var userDetail = new Object();
userDetail.userName = 'null';
userDetail.sid = 'null';
userDetail.isRegister = false;
userDetail.ip = 'null';
userDetail.userDigest = 'null';

userDetail.destory = function() {
this.userName = '';
this.sid = '';
this.isRegister = false;
this.ip = '';
this.userDigest = '';
}
myAppInfo = userDetail;