<span class="knopka">
<span onClick="showhide('share_span');" style="cursor: pointer;">Поделиться</span>
<span id="share_span" style="display: none;"></span>
</span>
<script type="text/javascript">
obj("share_span").innerHTML="<span class=\"yashare-auto-init\" data-yashareL10n=\"ru\" data-yashareType=\"none\"\
data-yashareQuickServices=\"vkontakte,facebook,twitter,odnoklassniki,moimir,lj,gplus\"></span>";
</script>