var web2 : UIWebView?
    var connection : NSURLConnection?
    var webRequest : NSURLRequest?
    var isDone = Bool ()

  func loadWeb2 (){

        let webURL = NSURL(string: "private Site")
        self.webRequest = NSURLRequest(URL: webURL!)

        web2 = UIWebView(frame: CGRectMake(0,0, UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height-10))
        loadmyWebview = UIView(frame: CGRectMake(0,0, UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height-10))
        loadmyWebview.backgroundColor = UIColor.whiteColor()
        self.view.addSubview(web2!)
        self.view.addSubview(loadmyWebview!)
        web2!.delegate = self
        web2?.scalesPageToFit = true
        web2!.loadRequest(webRequest!)
        web2!.scrollView.delegate = self;

    }

func webView(webView: UIWebView, didFailLoadWithError error: NSError?)
{
    print("=========== ERROR HAPPENED================")
    print(error)
}

func webView(webView: UIWebView, shouldStartLoadWithRequest request: NSURLRequest, navigationType: UIWebViewNavigationType) -> Bool
{

    if(!isDone){
     isDone = false

        connection = NSURLConnection(request: webRequest!, delegate: self)
        connection?.start()
        print("request for webview got authintication challenge")
        return false
    }

    print("NOOOOO authintication challenge")

    return true
}

func connection(connection: NSURLConnection, didReceiveAuthenticationChallenge challenge: NSURLAuthenticationChallenge){
    if challenge.previousFailureCount == 0 {

        isDone = true
        let credential = NSURLCredential(user:"********", password:"*********", persistence: .Permanent)


        challenge.sender?.useCredential(credential, forAuthenticationChallenge: challenge)
        print("IS DONNNNNNE IS TRUE  ")

    }
    else {
        challenge.sender?.cancelAuthenticationChallenge(challenge)
        print("ELSSSSSSE IS DONNNNNNE  ")
    }

}

func connection(connection: NSURLConnection, didReceiveResponse response: NSURLResponse){
    print("Authintication is DONe Load Webvieew Again")
    isDone = true
    web2!.loadRequest(webRequest!)
    connection.cancel()
}

func connection(connection: NSURLConnection, canAuthenticateAgainstProtectionSpace protectionSpace: NSURLProtectionSpace) -> Bool{


    print("accept untrustd site  ")
    return true
}