Universal "find at my library" bookmarklet for journal articles

bookmarklet.js

var url = 'http://something.youruniversity.edu/foo/bar';
var doi;

var suffixes = {
  "pmid": "?sid=Entrez:PubMed&id=pmid:",
  "doi": "?sid=Entrez:DOI&id=doi:"
};

var re = /^[0-9]{5,15}/;
var found = jQuery(jQuery(".rprtid dd")[0]).text().match(re);
if(found != null) {
  location.href = url + suffixes["pmid"] +found[0];
}
else {
  // Try to find DOI link
  var dois = jQuery.grep(jQuery("a").map(function() {return this.href;}), function(n, i) { return n.indexOf("dx.doi.org") !== -1;});
  if(dois && dois.length > 0) {
    doi = dois[0].replace(/.*dx.doi.org\//, "");
    location.href = url + suffixes["doi"] + doi;
  }
  else {
    // try to find DOI text
    // Add spaces between all elements so `text()` will work properly
    jQuery( "*" ).each(function( index ) {
       jQuery( this ).append(" ");
    });
    var match = /doi\s*:?\s*(10\.[0-9]+\/[a-z0-9\.]*)/gi.exec(jQuery("body").text());
    if(match && match.length > 1) {
      doi = match[1];
      location.href = url + suffixes["doi"] + doi;
    }
    else {
      alert("Neither PubMed ID nor DOI link found.");
    }
  }
}