change:
onclick="window.open('http://www.facebook.com/sharer.php?u=<?php echo urlencode(((!empty($_SERVER["HTTPS"])) ? "https://" : "http://www.facebook.com/TessyAcconciature") . $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]); ?>',
to:
onclick="window.open('http://www.facebook.com/sharer.php?u=http://www.facebook.com/TessyAcconciature/index.php',