Fix Javascript problem that breaks pages without JOSM button on https.

1 files changed, 15 insertions, 13 deletions

diff --git a/web/public/js/taginfo.js b/web/public/js/taginfo.js
index 21a8563..0ca72d9 100644
--- a/web/public/js/taginfo.js
+++ b/web/public/js/taginfo.js
@@ -744,21 +744,23 @@ function comparison_list_change(key, value) {
 /* ============================ */
 
 function activate_josm_button() {
-    if (window.location.protocol == "https:") {
-        var url = jQuery('#josm_button')[0].href.replace('http://localhost:8111/', 'https://localhost:8112/');
-        jQuery('#josm_button')[0].href = url;
-    }
+    if (jQuery('#josm_button')) {
+        if (window.location.protocol == "https:") {
+            var url = jQuery('#josm_button')[0].href.replace('http://localhost:8111/', 'https://localhost:8112/');
+            jQuery('#josm_button')[0].href = url;
+        }
 
-    jQuery('#josm_button').bind('click', function() {
-        var url = jQuery('#josm_button')[0].href;
-        jQuery.get(url, function(data) {
-            if (data.substring(0, 2) != 'OK') {
-                alert("Problem contacting JOSM. Is it running? Is remote control activated?");
-                console.log("Answer from JOSM: [" + data + "]");
-            }
+        jQuery('#josm_button').bind('click', function() {
+            var url = jQuery('#josm_button')[0].href;
+            jQuery.get(url, function(data) {
+                if (data.substring(0, 2) != 'OK') {
+                    alert("Problem contacting JOSM. Is it running? Is remote control activated?");
+                    console.log("Answer from JOSM: [" + data + "]");
+                }
+            });
+            return false;
         });
-        return false;
-    });
+    }
 }
 
 /* ============================ */