static function getInstance($front_call = null) { if (!self::$instance) { self::$instance = new banners_module_common($front_call); } return self::$instance; }
function common_call($front_call = null) { $this->_module_name = 'banners'; $this->_common_obj =& banners_module_common::getInstance(); $this->_tree =& $this->_common_obj->obj_tree; }