We tested the behavior locally with FF 3.6.15, Google Chrome 10 and Opera 11, but couldn't reproduce the problem.
Please find below a video as part of our local tests:
What might be the difference in your case?
Are we missing something?
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!