ting the operation of the method of the present invention; [0014]FIGS. 3a and 3 b are a state table and state diagram, respectively, illustrating the operation of the method of the present invention; [0015]FIGS. 4a and 4 b are a state table and state diagram, respectively, illustrating the operation of the method of the present invention; [0016]FIGS. 5a and 5 b are a state table and state diagram,