function showLangSelection(f) {
  /*if(f=='lang')document.getElementById("language_selection").className = 'language_selection_show';
  if(f=='country')document.getElementById("country_selection").className = 'country_selection_show';*/
  if(f=='lang')document.getElementById("language_selection").style.display = 'block';
  if(f=='country')document.getElementById("country_selection").style.display = 'block';
}

function hideLangSelection(f) {
 /* if(f=='lang')document.getElementById("language_selection").className = 'language_selection_hide';
  if(f=='country')document.getElementById("country_selection").className = 'country_selection_hide';*/
  if(f=='lang')document.getElementById("language_selection").style.display = 'none';
  if(f=='country')document.getElementById("country_selection").style.display = 'none';
}