function start() {
  document.getElementById('employment_main').style.display = "none";
  document.getElementById('employment_algona').style.display = "none";
  document.getElementById('employment_auburn').style.display = "none";
  document.getElementById('employment_bellevue').style.display = "none";
  document.getElementById('employment_algonaauburn').style.display = "none";
  document.getElementById('employment_bothell').style.display = "none";
  document.getElementById('employment_tulsa').style.display = "none";
  document.getElementById('employment_woodinville').style.display = "none";
  document.getElementById('employment_wichita').style.display = "none";
  document.getElementById('employment_farn').style.display = "none";
  document.getElementById('employment_benefits').style.display = "none";
  document.getElementById('employment_benefitseu').style.display = "none";
  document.getElementById('employment_new').style.display = "none";
  document.getElementById('employment_user').style.display = "none";
}

function show(src) {
  start();
  document.getElementById('employment_'+src).style.display = "block";
}