var $rd_zls; // zlibstream object handle if compressed stream, else FALSE
var $rd_transp; // class that define stream encapsulation type (iframe, xhr, ...)
var $rd_is_chunked; // is the transport chunked or not ?
var $rd_zls; // zlibstream object handle if compressed stream, else FALSE
var $rd_transp; // class that define stream encapsulation type (iframe, xhr, ...)
var $rd_is_chunked; // is the transport chunked or not ?