function connectWebViewJavascriptBridge(callback) {
        if (window.WebViewJavascriptBridge) {
            callback(WebViewJavascriptBridge)
        } else {
            document.addEventListener(
                'WebViewJavascriptBridgeReady'
                , function() {
                    callback(WebViewJavascriptBridge)
                },
                false
            );
        }
    }
    connectWebViewJavascriptBridge(function(bridge) {
        bridge.init(function(message, responseCallback) {
            var sgf = new String(message);

             GoBoardApi.Load_Sgf(oGameTree, sgf);
             GoBoardApi.Update_Size(oGameTree);
                 window.onresize = function () {
                     GoBoardApi.Update_Size(oGameTree);
                 };
             document.title = GoBoardApi.Get_MatchName(oGameTree);
        });