Facebook Facade to make your life a little bit easier.
var facebook = new window.Facebook(appId, channelUrl); // ("23423524235", "//url.com")
facebook.login(function(response) {});
facebook.getUser(function(response) {});
To find out if you are logged in already
facebook.isConnected(function(response) {});
To get a large profile pic
facebook.getProfilePic(function(response) {});
facebook.postToWall({
caption: "Awesome Post",
message: "This is my message",
link: "http://url.com"
},
function(response) {}
);