<!--JavaScript Toggle.
// Checks if menu is collapsed or expanded and then expands or collapses accordingly. 
function Toggle(which, under) {
  var visible = document.getElementById (which).style.display != "none"
  //This is the div that should be expanded or collapsed.
  var obj = document.getElementById (which)
  //This is the div that is clicked to change the plus/minus sign.
  var sub1 = document.getElementById (under)
  if(obj.style.display = "none") {
    obj.style.display = "block"
    sub1.innerHTML = "– "
  }
  if(visible) {
    obj.style.display ="none"
    sub1.innerHTML = "+ "
  }
}

// Collapses the menu completely when called.
function close() {
  divs = document.getElementsByTagName("div");
  keys = document.getElementsByTagName("span");
  for (i=0; i<divs.length; i++) 
  divs[i].style.display="none";
  for (i=0; i<keys.length; i++) 
  keys[i].innerHTML ="+ "
}

// End JavaScript. -->