diff --git a/4chan_x.user.js b/4chan_x.user.js
index afb84620d..d4a25773d 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1288,6 +1288,9 @@
         top: '0',
         left: '0'
       }, "    <a class=close title=close>X</a><input type=checkbox id=autohide title=autohide>    <div class=move><input placeholder=Name name=name form=qr_form>Quick Reply</div>    <form enctype=multipart/form-data method=post action=http://sys.4chan.org/" + g.BOARD + "/post target=iframe id=qr_form>      <input type=hidden name=resto value=" + g.THREAD_ID + ">      <input type=hidden name=mode value=regist>      <input type=hidden name=recaptcha_challenge_field id=challenge>      <input type=hidden name=recaptcha_response_field id=response>      <div><input placeholder=Email name=email></div>      <div><input placeholder=Subject name=sub><button>Submit</button></div>      <div><textarea placeholder=Comment name=com>" + text + "</textarea></div>      <div><img src=http://www.google.com/recaptcha/api/image?c=" + QR.captcha.challenge + "></div>      <div><input placeholder=Verification autocomplete=off id=recaptcha_response_field><span id=cl>" + ($.get('captchas', []).length) + " captchas</span></div>      <div><input name=upfile type=file></div>      <div><input placeholder=Password name=pwd type=password></div>    </form>    <a class=error></a>    ");
+      if (conf['Cooldown']) {
+        QR.cooldown;
+      }
       $.bind($('.close', el), 'click', QR.close);
       $.bind($('form', el), 'submit', QR.submit);
       $.bind($('#recaptcha_response_field', el), 'keydown', QR.keydown);
@@ -1323,13 +1326,40 @@
       ta.setSelectionRange(i, i);
       return ta.focus();
     },
+    cooldown: function() {
+      var b, n, now;
+      if (!QR.el) {
+        return;
+      }
+      cooldown = $.get("cooldown/" + g.BOARD, 0);
+      now = Date.now();
+      n = Math.ceil((cooldown - now) / 1000);
+      b = $('button', QR.el);
+      if (n > 0) {
+        setTimeout(QR.cooldown, 1000);
+        return $.extend(b, {
+          textContent: n,
+          disabled: true
+        });
+      } else {
+        return $.extend(b, {
+          textContent: 'Submit',
+          disabled: false
+        });
+      }
+    },
     receive: function(e) {
       var data;
       data = e.data;
       if (data) {
         return $.extend($('a.error', QR.el), JSON.parse(data));
       } else {
-        return QR.close();
+        QR.close();
+        if (conf['Cooldown']) {
+          cooldown = Date.now() + 30 * SECOND;
+          $.set("cooldown/" + g.BOARD, cooldown);
+          return QR.cooldown();
+        }
       }
     },
     submit: function(e) {
diff --git a/script.coffee b/script.coffee
index f60468d3d..eec34ceb5 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1019,6 +1019,7 @@ QR =
     </form>
     <a class=error></a>
     "
+    QR.cooldown if conf['Cooldown']
     $.bind $('.close', el), 'click', QR.close
     $.bind $('form', el), 'submit', QR.submit
     $.bind $('#recaptcha_response_field', el), 'keydown', QR.keydown
@@ -1045,12 +1046,31 @@ QR =
     i = ss + text.length
     ta.setSelectionRange i, i
     ta.focus()
+  cooldown: ->
+    return unless QR.el
+    cooldown = $.get "cooldown/#{g.BOARD}", 0
+    now = Date.now()
+    n = Math.ceil (cooldown - now) / 1000
+    b = $ 'button', QR.el
+    if n > 0
+      setTimeout QR.cooldown, 1000
+      $.extend b,
+        textContent: n
+        disabled: true
+    else
+      $.extend b,
+        textContent: 'Submit'
+        disabled: false
   receive: (e) ->
     {data} = e
     if data
       $.extend $('a.error', QR.el), JSON.parse data
     else
       QR.close()
+      if conf['Cooldown']
+        cooldown = Date.now() + 30*SECOND
+        $.set "cooldown/#{g.BOARD}", cooldown
+        QR.cooldown()
   submit: (e) ->
     $('.error', qr.el).textContent = ''
     if (el = $('#recaptcha_response_field', QR.el)).value