A system, method and article of manufacture are provided for use in playing back content. Some embodiments provide a method for use in content playback by accessing an embedded object embedded within object oriented programming stored on a portable storage media where the embedded object controls playback of content, communicating a navigation command from the embedded object within the object oriented programming to the content, altering a register in response to the navigation command communicated, and controlling the playback of the content in response to the altering of the register.