function gotoDiv() {
  var url = location.href;
  var start = url.indexOf('?')+1;
  if (start == 0) {
    var div = 'me'; }
  else {
    var div = url.substring(start);
    document.title = 'MXH178 - '+div;
    document.getElementById('icon_'+div).src = "img/icon_"+div+".jpg"; }
  document.getElementById(div).style.display = 'block';
}
function toggleDiv(divid) {
  if(document.getElementById(divid).style.display == 'none') {
    document.getElementById(divid).style.display = 'block';
  }
  else {
    document.getElementById(divid).style.display = 'none';
  }
}
function randomLetter() {
  var alph = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; //I was very impressed with myself when I came up with this
  var letter1 = alph.charAt(Math.floor(Math.random()*26));
  var letter2 = alph.charAt(Math.floor(Math.random()*26));
  var letter3 = alph.charAt(Math.floor(Math.random()*26));
  document.getElementById('helv1').src = "img/icons/"+letter1+"-64.png";
  document.getElementById('helv1').alt = letter1;
  document.getElementById('helv2').src = "img/icons/"+letter2+"-64.png";
  document.getElementById('helv2').alt = letter2;
  document.getElementById('helv3').src = "img/icons/"+letter3+"-64.png";
  document.getElementById('helv3').alt = letter3;
}
function hideshow(divid) {
  if(document.getElementById(divid).innerHTML == 'show') {
    document.getElementById(divid).innerHTML = 'hide';
  }
  else {
    document.getElementById(divid).innerHTML = 'show';
  }
}
function toggleCase() {
      if (document.getElementById('caselink').innerHTML=="Case") {
        document.getElementById('caselink').innerHTML="Case Western"; }
      else {
        if (document.getElementById('caselink').innerHTML=="Case Western") {
          document.getElementById('caselink').innerHTML="Case Western Reserve"; }
        else {
          if (document.getElementById('caselink').innerHTML=="Case Western Reserve") {
            document.getElementById('caselink').innerHTML="Case Western Reserve University";
            document.getElementById('caselink').href="http://www.case.edu"; } } } 
}
function swapin(name, word2, word1) {
  if(document.getElementById(name).innerHTML == word1) {
    document.getElementById(name).innerHTML = word2;
  }
  if(document.getElementById(name).innerHTML == word2) {
    document.getElementById(name).innerHTML = word1;
  }
}
function swapout(name, word1, word2) {
  if(document.getElementById(name).innerHTML == word1) {
    document.getElementById(name).innerHTML = word2;
  }
  if(document.getElementById(name).innerHTML == word2) {
    document.getElementById(name).innerHTML = word1;
  }
}