document.getElementById("commentjs2").innerHTML='<div class="school_log"><a name="loginF"></a><li>                        <a href="http://www.51sxue.com/member/register" target="_blank">注册会员</a>                        |</li>                         <li>                        <a href="http://www.51sxue.com/member/login" target="_blank">会员登录</a>                        </li></div>';