I have a question.when I open my website in ie8,Month control can not load and a error like(Done,but error on this page) in the status bar.So that I check my source code and find out ,when I set CssOnly=true .this error is happen.
This bug should be fixed now. Please see http://forums.daypilot.org/Topic.aspx/2017/bug-for-month-in-ie8