Plug2

<b:if cond='data:blog.pageType == &quot;item&quot;'>
<script type='text/javascript'>var flagItem = 0;</script>
</b:if>
<b:if cond='data:blog.pageType == &quot;static_page&quot;'>
<script type='text/javascript'>var flagItem = 1;</script>
</b:if>
<script type='text/javascript'>

var indexa = &#39;<data:top.id/>&#39;;
var indexb = &#39;<data:post.id/>&#39;;
//<![CDATA[

  flagItem="0"==flagItem?"&postID=":"&pageID=";

function replyOriginal() {

 var b = document.getElementById("comment-editor").getAttribute("src"), a = b.indexOf("#"), b = b.substring(a), a = document.getElementById("comment-editor");

  a.parentNode.removeChild(a);
  a = document.getElementById("replypost");
  a.parentNode.removeChild(a);

  b = "http://www.blogger.com/comment-iframe.g?blogID=" + (indexa + flagItem + indexb + b) + "";
  a = document.createElement("iframe");
  a.setAttribute("id", "comment-editor");
  a.setAttribute("name", "comment-editor");
  a.setAttribute("src", b);
  a.setAttribute("height", "250px");
  a.setAttribute("width", "100%");
  a.setAttribute("frameBorder", "0");
  a.setAttribute("allowtransparency", "true");
  document.getElementById("comment-form-thread").appendChild(a)
}
function reply(b) {
  var a = document.getElementById("comment-editor").getAttribute("src"), c = a.indexOf("#"), a = a.substring(c), c = document.getElementById("comment-editor");

  c.parentNode.removeChild(c);

  a = "http://www.blogger.com/comment-iframe.g?blogID=" + (indexa + flagItem + indexb) + "&parentID=" + (b + a) + "";
  c = document.createElement("iframe");
  c.setAttribute("id", "comment-editor");
  c.setAttribute("name", "comment-editor");
  c.setAttribute("src", a);
  c.setAttribute("height", "250px");
  c.setAttribute("width", "100%");
  c.setAttribute("frameBorder", "0");
  c.setAttribute("allowtransparency", "true");
  document.getElementById("contenedorreply-" + b + "").appendChild(c);

  document.getElementById("replypost") || (b = document.createElement("a"), b.innerHTML = "Add a comment", b.setAttribute("id", "replypost"), b.setAttribute("href", "javascript:void(0)"), b.setAttribute("class", "LoadMore"), document.getElementById("comment-form-thread").appendChild(b));
  var clickOn = document.getElementById("replypost");
  clickOn.addEventListener ? clickOn.addEventListener("click", replyOriginal, !1) : clickOn.attachEvent("onclick", replyOriginal);
}
//]]>
</script>