They may just have let their domain name lapse. According to http://www.applegate.co.uk/textiles/...co_1211372.htm, their contact info is:

N Batley Ltd.
Woodland Mill
Dale Street
Huddersfield
HD3 4TG
West Yorkshire

Tel: 01484 427874
Fax: 01484 485420

www.tartan-fabric.co.uk

Try the telephone. If that doesn't answer your question one way or the other, look for other contact info on google.