function show_language_selector() {
    $('#target-language-header')[0].style.display = 'none';
    $('#target-language-selector')[0].style.display = 'block';
}

function hide_language_selector() {
    $('#target-language-header')[0].style.display = 'inline';
    $('#target-language-selector')[0].style.display = 'none';
}

function change_target_language(url) {
    window.location.href = url;
}

$(document).ready(function() {
  $('#target-language').change(function() {
    change_target_language(this.options[this.selectedIndex].value);
  });
})