jim said:

Not sure what part of the elephant you've grabbed hold of, but if you looked at the example in question it would be obvious that your answer isn't.

do you really think i'm going to let myself get wrestled into having a discussion with the blind men about the elephant? if so, think again. i said as much as i can in support of you -- you're half-right. so is lee... if you want to figure out the specifics from there, you're welcome to do so. but you'll be doing that without me. -bowerbird