diff --git a/js/image_viewer.js b/js/image_viewer.js
index 08c2cf1..976ccb1 100644
--- a/js/image_viewer.js
+++ b/js/image_viewer.js
@@ -65,6 +65,7 @@ function displayNext(event) {
 var viewer = document.createElement('div');
 viewer.id = 'viewer';
 viewer.classList.add('hidden');
+viewer.addEventListener('click', unpop);
 
 var close = document.createElement('div');
 close.id = 'close';
@@ -72,7 +73,6 @@ close.classList.add('viewer_button');
 close.addEventListener('click', unpop);
 viewer.appendChild(close);
 
-/* not implemented yet */
 var prev = document.createElement('div');
 prev.id = 'prev';
 prev.classList.add('viewer_button');
@@ -84,7 +84,6 @@ next.id = 'next';
 next.classList.add('viewer_button');
 next.addEventListener('click', displayNext);
 viewer.appendChild(next);
-/* not implemented yet */
 
 document.body.appendChild(viewer);
 document.body.addEventListener(