The Microsoft web site has a nice little set of samples. http://msdn.microsoft.com/workshop/author/filter/reference/reference.asp > I guess the way to reference an arbitray object named "myElementName" > like this would be something like: > > document.all.myElementName.style.filter=alpha(opacity=85) > > Neat, but real specific, and I think an IE specific filter, rather than > something in the CSS spec.