function geo_ignore_at() {
  document.getElementById('geo_main').style.visibility='hidden';
  document.getElementById('geo_content_ch').style.visibility='hidden';
  document.getElementById('geo_content_de').style.visibility='hidden';
}

function geo_ignore_ch() {
  document.getElementById('geo_main').style.visibility='hidden';
  document.getElementById('geo_content_at').style.visibility='hidden';
  document.getElementById('geo_content_de').style.visibility='hidden';
}

function geo_ignore_de() {
  document.getElementById('geo_main').style.visibility='hidden';
  document.getElementById('geo_content_ch').style.visibility='hidden';
  document.getElementById('geo_content_at').style.visibility='hidden';
}