Tinymce apperance code to exclude the webform textarea's

if (arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == 'edit') { 
  $type = db_result(db_query("SELECT type FROM {node} WHERE nid = %d",arg(1))); 
  if ($type == 'webform') { 
    return false; 
  } 
  else {   
    return true; 
  } 
} 
if (arg(0) == 'user' || arg(0) == 'comment') { 
  return true; 
} 
return false;