add_to_head("<meta property='og:title' content='".$settings['sitename']."' />");
add_to_head("<meta property='og:url' content='www adresas iki kazko' />");
add_to_head("<meta property='og:image' content='linkas iki paveiksliuko' /> ");
add_to_head("<meta property='og:site_name' content='webo adresas '/>");
add_to_head("<meta property='og:description' content='aprasymas' /> ");