From 7c6683f95605d9067987c472d32a0cf17a6c7af7 Mon Sep 17 00:00:00 2001
From: Matthew Petroff <matthew@mpetroff.net>
Date: Sat, 2 Jul 2016 18:58:53 -0400
Subject: [PATCH] Minor CSS class add / remove changes.

---
 src/js/pannellum.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/js/pannellum.js b/src/js/pannellum.js
index 4e98ac9..5f4b3b6 100644
--- a/src/js/pannellum.js
+++ b/src/js/pannellum.js
@@ -90,7 +90,7 @@ var defaultConfig = {
 
 // Initialize container
 container = typeof container === 'string' ? document.getElementById(container) : container;
-container.className += ' pnlm-container';
+container.classList.add('pnlm-container');
 container.tabIndex = 0;
 
 // Create container for renderer
@@ -1492,7 +1492,7 @@ function createHotSpots() {
             }
             
             if (hs.text || hs.video || hs.image) {
-                div.className += ' pnlm-tooltip';
+                div.classList.add('pnlm-tooltip');
                 div.appendChild(span);
                 span.style.width = span.scrollWidth - 20 + 'px';
                 span.style.marginLeft = -(span.scrollWidth - 26) / 2 + 'px';
@@ -2247,7 +2247,9 @@ this.destroy = function() {
         container.removeEventListener('pointerleave', onDocumentPointerUp, false);
     }
     container.innerHTML = '';
-    container.classList.remove('pnlm-container', 'pnlm-grab', 'pnlm-grabbing');
+    container.classList.remove('pnlm-container');
+    container.classList.remove('pnlm-grab');
+    container.classList.remove('pnlm-grabbing');
 }
 
 }