Hi George

>Maybe it's a blind spot of mine. Most of my work is in a "heads down" evironment.

Been there, done that. Still, we can design systems that can allow one process to be put on hold - like a telephone's hold button, and enable/disable this feature, rather than not building it in at all, right?

>
>BTW, love the sig block.

It's very interesting. There's much that can be derived from it.