Update index.md

Author: OMesserges

index.md

@@ -17,7 +17,7 @@ instructor: ["Sarah Stevens", "TBD"] # boxed, comma-separated list of instructor
 helper: ["Sarah Stevens", "TBD"]     # boxed, comma-separated list of helpers' names, like ["Marlyn Wescoff", "Fran Bilas", "Ruth Lichterman"]
 email: ["[email protected]"]    # boxed, comma-separated list of contact email addresses for the host, lead instructor, or whoever else is handling questions, like ["[email protected]", "[email protected]", "[email protected]"]
 collaborative_notes: https://pad.carpentries.org/2024-06-03-uwmadison-dc  # optional: URL for the workshop collaborative notes, e.g. an Etherpad or Google Docs document (e.g., https://pad.carpentries.org/2015-01-01-euphoria)
-eventbrite:           # optional: alphanumeric key for Eventbrite registration, e.g., "1234567890AB" (if Eventbrite is being used)
+eventbrite: 1207431222289         # optional: alphanumeric key for Eventbrite registration, e.g., "1234567890AB" (if Eventbrite is being used)
 ---
 
 {% comment %} See instructions in the comments below for how to edit specific sections of this workshop template. {% endcomment %}
@@ -73,16 +73,18 @@ displayed if the 'eventbrite' field in the header is not set.
 {% if page.eventbrite %}
 <strong>Some adblockers block the registration window. If you do not see the
   registration box below, please check your adblocker settings.</strong>
-<iframe
-  src="https://www.eventbrite.com/tickets-external?eid={{page.eventbrite}}&ref=etckt"
-  frameborder="0"
-  width="100%"
-  height="280px"
-  scrolling="auto">
-</iframe>
+<div id="eventbrite-widget-container"></div>
+<script src="https://www.eventbrite.com/static/widgets/eb_widgets.js"></script>
+<script type="text/javascript">
+    window.EBWidgets.createWidget({
+        // Required
+        widgetType: 'checkout',
+        eventId: {{page.eventbrite}},
+        iframeContainerId: 'eventbrite-widget-container',
+    });
+</script>
 {% endif %}
 
-
 <h2 id="general">General Information</h2>
 
 {% comment %}