BT-44 - In script.js, removed the plugin_backup object and refere…

…nces to it from `admin` since it was throwing JavaScript exceptions in my testing; also changed how we hide the "backup running" section to use `display` instead of `visibility`

admin.php

@@ -150,7 +150,6 @@ protected function runBackup()
         $fn = mediaFN($id);
         try {
             echo '<div class="log">';
-            echo '<script>plugin_backup.start();</script>';
             tpl_flush();
             $this->createBackup($fn, $this->loadPreferences(), [$this, 'logXHTML']);
             echo '</div>';
@@ -161,8 +160,7 @@ protected function runBackup()
             @unlink($fn);
         }
 
-        echo '<script>document.getElementsByClassName(\'bt-running\')[0].style.visibility=\'hidden\';</script>';
-        echo '<script>plugin_backup.stop();</script>';
+        echo '<script>document.getElementsByClassName(\'bt-running\')[0].style.display=\'none\';</script>';
     }
 
     /**

script.js

@@ -1,24 +1,3 @@
-var plugin_backup = {
-    timer: null,
-    $log: null,
-
-    start: function() {
-        plugin_backup.$log = jQuery('.plugin_backup .log');
-        plugin_backup.timer = window.setInterval(function() {
-            plugin_backup.$log.scrollTop(plugin_backup.$log[0].scrollHeight);
-        }, 100);
-    },
-
-    stop: function() {
-        if (plugin_backup.timer) {
-            window.clearInterval(plugin_backup.timer);
-            plugin_backup.timer = null;
-        }
-        jQuery('.plugin_backup .running').hide();
-        plugin_backup.$log.scrollTop(plugin_backup.$log[0].scrollHeight);
-    }
-};
-
 var btColl = document.getElementsByClassName("collapsible");
 for (var btIter = 0; btIter < btColl.length; i++) {
     btColl[btIter].addEventListener("click", function() {