// 페이스북 로그인
    window.fbAsyncInit = function() {
        FB.init({
            appId      : '1583025611765505',
            cookie     : true,
            xfbml      : true,
            version    : 'v2.12'
        });
    };

    $('#facebookBtn').on('click', function(e) {
        e.preventDefault();
        FB.login(function(response) {
            FB.api('/me', {fields: 'name,email'}, function(user) {
                var param = {};
                param[token_name] = token_hash;
                param['sns'] = 'facebook';
                param['snsid'] = user.id;
                param['name'] = user.name;
                param['email'] = user.email;
                param['picture'] = 'https://graph.facebook.com/' + user.id + '/picture?type=large';
                param['redirect'] = 'eNortjK3tFLSTyotzsxLLS5GMMoyU8v1SxKTclIzU_Tz8ksyk1P1gSxjYxNLCwP9Qv1Uv_yikixvo9AyLwOXHPdKp5zycpd8R-fU9Lo6JWtcMDpuHiA~';

                $.post('/search/search/sns_do_login', param, function (redirect) {
                    location.replace(redirect);
                });
            });
        }, {scope: 'email'});
    });

    (function(d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0];
        if (d.getElementById(id)) return;
        js = d.createElement(s); js.id = id;
        js.src = "//connect.facebook.net/ko_KR/sdk.js";
        fjs.parentNode.insertBefore(js, fjs);
    }(document, 'script', 'facebook-jssdk'));

    // 구글+ 로그인
    $('#googleBtn').on('click', function(e) {
        e.preventDefault();
        gapi.signin.render('googleBtn', {
            'callback': 'signinCallback',
            'clientid': '1005521155941-cpditp9ci2891msd7c5brii808e12u3o.apps.googleusercontent.com',
            'cookiepolicy': 'single_host_origin',
            'requestvisibleactions': 'http://schemas.google.com/AddActivity',
            'scope': 'https://www.googleapis.com/auth/plus.login https://www.googleapis.com/auth/plus.me https://www.googleapis.com/auth/userinfo.email'
        });
    });

    function signinCallback(authResult) {
        if (authResult['access_token']) {
            gapi.auth.setToken(authResult);
            gapi.client.load('oauth2', 'v2', function() {
                var request = gapi.client.oauth2.userinfo.get();
                request.execute(function (resp) {
                    var param = {};
                    param[token_name] = token_hash;
                    param['sns'] = 'google';
                    param['snsid'] = resp['id'];
                    param['name'] = resp['name'];
                    param['email'] = resp['email'];
                    param['picture'] = resp['picture'];
                    param['redirect'] = 'eNortjK3tFLSTyotzsxLLS5GMMoyU8v1SxKTclIzU_Tz8ksyk1P1gSxjYxNLCwP9Qv1Uv_yikixvo9AyLwOXHPdKp5zycpd8R-fU9Lo6JWtcMDpuHiA~';

                    $.post('/search/search/sns_do_login', param, function (redirect) {
                        location.replace(redirect);
                    });
                });
            });
        } else if (authResult['error']) {
            //   "access_denied" - 사용자가 앱에 대한 액세스 거부
            //   "immediate_failed" - 사용자가 자동으로 로그인할 수 없음
            //console.log(authResult);
        } else {
            alert('오류가 발생했습니다.');
        }
    }

    (function() {
        var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
        po.src = '//apis.google.com/js/client:plusone.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
    })();

    //카카오톡 로그인
    $('#kakaoBtn').on('click', function(e) {
        Kakao.init('8d6ab8df6c3950251c95069a350169b8');
        e.preventDefault();
        Kakao.Auth.login({
            success: function() {
                Kakao.API.request({
                    url: '/v1/user/me',
                    success: function(res) {
                        var param = {};
                        param[token_name] = token_hash;
                        param['sns'] = 'kakaotalk';
                        param['snsid'] = res.id;
                        param['name'] = res.properties.nickname;
                        param['email'] = res.kaccount_email;
                        param['picture'] = res.properties.thumbnail_image;
                        param['redirect'] = 'eNortjK3tFLSTyotzsxLLS5GMMoyU8v1SxKTclIzU_Tz8ksyk1P1gSxjYxNLCwP9Qv1Uv_yikixvo9AyLwOXHPdKp5zycpd8R-fU9Lo6JWtcMDpuHiA~';

                        $.post('/search/search/sns_do_login', param, 	function (redirect) {
                            location.replace(redirect);
                        });
                    },
                    fail: function(error) {
                        alert(JSON.stringify(error));
                    }
                });
            },
            fail: function(err) {
                alert(JSON.stringify(err));
            }
        });
    });

    /*
     var naver_id_login = new naver_id_login("ZqM9u7KgnM1xiNIaPmW4", "http://cnuone.localhost/login/accounts/naver_return");
     var state = naver_id_login.getUniqState();
     naver_id_login.setButton("white", 2,40);
     naver_id_login.setDomain("http://cnuone.localhost");
     naver_id_login.setState(state);
     naver_id_login.setPopup();
     naver_id_login.init_naver_id_login();
     */

    var naver_id_login = new naver_id_login('tWxdeIDaj29OMuIEP2t7', 'https://connect.cnu.ac.kr/login/accounts/naver_return');
    //naver_id_login.popup('true');
    naver_id_login.init_naver_id_login();