function expand(s){
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  td.className = "menuHover";
  d.className = "menuHover";
}

function collapse(s){
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  td.className = "menuNormal";
  d.className = "menuNormal";
}

function showStuff(id) {
	document.getElementById(id).style.display = 'block';
}
function hideStuff(id) {
	document.getElementById(id).style.display = 'none';
}