I am using a very simple tooltip on my site (just text). Depending on where I am on the page, the text renders transparently or white, even though the css 'color' is set to black. See this image for an example...
http://i44.tinypic.com/idhhcz.jpg The tooltip is definitely the one shown as I can modify other css properties and they change correctly. Bear in mind that *sometimes* the tooltip displays just fine. Ugh.
