var str='<a href="/account/login/" id="login" title="用户登录">用户登录</a>';	
 if(parent.document.getElementById('member_logged')){
    parent.document.getElementById('member_logged').innerHTML = str;
 } else {
    parent.document.getElementById('member_logged_gh').innerHTML = str;
 }
 if(parent.document.getElementById('member_logged_gh')){
    parent.document.getElementById('member_logged_gh').innerHTML = str;
 }