Why are you supporting Internet Explorer 6? It is a nine-year-old browser that is being used less and less every day. Youtube dropped support for IE6.
If Youtube, one of the biggest websites on the internet, decides that IE6 support is a waste of time and resources, you may want to consider that yourself. The only reason people continue to use IE6 is because they are too lazy to upgrade to a more modern browser, of which there are plenty of free and some light-weight alternatives to choose from. If webmasters dropped support for IE6, web browsers would upgrade. It's as simple as that.
Digg is interested in blocking IE6 users from certain activities, Facebook has been prompting IE6 users to swap out their browsers since February 2009, and even YouTube is rumored to soon stop supporting the browser and instead encourage users to upgrade to Chrome, IE8, or Firefox 3.5.
It's up to the Web as a whole and its citizens to persuade IE6 users to make the transition to a new version, or to a third-party browser.
Let IE6 die the death it should have died years ago! In fact, that piece of garbage should have never been born.