-(void)connection:(NSURLConnection *)connectionParam didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
	if([challenge previousFailureCount] == 0) {
            NSURLCredential *newCredential=[NSURLCredential credentialWithUser:@"your username" password:@"your password" persistence:NSURLCredentialPersistenceNone];
        [[challenge sender] useCredential:newCredential forAuthenticationChallenge:challenge];
    } else {
        [[challenge sender] cancelAuthenticationChallenge:challenge];
                        NSError* error = [NSError errorWithDomain:@"RequestResultHandler" code:403 userInfo: [NSDictionary dictionaryWithObjectsAndKeys: @"Could not authenticate this request", NSLocalizedDescriptionKey,nil]];
                        [self handleError:error];
    }
}