Thank you for the bug report.
This issue was fixed for the Q1 Beta (released a couple of weeks ago) and the fix for it will also be present in the upcoming Q1 Release (expect it until the end of the week).
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!