ronstuff, No relation - unless you subscribe to the hypothesis that an asteroid brought microscopic life to Earth from Mars - even then very distant relatives at best. Just like to see it when a mouse makes good! Not sure about all these mousetraps that are showing up in free stuff though! I hate stepping on those things - always seem to break a toenail on them. All, This has turned out to be an interesting discussion . . . gonna save this one. stewer, nice example!