Anne, sorry but edit time ran out - did find this reference in 'page source' but not sure where to find that in the .css files ?

<td id="navColumnTwo" class="columnRight" style="width: 150px">
<div id="navColumnTwoWrapper" style="width: 150px"><!--// bof: bannerbox //-->
<div class="rightBoxContainer" id="bannerbox" style="width: 150px">
<h3 class="rightBoxHeading" id="bannerboxHeading">Sponsors</h3>
<div id="bannerboxContent" class="sideBoxContent centeredContent"><a href="http://treeoflifejewellery.com/index.php?main_page=redirect&amp;action=banner&amp;goto=3" target="_blank"><img src="images/banners/jewelrystand.jpg" alt="Gift Idea" title=" Gift Idea " width="150" height="169" /></a></div></div>
<!--// eof: bannerbox //-->