/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'label' => 'simplemail_header_label', 'image' => 'image', 'show_logo' => 'show_logo', 'logo_image' => 'logo_image');
}
return self::$_fieldKeys;
}
