diff --git a/authenticator.js b/authenticator.js
index cd3591f..11dbfec 100644
--- a/authenticator.js
+++ b/authenticator.js
@@ -30,6 +30,7 @@ function onAuthenticated() {
 }
 
 function authenticate() {
+  window.onbeforeunload = function () {};
   window.open("https://mra9407.pythonanywhere.com/authorize", "_self", "popup");
   // // callbackafter access token is retrieved
   // tokenClient.callback = async (resp) => {
diff --git a/viewtree.html b/viewtree.html
index 893b4d4..f5479d1 100644
--- a/viewtree.html
+++ b/viewtree.html
@@ -126,7 +126,7 @@
         <div class="container" style="width:100%">
             <section id="upload1" class="upload; display:none">
                 <p>MyDrive CoNLL-U files</p>
-                <input style="float: left; display: none" type="button" id="browse_btn" value="Browse MyDrive" />
+                <input style="float: left" type="button" id="browse_btn" value="Browse MyDrive" />
                 <p id="picked_filename" style="float: left"></p>
                 <input style="float:right" type="button" id="treebtn1" value="Upload"
                     onClick="setupTreePage(RemoteFileInputChecker)" />