IE6

http://wdlu.net/1/ I think the sizes are all right but in IE6 the sidebar is to wide or the other DIV's are too wide so the side bar is displaying underneath the main DIV.
My CSS is at http://wdlu.net/1/css/style.css

If I have understood a problem. Try to write separate style for IE6, having introduced in web page a script of definition of type of a browser and depending on what browser have opened a page - certain style has been involved.

It was some padding issues, got it sorted.