1 files changed, 6 insertions, 6 deletions

diff --git a/main.js b/main.js
index 2b5e650..15c82ed 100644
--- a/main.js
+++ b/main.js
@@ -247,7 +247,7 @@ if (window.location !== window.parent.location) {
 }
 
 /* layer selection button and legend */
-(function() {
+if (window.location === window.parent.location) {
   const btn = (function() {
     const div = document.createElement('div');
     menu.appendChild(div);
@@ -321,10 +321,10 @@ if (window.location !== window.parent.location) {
       btn2.classList.replace('btn-light', 'btn-dark');
     }
   };
-})();
+}
 
 /* fullscreen control */
-(function() {
+if (window.location === window.parent.location) {
   const label = document.createElement('i');
   label.classList.add('bi', 'bi-fullscreen');
 
@@ -385,10 +385,10 @@ if (window.location !== window.parent.location) {
       exp.classList.remove('d-none');
     }
   })
-})();
+}
 
 /* export/download button */
-(function() {
+if (window.location === window.parent.location) {
   const div = document.createElement('div');
   div.classList.add('ol-unselectable', 'ol-control');
   div.id = 'export-to-image';
@@ -436,7 +436,7 @@ if (window.location !== window.parent.location) {
 
     map.renderSync();
   };
-})();
+}
 
 /* info button */
 (function() {