// JavaScript Document
function combo1() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1a() {
  document.all.contents1.style.display="block";
  document.all.contents1a.className= 'selected';
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1aHide() {
  document.all.contents1.style.display="block";
  document.all.contents1a.className= 'dropdown1';
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1b() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.className= 'selected';
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1bHide() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.className= 'dropdown1';
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1c() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.className= 'selected';
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1cHide() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.className= 'dropdown1';
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1d() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.className= 'selected';
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo1dHide() {
  document.all.contents1.style.display="block";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.className= 'dropdown1';
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}

function combo2() {
  document.all.contents1.style.display="none";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="block";
  document.all.contents3.style.display="none";
}

function combo3() {
  document.all.contents1.style.display="none";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="block";
}

function combo4() {
  document.all.contents1.style.display="none";
  document.all.contents1a.style.display="none";
  document.all.contents1b.style.display="none";
  document.all.contents1c.style.display="none";
  document.all.contents1d.style.display="none";
  document.all.contents2.style.display="none";
  document.all.contents3.style.display="none";
}