function postOnFacebook(msg, itemLink, pic, itemTitle) {
    FB.init({
        appId  : '193005690721590',
        status : true, // check login status
        cookie : true, // enable cookies to allow the server to access the session
        xfbml  : true  // parse XFBML
    });
    var accessToken = "";
    FB.getLoginStatus(function(response) {
        if (response.session) {
            accessToken = response.session.access_token;
            proceedWithFbCall(msg, itemLink, pic, itemTitle, accessToken);
        } else {
            FB.login(function(response) {
                if (response.session) {
                    // user successfully logged in
                    accessToken = response.session.access_token;
                    proceedWithFbCall(msg, itemLink, pic, itemTitle);
                } else {
                    // user cancelled login
                    alert("cancelled");
                }
            });
        }
    });

}

function proceedWithFbCall(msg, itemLink, pic, itemTitle, accessToken) {
     var siteUrl = 'http://www.localhost:2732';
    $.ajax({
        url: '/Facebook/Share',
        data: {
            'message': msg,
            'link': siteUrl + itemLink,
            'picture': siteUrl + pic,
            'name' : itemTitle,
            'accessToken': accessToken
        },
        type: 'get',
        success: function(data) {
            if(data.result == "success") {
                alert("item was posted on facebook");
            }
        }
    });
}