Very interesting.  Thank you. <br><br>It worked swell.<br><br clear="all">Alan  <br><br>You can know the name of a bird in all the languages of the world,  but when you&#39;re finished, you&#39;ll know absolutely nothing whatever about the bird... So let&#39;s look at the bird and see what it&#39;s doing---that&#39;s what counts.<br>


<br>    ----Richard Feynman<br>        <br>