/*
  * Some really simple javascript to hide and show subnavs
  *
  */
  
  current = "default";
  
  function show(item) {
    var c = document.getElementById(current);
    current = item;
    if(c) c.style.display = "none";
    var n = document.getElementById(item);
    if(n) n.style.display = "block";
  }
  
  document.onload = function() {show(current);}
  
  // Show the default