Its probably leaking on the shaft seal, not sure which pump you have in that model, there may be a repair kit available for it, a new pump wouldn't be very expensive.
Copy & paste the following into your browser :-
http://www.ukapplianceparts.com/laundry.asp?search_fd3=Pump&search_fd4=hotpoint&multisearch_fd4=5
See if you can see a match there.
Pete
February 2007
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