Added elevator.js to the weblog.

Nachdem eyecandy.js bereits positive Resonanz hervorgerufen hat, wird nun mit elevator.js ein weiterer Vorstoß gewagt.

blog.html

@@ -27,3 +27,17 @@ layout: default
   </div>
 </div>
 {% endfor %}
+
+<div class="elevator-button" style="text-align: center; margin: auto; cursor: pointer;">Back to Top</div>
+<script src="js/elevator.min.js"></script>
+<script>
+// Elevator script: https://github.com/tholman/elevator.js
+window.onload = function() {
+  var elevator = new Elevator({
+    element: document.querySelector('.elevator-button'),
+    mainAudio: '/media/elevator-music.mp3', // Music from http://www.bensound.com/
+    endAudio: '/media/ding.mp3', // Music from http://www.bensound.com/
+    duration: 20000 // milliseconds
+  });
+}
+</script>