function show(d) {
  document.getElementById('bio').style.display = "none";
  document.getElementById('research').style.display = "none";
  document.getElementById('publications').style.display = "none";
  document.getElementById('awards').style.display = "none";
  document.getElementById('highlights').style.display = "none";
  document.getElementById('biotab').style.visibility = "hidden";
  document.getElementById('restab').style.visibility = "hidden";
  document.getElementById('pubtab').style.visibility = "hidden";
  document.getElementById('awatab').style.visibility = "hidden";
  document.getElementById('hightab').style.visibility = "hidden";
  switch (d)
  {
  case "bio": e="biotab"; break;
  case "research": e="restab"; break;
  case "publications": e="pubtab"; break;
  case "awards": e="awatab"; break;
  case "highlights": e="hightab"; break;
  default: e="restab";
  }
  document.getElementById(d).style.display = "block";
  document.getElementById(e).style.visibility = "visible";
}