--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/help/help.js	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,38 @@
+/**
+ * Help plugin client script
+ * @version 1.4
+ *
+ * @licstart  The following is the entire license notice for the
+ * JavaScript code in this file.
+ *
+ * Copyright (c) 2012-2014, The Roundcube Dev Team
+ *
+ * The JavaScript code in this page is free software: you can redistribute it
+ * and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * @licend  The above is the entire license notice
+ * for the JavaScript code in this file.
+ */
+
+// hook into switch-task event to open the help window
+if (window.rcmail) {
+    rcmail.addEventListener('beforeswitch-task', function(prop) {
+        // catch clicks to help task button
+        if (prop == 'help') {
+            if (rcmail.task == 'help')  // we're already there
+                return false;
+
+            var url = rcmail.url('help/index', { _rel: rcmail.task + (rcmail.env.action ? '/'+rcmail.env.action : '') });
+            if (rcmail.env.help_open_extwin) {
+                rcmail.open_window(url, 1020, false);
+            }
+            else {
+                rcmail.redirect(url, false);
+            }
+
+            return false;
+      }
+  });
+}