Initial revision
diff --git a/tools/bddb/badsubmit.php b/tools/bddb/badsubmit.php
new file mode 100644
index 0000000..af0a962
--- /dev/null
+++ b/tools/bddb/badsubmit.php
@@ -0,0 +1,23 @@
+<?php // php pages made with phpMyBuilder <http://kyber.dk/phpMyBuilder> ?>
+<?php
+	// (C) Copyright 2001
+	// Murray Jensen <Murray.Jensen@cmst.csiro.au>
+	// CSIRO Manufacturing Science and Technology, Preston Lab
+
+	require("defs.php");
+	pg_head("$bddb_label - Unknown Submit Type");
+?>
+<center>
+  <font size="+4">
+    <b>
+      The <?php echo "$bddb_label"; ?> form was submitted with an
+      unknown SUBMIT type <?php echo "(value was '$submit')" ?>.
+      <br></br>
+      Perhaps you typed the URL in directly? Click here to go to the
+      home page of the <a href="index.php"><?php echo "$bddb_label"; ?></a>.
+    </b>
+  </font>
+</center>
+<?php
+	pg_foot();
+?>