<tip type="testing"> Handy bookmarklet available that shows divs and spans by adding borders to them. There are nice variations down the page, including one that prompts for the element you want to highlight, and the color you want to use to highlight it: http://www.web-graphics.com/mtarchive/000300.php#000300 Of course, since so many sites use tables for layout, the original bookmarklet lifesaver that shows table borders can be found at sam-i-am's site: http://www.sam-i-am.com/work/bookmarklets/dev_debugging.html And how could you forget the original site: http://bookmarklets.com/ </tip>