load and save cookies

- (void)saveCookies{

NSData *cookiesData = [NSKeyedArchiver archivedDataWithRootObject: [[NSHTTPCookieStorage
sharedHTTPCookieStorage] cookies]];

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

[defaults setObject: cookiesData forKey: @"sessionCookies"];

[defaults synchronize];

}

- (void)loadCookies{

NSArray *cookies = [NSKeyedUnarchiver unarchiveObjectWithData: [[NSUserDefaults standardUserDefaults]
objectForKey: @"sessionCookies"]];

NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

for (NSHTTPCookie *cookie in cookies){

[cookieStorage setCookie: cookie];

}

}