function vendegkonyv_check() {

  ret = true;

  if (!trim(document.getElementById('name').value)) {
  
    new Effect.Highlight('name', {duration:.5, startcolor:'#f9a29f', endcolor:'#ffffff', restorecolor:'#ffffff'});
    document.getElementById('name').focus();
    ret = false;
    
  } else if (!trim(document.getElementById('message').value)) {
  
    new Effect.Highlight('message', {duration:.5, startcolor:'#f9a29f', endcolor:'#ffffff', restorecolor:'#ffffff'});
    document.getElementById('message').focus();
    ret = false;

  }
  
  return ret;

}