hm chao cac ban. Minh cung choi GB co chut kinh nghiem muon chia se voi cac ban. nick GB Vn la shashou83 ban nao muon lam ban thi add nick nhé.
duoi day la cach tiet kiem DELAY cua minh. Don gian hon iDemon nhung mat 2 to giay lien. :)) ban nao muon su dung thi print ra nhe'.
Ban nao co cau...
