var credits = [
{'cid':1,'credit':'万事达（Master）'},{'cid':2,'credit':'威士（VISA）'},{'cid':3,'credit':'运通（AMEX）'},{'cid':4,'credit':'大来（Diners Club）'},
{'cid':5,'credit':'JCB卡'},{'cid':6,'credit':'国内发行银联卡'}
];