function updateKeywords() {

  new Ajax.Updater('keyword','/about-soi/update-keywords.php', {
    enconding: 'iso-8859-1',
    method: 'get',
    parameters: 'type=' + $F('type')
  });
  
}

function updateKeywords2() {

  new Ajax.Updater('keyword2','/about-soi/update-keywords.php', {
    enconding: 'iso-8859-1',
    method: 'get',
    parameters: 'type=' + $F('type2')
  });

}