Push a comment to a firebase database from a static HTML page

comment.js

$(function() {
  var ref = new Firebase("https://nodes-commenting.firebaseio.com/"),
      postRef = ref.child(window.location.pathname);
  
  postRef.on("child_added", function(snapshot) {
    var newPost = snapshot.val();
    if(newPost.moderated) {
      $("#comment-list").prepend('<div class="comment">' +
        '<h4>' + escapeHtml(newPost.name) + '</h4>' +
        '<div class="profile-image"><img src="http://www.gravatar.com/avatar/' + escapeHtml(newPost.md5Email) + '?s=100&d=retro"/></div> ' +
        '<span class="date">' + moment(newPost.postedAt).fromNow() + '</span><p>' + escapeHtml(newPost.message)  + '</p></div>');
      }
  });

  $("#comment").submit(function() {
          var a = postRef.push();

          a.set({
            name: $("#name").val(),
            message: $("#message").val(),
            md5Email: md5($("#email").val()),
            postedAt: Firebase.ServerValue.TIMESTAMP,
            moderated: false
          });

          $("input[type=text], input[type=email], textarea").val("");
          $("#toast").removeClass("hide");
          setTimeout(function() {
            $("#toast").addClass("hide");
          }, 3000);
          return false;
      });
    })

Hi

How this comment.js is use in html with firebase .
I did not store the value of comments in firebase ..
Please help