高报酬解析一个网站get时生成的一个值,估计是调用了JS

http://www.nexon.net/account/finish-registration/?verificationCode=niF2cruRGGO1F1VCot5VnZV/hInLo%2BjPr3DBz77MnQoGgCmdc%2B/LHZE4Ts3187anBlbvdtKabFGGQcSx1DdMeOFZEJnZT9K5Gxb2%2BRjuqig%3D&email=daisymyyr%40hotmail.co.jp&serviceCode=
这个网站在get时, 生成一个blackbox值, 这个值不知道调用了什么生成.
GET /api/v001/account/registration/complete?verificationCode=qeAnIgVbjmtcszbvWCkR3qggOz2F3QEnzcVngfOEaTGo/OSpDMlX/Ok7yWnNgSHPgkLIZPUHCbkoUvzV2pliqRDOobHxuBmt&callback=jQuery16205832350548351113_1353819216531&password=a123456789&blackbox=0400iKpbfqLEmU0Nf94lis1ztjCJo7hoAkIjLdEckpON%2FmdMVJS7X2j8T5IuT%2FCcBQFz%2FgeiwUzxtLpXgrt8lj%2Fk95Ajoceyz37TDIKINVrQrNLcRehbfBGuVwB7Zazj3KJbJHnz6c7uiFUNczN14q3lywh3sf2PehRXI7QU6PMm1l7xwUJvdekrQjmYH7238d1UhH63W0JS9ElrE%2BpqTAgeqxatzkWpnWI7CIuvHu9%2Fhkkf83QPTIFcyMW%2BtvQamH4H6k9y2HePj0XEnilYLBSA8ElIjURCTIi2okGTQDaZp3JlEeXyzBwODMbZ0ULRY1eqSbwYuTPd5ds70klu8C0hvdvxHNZ3NkrhlWkd%2FUdSrSW%2F146%2BzK9MFU6vwx4WKAx3xS9GTGQ%2FPXGUReO78f8dn8Cq9DH%2FqIFmftgsqOIsWIqOhuBcrBcmwUmyF%2BYF2tS%2BYg8CuMOt5MLq4WCiHMbq2A9mPiuB3hzliJJ6BtiIsgBLMrPrMVvJluZAtgVPVvW%2BToozyiC8kCE2wynUM3717wpKzgpVgoHiNIUx4XmLm1457RHFZltZDIqMBFcLohZ5CIuvHu9%2FhklJ7TMAwER7legofdYB7Nk5BrN22keBDswstDDhGcf4u7b2959p22PittmD6prkqFhDOn7Yp09VBV1tEyDl28RFDqURwpqbACZka1c7rBNApDycnhYFz52ZUdy2CLgtpBBTVlUKBkfND1izSnVeRXSinsVeIf308C1GASpJ6ETmLaBKmymaGLi8U6SaO1QAhiv4YsxA5VjoCe1xUtIx%2FAeW&news_letter_join=true&dob=2/17/1971&recaptcha_challenge_field=03AHJ_Vuv2_0whmLYJfkyO1DAVc2vh5ORUMpItSpfR4ooCxcvPTShmD2VqIMQ7chABk__pgVzp71EevlGlcii0jfSYK9a3Eb41juVMxP4qSi9oIuY0is8AE5t5lOhylczSeaBcJ364Na_x-2FIGCw5PmE1oklUd8_nUs9wuvA3hvqPAXS99LagLFs&recaptcha_response_field=heseopppeople&[email protected]&_=1353819275525
能分析出怎么生成的, 高工资, 详细谈.,