这段是什么意思啊？？？？？？？？？？

 if not isEmpty(password) and password<>""  then
         if userObj.load(userName)=false then
             info = "用戶名不存在"
             'response.redirect "/loginform_noBlog.asp"
         else
             if SUPPORT_MD5_16BITS and len(userObj.password)=16 and len(password)=32 then
                 password=mid(password,9,16)
                 autopassword=mid(autopassword,9,16)