static function addInstance($object){
		$name = str_replace(DS,'.',get_class($object));
		self::$instance[$name] = $object;
	}
static function addInstance($object){
		$name = str_replace(DS,'.',get_class($object));
		self::$instance[$name] = $object;
	}
static function addInstance ( $ object ) { $ name = str_replace ( DS , '.' , get_class ( $ object ) ) ; self :: $ instance [ $ name ] = $ object ; }
add push instance class

@param object class
@return void
add push instance class