Dear Feroz:
thank you for your enuthunisis very much!
what you say just is what i try to do!
but it is only partly solve my question,you see ,i only have lv6.1,i
haven't much money to enhance the lv7.0,in china ,it will cost 7666
yuan to enhance the lv 6.1 to lv 7.0.
but i really thank for your help,my english is not well,welcome
you to beijing ,greatwall,you know?