js跨域了、
只能给几个资料参考了：
http://blog.csdn.net/lovingprince/article/details/2954675
http://www.kuqin.com/webpagedesign/20090422/47458.html
http://www.nowamagic.net/ajax/ajax_KonwHowToCrossDomain.php
http://www.cnblogs.com/Gaton/archive/2009/12/01/1614364.html