function social_buttons() {
    document.write('<table><tr>');

    // yandex
    document.write('<td>');
    document.write('<script type="text/javascript" src="//yandex.st/share/share.js" '+
	    'charset="utf-8"></script><div class="yashare-auto-init" data-yashareL10n="ru" '+
	    'data-yashareType="none" '+
	    'data-yashareQuickServices="yaru,vkontakte,facebook,twitter,odnoklassniki,moimir"></div>');
    document.write('</td>');

    // google
    document.write('<td>');
    document.write('<script type="text/javascript" src="https://apis.google.com/js/plusone.js">'+
	    '{lang: \'ru\', parsetags: \'explicit\'}</script>');
    document.write('<g:plusone size="small" annotation="none"></g:plusone>');
    document.write('<script type="text/javascript">gapi.plusone.go();</script>');
    document.write('</td>');

    document.write('</tr></table>');
}