Select a language from a list of languages in a drop-down box

select_spanish.html

<script type="text/javascript">
  // Change the field name as needed.  Remember to use the 
  // API name for custom fields!
  //
  var fieldName = 'language';
  // Change thelanguage as needed.
  //
  var language = 'Spanish';
  // No user-serviceable parts past here.
  //
  $(document).ready(function() {
    var lang = $('*[name=' + fieldName + ']');
    if (lang.length > 0) {
      lang.val(language);
      lang.parent().parent().hide();
    }
  })
</script>