Hello Apostol,
Have you noticed the first comment left by Veskoni at the bottom of the blog post you pointed out? The issue should no longer be present in case you use the Q1 2010 SP1 release of the AJAX suite or later.
Kind regards,
Sebastian
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the
Telerik Public Issue Tracking system and vote to affect the priority of the items