From 46f7aedadd9c6b1bb64e72c4c0770d9b1030454f Mon Sep 17 00:00:00 2001
From: Robert Kaiser <kairo@kairo.at>
Date: Mon, 14 Nov 2016 21:59:56 +0100
Subject: [PATCH] make the JS compatible with older IE versions, though this is
 a hack that hardcodes unrelated class names

---
 authsystem.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/authsystem.js b/authsystem.js
index 2e21b0f..faaf975 100644
--- a/authsystem.js
+++ b/authsystem.js
@@ -5,10 +5,22 @@
 window.onload = function() {
   var jsWarning = document.getElementById("jswarning");
   if (jsWarning) {
-    document.getElementById("jswarning").classList.add("hidden");
+    if (jsWarning.classList) {
+      jsWarning.classList.add("hidden");
+    }
+    else {
+      // IE9 or older (sigh)
+      jsWarning.setAttribute("class", "warn hidden");
+    }
   }
   var loginForm = document.getElementById("loginform");
   if (loginForm) {
-    loginForm.classList.remove("hidden");
+    if (loginForm.classList) {
+      loginForm.classList.remove("hidden");
+    }
+    else {
+      // IE9 or older (sigh)
+      loginForm.setAttribute("class", "loginarea");
+    }
   }
 }
-- 
2.43.0