There's also a known bug in this area too, which is fixed in the up-coming 4.0.6:
http://issues.bestpractical.com/Ticket/Display.html?id=19567 Tim -- The Wellcome Trust Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE.
