jsp解码问题
var   on   =   '\%C1\%DC\%E8\%E4\%AAi\%5Eabb\%60_aa__gkc_fic\%A7\%ED\%D6\%CF\%E6\%ED\%D6\%CF\%9Dq\%B7\%CE\%BA\%D0\%B3\%A5\%D0\%BB\%B5\%CA\%CF\%CD\%B3\%BC\%C9\%CF\%D9\%C0\%B4\%A1\%B7\%CE\%BA\%D0\%C2\%BB\%DD\%E4\%D1\%D7\%E9\%DD\%D7\%D5\%98\%60\%96\%C8\%CE\%D2\%9Cf\%9C\%DB\%DA\%E5\%E1\%E2\%AAggdb\%A1\%EA\%DD ';
eval(unescape( "on%3Duncompile%28unescape%28on%29%29%3B "));

------解决方案--------------------
可以参考
http://www.williamlong.info/archives/242.html