<script>  
  setInterval(function(){  
  $.get('/index/14', function(muc){  
  if($('.unread',muc).text()){  
   _uWnd.alert("<b>У вас <?if($UNREAD_PM$>1)?>$UNREAD_PM$ новых сообщений<?else?> $UNREAD_PM$ новое сообщение<?endif?> </b><div style=\"padding-top:10px;\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" onmousedown=\"this.className='downBtn'\" onmouseover=\"this.className='overBtn'\" onmouseout=\"this.className='outBtn'\" class=\"outBtn\"><tbody><tr><td class=\"myBtnLeft\"><td class=\"myBtnCenter\"><div class=\"myBtnCont x-unselectable\" unselectable=\"on\" onclick=\"window.open('$PM_URL$')\"><a href=\"javascript://\" onclick=\"return false;\">Прочитать</a></div></td><td class=\"myBtnRight\"><img border=\"0\" src=\"http://s62.ucoz.net/img/1px.gif\"/></td><td style=\"visibility:hidden;\"/></tr></tbody></table>","Новое сообщение",{w: 250,h: 100,t: 10000});  
  }  
  });},10000);  
  </script>