http://blog.csdn.net/jim_yeejee/archive/2007/07/18/1697363.aspx
http://blog.csdn.net/chinalinuxzend/archive/2007/10/04/1811514.aspx
http://blog.csdn.net/chinalinuxzend/archive/2007/10/06/1812602.aspx
http://blog.csdn.net/jim_yeejee/archive/2007/07/18/1697363.aspx
http://blog.csdn.net/chinalinuxzend/archive/2007/10/04/1811514.aspx
http://blog.csdn.net/chinalinuxzend/archive/2007/10/06/1812602.aspx