jQuery: add temporary workaround to make it work with IE9 (see http://bugs.jquery.com/ticket/8052).
jQuery: add temporary workaround to make it work with IE9 (see http://bugs.jquery.com/ticket/8052).

git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@10530 af82e41b-90c4-0310-8c96-b1721e28e2e2

dafrito/trac-mirror,dafrito/trac-mirror,dafrito/trac-mirror,dafrito/trac-mirror