diff --git a/comments/comments.go b/comments/comments.go
index 04451e1..1ea3719 100644
--- a/comments/comments.go
+++ b/comments/comments.go
@@ -128,14 +128,7 @@ func (cs *Service) WriteHTML(post string, w io.Writer) (int64, error) {
 		<text>{{.Text}}</text>
 		</comment>
 		{{end}}{{end}}
-		<form onsubmit="javascript:submitComment(event)">
-		<script>
-			function submitComment(evt) {
-				var xhr = new XMLHttpRequest();
-				xhr.open('POST', document.location.pathname, true);
-				xhr.send(JSON.stringify({"text": evt.target.querySelector('textarea').value}));
-			}
-		</script>
+		<form onsubmit="submitComment(event)">
 		<p>
 			<div>
 			<label for="comment">post a comment:</label>
@@ -144,7 +137,7 @@ func (cs *Service) WriteHTML(post string, w io.Writer) (int64, error) {
 			<textarea placeholder="comment..." name="comment"></textarea>
 			</div>
 			<div>
-			<button>post</button>
+			<button type="submit">post</button>
 			</div>
 		</p>
 		</form>`))