Television programs are represented by program interface objects within an interactive television system. In one embodiment, methods and devices are provided for moving an end effector on a distal end of a surgical fastening device. The webpage development framework defines at least one webpage attribute using at least one value-binding expression in the script component, wherein the at least one value-binding expression provides access to a server-side data model. Paired compression rolls are used to form the first and second compressed lines, and at least one roll constituting the paired compression rolls is formed on a peripheral surface thereof with compressing units projecting from the peripheral surface. The control module also comprises a current measurement circuit AMP for measuring the current that flows between the second pole of the second switch SW2 and the neutralization terminal N.