function fblogout($fblogout) {
session_start();
$user='';
$userdata='';
session_destroy();
header("Location: http://domainmu.com");
}

function fb_connect($fb) {
require 'libfb/facebook.php';
require 'libfb/fbconfig.php';
$user = $facebook->getUser();
if ($user)
{
$logoutUrl = $facebook->getLogoutUrl();
try
{
$userdata = $facebook->api('/me');
}
catch (FacebookApiException $e) {
error_log($e);
$user = null;
}
$_SESSION['facebook']=$_SESSION;
$_SESSION['userdata'] = $userdata;
$_SESSION['logout'] = $logoutUrl;
//Redirecting to home.php
header("Location: http://domainmu.com");
}
else
{
$loginUrl = $facebook->getLoginUrl(array(
 'scope' => 'email,user_birthday,publish_stream',
 'display' => 'touch'
));
echo '<a href="'.$loginUrl.'">Login with Facebook</a>';

}
}