Papers/programming friend class tomato13 2010. 2. 25. 22:36 http://kin.naver.com/qna/detail.nhn?d1id=1&dirId=1040101&docId=68330191&qb=ZnJpZW5kIGNsYXNz&enc=utf8§ion=kin&rank=4&sort=0&spq=1&pid=fGiJSg331yGsscoC6Idssv--442474&sid=S4Z7Vcc8hksAAHokHUwhttp://kin.naver.com/qna/detail.nhn?d1id=1&dirId=1040101&docId=69226150&qb=ZnJpZW5kIGNsYXNz&enc=utf8§ion=kin&rank=3&sort=0&spq=1&pid=fGiJSg331yGsscoC6Idssv--442474&sid=S4Z7Vcc8hksAAHokHUw