function vb_archive(release) {
  var organisms = new Array();
    organisms['agambiae'] = 'Anopheles_gambiae';
  organisms['aaegypti'] = 'Aedes_aegypti';
  organisms['cpipiens'] = 'Culex_pipiens';
  var src = document.location.href;
  var orgshort = src.match(/^https?:\/\/(\w+)\./);
  orgshort = orgshort[1];
  var orglong = organisms[orgshort];

  var urlpiece = src.match(/\/Genome\/(\w*)\/?\?(.*)$/);
  var URL = "http://" + release + ".archive.ensembl.org/" + orglong + "/" + urlpiece[1].toLowerCase() + "?" + urlpiece[2];
  document.location = URL
  return true;
}