var newTag = document.createElement("span"); var commentTag = document.getElementById("userlogin"); if(commentTag == null) { commentTag = document.getElementsByName("userlogin"); if(commentTag.length > 0) commentTag = commentTag[0]; } newTag.id = "userlogin"; commentTag.parentNode.replaceChild(newTag,commentTag); newTag.innerHTML = "登录"; var _commentTagWait___ = document.getElementById("tag"); if(_commentTagWait___ != null) { _commentTagWait___.innerHTML=""; }