http://bugs.winehq.org/show_bug.cgi?id=9304
--- Comment #18 from Jacek Caban jacek@codeweavers.com 2009-12-27 11:01:01 --- Created an attachment (id=25419) --> (http://bugs.winehq.org/attachment.cgi?id=25419) ALways use jscript.dll for JavaScript.
The attached patch may help (although it has bad effects on other apps).