document.observe('dom:loaded', function(){
  $('kb-search-form-sb').observe('submit', function(e) {
    Event.stop(e);
    var search_for = $('search-query').getValue();
		location.href='http://filemaker-jp.custhelp.com/app/answers/list/kw/'+search_for;
  });
  $('search-query').observe('focus',function(){
    if($(this).getValue()=='Search Knowledge Base'){ $(this).setAttribute('value',''); }
  }).observe('blur',function(){
    $(this).setAttribute('value','Search Knowledge Base');
  })
});