//instead this:
$facebook_img	= ( $profiledata['user_facebook'] ) ? '<a target="_blank" href="' . facebook_profile_url ($profiledata['user_facebook']) . '"><img src="' . $images['icon_facebook'] . '" alt="' . $lang['Profile_facebook'] . '" title="' . $lang['Profile_facebook'] . '" border="0" /></a>' : '';

//use this
$facebook_img	= ( $profiledata['user_facebook'] ) ? '<a target="_blank" href="' . $profiledata['user_facebook'] . '"><img src="' . $images['icon_facebook'] . '" alt="' . $lang['Profile_facebook'] . '" title="' . $lang['Profile_facebook'] . '" border="0" /></a>' : '';