first non working attemt with Chart.js

rowers/templates/embedded_video.html

@@ -11,6 +11,8 @@
 {% block meta %}
 {% leaflet_js %}
 {% leaflet_css %}
+<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.js"></script>
+<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
 {% endblock %}
 
 {% block main %}
@@ -75,8 +77,9 @@
       {{ mapdiv | safe}}
 
     </div>
-    <div class="slidecontainer">
-      <input type="range" min="0" max="{{ maxtime }}" value="{{ analysis.delay }}" class="slider" id="myRange">
+    <div>
+      <input type="range" min="0" max="{{ maxtime }}" value="{{ analysis.delay }}"
+      id="myRange">
     </div>
   </li>
   <li class="grid_2">