// JavaScript Document
	// This is called with the results from from FB.getLoginStatus().
	function statusChangeCallback(response) {
		$('#LiFullbg').fadeIn(500);
		fb_login(response);
	}
	// This function is called when someone finishes with the Login
	// Button.  See the onlogin handler attached to it in the sample
	// code below.
	function checkLoginState() {
		FB.getLoginStatus(function(response) {
			statusChangeCallback(response);
		});
	}

	window.fbAsyncInit = function() {
		FB.init({
			appId      : '1136003943104680',
			cookie     : true,  // enable cookies to allow the server to access
		                        // the session
			xfbml      : true,  // parse social plugins on this page
			version    : 'v2.5' // use graph api version 2.5
		});

		// Now that we've initialized the JavaScript SDK, we call
		// FB.getLoginStatus().  This function gets the state of the
		// person visiting this page and can return one of three states to
		// the callback you provide.  They can be:
		//
		// 1. Logged into your app ('connected')
		// 2. Logged into Facebook, but not your app ('not_authorized')
		// 3. Not logged into Facebook and can't tell if they are logged into
		//    your app or not.
		//
		// These three cases are handled in the callback function.



		/*FB.getLoginStatus(function(response) {
			statusChangeCallback(response);
		});*/

	};

	function fb_login(type) {
		FB.login(function(response) {
			if (response.authResponse) {
				var auth = response.authResponse;
				//console.log(response.authResponse);
				//console.log('Welcome!  Fetching your information.... ');
				FB.api('/me', function(response) {
					//console.log('Good to see you, ' + response.name + '.');
					if(type=='login'){
						fb_finish(response.id);
					}else{
						jQuery.ajax({
							url: '../../_ajax.php',
							type: 'POST',
							data: {
								ajax: "facebook_login_checking",
								accessToken: auth.accessToken,
								userID: response.id
							},
							dataType: 'html', //dataType (default: Intelligent Guess (xml, json, script, or html))
							timeout: 10000,
							error: function (result) {
								console.log(result.responseText);
							},
							success: function (result) {
								$('#LiFullbg').fadeOut(500);
								if(result == 'false'){
									$('#fbError').show();
								}else if(result == 'true'){
									$('#fbError').hide();
									fb_finish(response.id);
								}
							}
						});
					}
				});
			} else {
				console.log('User cancelled login or did not fully authorize.');
			}
		}, {scope: 'public_profile,email'});
	}
	// Load the SDK asynchronously
	(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/en_US/sdk.js";
		fjs.parentNode.insertBefore(js, fjs);
	}(document, 'script', 'facebook-jssdk'));

	// Here we run a very simple test of the Graph API after login is
	// successful.  See statusChangeCallback() for when this call is made.
	/*
	function testAPI(authResponse) {
		console.log('Welcome!  Fetching your information.... ');
		FB.api('/me', function(response) {
			//console.log(authResponse);
			//console.log(response);
			console.log('Successful login for: ' + response.name);
			document.getElementById('status').innerHTML =
				'Thanks for logging in, ' + response.name + '!';

			jQuery.ajax({
				url: '_ajax.php',
				type: 'POST',
				data: {
					ajax: "facebook_login_checking",
					accessToken: authResponse.accessToken,
					userID: response.id
				},
				dataType: 'html', //dataType (default: Intelligent Guess (xml, json, script, or html))
				timeout: 10000,
				error: function (result) {
					//alert('Error Occur. Please try again.');
					console.log(result.responseText);
				},
				success: function (result) {
					//$('#loading').slideUp(100);
					console.log(result);
					$('input[name="facebook_id"]').val(result);
					$('#LiConnectFB').val('CONNECTED');
				}
			});

		});
	}*/
	function fb_finish(id){
		$('input[name="facebook_id"]').val(id);
		$('#LiConnectFB').val('已連結');
		if($('#LiLoginForm').size() ==1){
			$('#LiLoginForm').submit()
		}
	}