This application contains subject matter similar to that disclosed in U.S. application Ser. No. 11/121,253, which was filed May 3, 2005, and is hereby incorporated by reference in its entirety.
The broken lines in the figures show structure or boundaries that are not part of the claimed design, but rather show the environment in which the design is associated, or show portions of the article in which the design is embodied or applied to that are not considered part of the claimed design. The vertical shading lines indicate opaque surfaces, and the oblique shading lines indicate contrasting transparent or translucent surfaces.