diff --git a/public/index.html b/public/index.html
index 731ca8f..225e537 100644
--- a/public/index.html
+++ b/public/index.html
@@ -18,7 +18,7 @@
             <p>This text is available both <a href="https://www.marxists.org/archive/lenin/works/1913/mar/x01.htm" target="_blank">as text at MIA</a> and <a href="https://www.youtube.com/watch?v=MOAII71GaFY" target="_blank">as audiobook by Socialism For All</a>.</p>
             <p>The work can be read in 20 minutes. The plan is to start the event 20 minutes <b>before</b> the announced time, to give people time to read the work, if they haven't already. Then <b>at</b> the announced time, the presentation/discussion will start. I will go through what I think are the main points, and we will use this presentation as foundation for discussion.</p>
             <p>I may put some notes here afterwards...</p>
-            <h1>Scheduler</h1>
+            <!--<h1>Scheduler</h1>
             <div id="scheduler">
                 <p>
                     Select as many options as possible. I will try and find the
@@ -51,7 +51,7 @@
                         <input type="submit" value="Submit">
                     </div>
                 </form>
-            </div>
+            </div>-->
         </main>
         <script></script>
     </body>
diff --git a/public/index.js b/public/index.js
index 31a0fdf..760a916 100644
--- a/public/index.js
+++ b/public/index.js
@@ -85,32 +85,38 @@ async function makeScheduleTable() {
     scheduleTable.innerHTML = tableHtml;
 }
 
-scheduleForm.onsubmit = async (ev) => {
-    ev.preventDefault();
-    const formdata = new FormData(ev.target);
-    const data = [...formdata]
-        .reduce((acc, [key, val]) => ({ ...acc, [key]: val }), {});
-    if (!data.username) {
-        alert("please specify username");
-        return;
-    }
-    if (!data.tos) {
-        alert("please check information agreement");
-        return;
-    }
+function initScheduler() {
+    scheduleForm.onsubmit = async (ev) => {
+        ev.preventDefault();
+        const formdata = new FormData(ev.target);
+        const data = [...formdata]
+            .reduce((acc, [key, val]) => ({ ...acc, [key]: val }), {});
+        if (!data.username) {
+            alert("please specify username");
+            return;
+        }
+        if (!data.tos) {
+            alert("please check information agreement");
+            return;
+        }
 
-    const response = await fetch("/api/log", {
-        method: "post",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify(data),
-    }).then((res) => res.json());
+        const response = await fetch("/api/log", {
+            method: "post",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify(data),
+        }).then((res) => res.json());
 
-    if (response.ok) {
-        alert("submitted!");
-    } else {
-        alert("error occured!");
-        console.log(response);
-    }
-};
+        if (response.ok) {
+            alert("submitted!");
+        } else {
+            alert("error occured!");
+            console.log(response);
+        }
+    };
 
-makeScheduleTable();
+    makeScheduleTable();
+}
+
+if (scheduleTable !== null && scheduleForm !== null) {
+    initScheduler();
+}