tag:blogger.com,1999:blog-8811326.post-29917851997269484412008-03-05T09:28:00.000+08:002008-03-05T09:28:00.000+08:002008-03-05T09:28:00.000+08:00Anon: here's the answer:<BR/><BR/>http://hcfoo.com/2008/03/answer-to-spot-difference-2.htmlhcfoohttp://www.blogger.com/profile/03475528426044188839noreply@blogger.com