diff --git a/_debug_replacements.php b/_debug_replacements.php
index 3ae64da..c7d4124 100644
--- a/_debug_replacements.php
+++ b/_debug_replacements.php
@@ -83,7 +83,7 @@ return [
 	'term_height' => '25',
 	'default_bg' => '0',
 	'default_fg' => '7',
-	'show_buttons' => '0',
+	'show_buttons' => '1',
 	'show_config_links' => '1',
 
 	'uart_baud' => 115200,
diff --git a/base.php b/base.php
index 2e211d0..a049c68 100644
--- a/base.php
+++ b/base.php
@@ -12,19 +12,27 @@ if (!empty($argv[1])) {
 	parse_str($argv[1], $_GET);
 }
 
-if (!file_exists(__DIR__ . '/_env.php')) {
-	die("Copy <b>_env.php.example</b> to <b>_env.php</b> and check the settings inside!");
-}
-
 define('GIT_HASH', trim(shell_exec('git rev-parse --short HEAD')));
 
-require_once __DIR__ . '/_env.php';
-
 $prod = defined('STDIN');
 define('DEBUG', !$prod);
-$root = DEBUG ? json_encode(ESP_IP) : 'location.host';
+
+// Resolve hostname for ajax etc
+$root = 'location.host';
+if (!file_exists(__DIR__ . '/_env.php')) {
+  if (DEBUG) {
+    die("No _env.php found! Copy _env.php.example</b> to <b>_env.php</b> and check the settings inside!");
+  }
+} else {
+  if (DEBUG) {
+    require_once __DIR__ . '/_env.php';
+    $root = json_encode(ESP_IP);
+  }
+}
+
 define('JS_WEB_ROOT', $root);
 
+
 define('ESP_DEMO', (bool)getenv('ESP_DEMO'));
 if (ESP_DEMO) {
 	define('DEMO_APS', <<<APS
diff --git a/js/appcommon.js b/js/appcommon.js
index 3b03ba7..f1c4c6a 100644
--- a/js/appcommon.js
+++ b/js/appcommon.js
@@ -97,7 +97,7 @@ $.ready(function () {
   Modal.init()
   Notify.init()
 
-  // remove tabindixes from h2 if wide
+  // remove tabindices from h2 if wide
   if (window.innerWidth > 550) {
     $('.Box h2').forEach(function (x) {
       x.removeAttribute('tabindex')
diff --git a/js/term_input.js b/js/term_input.js
index e9cee03..2199f7e 100644
--- a/js/term_input.js
+++ b/js/term_input.js
@@ -106,7 +106,9 @@ window.Input = function (conn) {
       'np_sub': na('\x1bOS', '-'),
       'np_point': na('\x1bOn', '.'),
       'np_div': na('\x1bOQ', '/')
-      // we don't implement numlock key (should change in numpad_alt mode, but it's even more useless than the rest)
+      // we don't implement numlock key (should change in numpad_alt mode,
+      // but it's even more useless than the rest and also has the side
+      // effect of changing the user's numlock state)
     }
 
     const blacklist = [
@@ -204,7 +206,7 @@ window.Input = function (conn) {
 
     // Button presses
     $('#action-buttons button').forEach(s => {
-      s.addEventListener('click', () => {
+      s.addEventListener('click', function (evt) {
         sendBtnMsg(+this.dataset['n'])
       })
     })
@@ -290,10 +292,10 @@ window.Input = function (conn) {
       // console.log("B ",b," M ",m);
     },
 
-    mouseTracksClicks () {
-      return cfg.mt_click
-    },
-
+    /**
+     * Prevent capturing keys. This is used for text input
+     * modals on the terminal screen
+     */
     blockKeys (yes) {
       cfg.no_keys = yes
     }
diff --git a/js/term_upload.js b/js/term_upload.js
index e399c4b..938b420 100644
--- a/js/term_upload.js
+++ b/js/term_upload.js
@@ -97,7 +97,6 @@ window.TermUpl = function (conn, input, screen) {
       inline_pos += MAX_LINE_LEN
     }
 
-    console.log(chunk)
     if (!input.sendString(chunk)) {
       updateStatus('FAILED!')
       return
@@ -134,10 +133,11 @@ window.TermUpl = function (conn, input, screen) {
       qs('#fu_file').addEventListener('change', function (evt) {
         let reader = new FileReader()
         let file = evt.target.files[0]
-        console.log('Selected file type: ' + file.type)
-        if (!file.type.match(/text\/.*|application\/(json|csv|.*xml.*|.*script.*)/)) {
+        let ftype = file.type || 'application/octet-stream'
+        console.log('Selected file type: ' + ftype)
+        if (!ftype.match(/text\/.*|application\/(json|csv|.*xml.*|.*script.*|x-php)/)) {
           // Deny load of blobs like img - can crash browser and will get corrupted anyway
-          if (!confirm('This does not look like a text file: ' + file.type + '\nReally load?')) {
+          if (!confirm(`This does not look like a text file: ${ftype}\nReally load?`)) {
             qs('#fu_file').value = ''
             return
           }
diff --git a/js/wifi.js b/js/wifi.js
index bd35fe4..8e90328 100644
--- a/js/wifi.js
+++ b/js/wifi.js
@@ -149,7 +149,7 @@
     })
 
     // Forget STA credentials
-    $('#forget-sta').on('click', function () {
+    $('#forget-sta').on('click', () => {
       selectSta('', '', '')
       return false
     })