This might be of interest to jQuery authors: On June 12th, Microsoft released security update MS07-033.
http://support.microsoft.com/kb/933566/ Included in this update is the following: General distribution release (GDR) fixes A memory leak occurs in Internet Explorer 6 when you view a Web page that uses JScript scripting on a Windows XP-based computer (KB929874) http://support.microsoft.com/kb/929874/