lazy var webView:WKWebView = {

        /*

         NSString *jScript = @"var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);";

         WKUserScript *wkUScript = [[WKUserScript alloc] initWithSource:jScript injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];

         WKUserContentController *wkUController = [[WKUserContentController alloc] init];

         [wkUController addUserScript:wkUScript];

         WKWebViewConfiguration *wkWebConfig = [[WKWebViewConfiguration alloc] init];

         wkWebConfig.userContentController = wkUController;

         _myWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0,CGRectGetMaxY(headerView.frame)+10, M_S.width,M_S.height - CGRectGetMaxY(headerView.frame) - 40) configuration:wkWebConfig];

         */

        let js = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta)";

        let configuration = WKWebViewConfiguration()

        let userScript = WKUserScript(source: js, injectionTime: .atDocumentEnd, forMainFrameOnly: true)

        let wkUController = WKUserContentController()

        wkUController.addUserScript(userScript)

        configuration.userContentController = wkUController;

        let wkView = WKWebView(frame: CGRect(x: 0.0, y: 64.0, width: swidth, height: sheight-64), configuration: configuration)

        wkView.navigationDelegate = self

        wkView.scrollView.delegate = self;

        return wkView;

    }()