Dear Emily, I feel even sorrier that you feel the need to apologize! If you produced something that provides a reasonable response to a reasonable inquiry that has to do with the field, then post it. gg -- Genevra Gerhart http://www.wolfe.net/~ggerhart/ 2134 E. Interlaken Bl. Tel. 206/329-0053 Seattle, WA 98112 ggerhart at wolfenet.com