/**
  * Returns all the column names of this table
  *
  * @return array
  */
 static function &fields()
 {
     if (!self::$_fields) {
         self::$_fields = array('id' => array('name' => 'id', 'type' => CRM_Utils_Type::T_INT, 'description' => 'Unique Header ID', 'required' => true), 'simplemail_header_label' => array('name' => 'label', 'type' => CRM_Utils_Type::T_STRING, 'title' => ts('Name'), 'description' => 'Label for the header image', 'required' => true, 'maxlength' => 64, 'size' => CRM_Utils_Type::BIG), 'image' => array('name' => 'image', 'type' => CRM_Utils_Type::T_STRING, 'title' => ts('Image'), 'description' => 'Header image', 'required' => true, 'maxlength' => 255, 'size' => CRM_Utils_Type::HUGE), 'show_logo' => array('name' => 'show_logo', 'type' => CRM_Utils_Type::T_BOOLEAN, 'title' => ts('Show Logo')), 'logo_image' => array('name' => 'logo_image', 'type' => CRM_Utils_Type::T_STRING, 'title' => ts('Logo Image'), 'description' => 'Logo image', 'maxlength' => 255, 'size' => CRM_Utils_Type::HUGE));
     }
     return self::$_fields;
 }