery).noConflict(1), b = 1);
                f(c).remove()
            }
        };
        a.documentElement.childNodes[0].appendChild(c)
    }
})(window, document, "1.3.2", function($, L) {
    var pmids;
    "ovidsp.tx.ovid.com" == document.domain || "www.ncbi.nlm.nih.gov" == document.domain ? ("ovidsp.tx.ovid.com" == document.domain ? pmids = $("td.titles-checkbox input:checked").parent().next().find("div.article-ui").map(function() {
        return $(this).text().match(/([0-9]+)/)[0]
    }).get().join(",") : "www.ncbi.nlm.nih.gov" == document.domain && (pmids = $("div.rprtnum input:checked").map(function() {
        return this.value
    }).get().join(",")), "" != pmids ? window.location.href = "http://mesh.med.yale.edu/grid/" + pmids : alert("Hmm, looks like you didn't select any records, or did you?")) : alert("Hmm, looks like you are not on a PubMed or Ovid MEDLINE page, or are you?");
});