diff --git a/include/database.class.php b/include/database.class.php
new file mode 100644
index 0000000..a0d5906
--- /dev/null
+++ b/include/database.class.php
@@ -0,0 +1,44 @@
+<?php
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+function bratonien_tools_table($name)
+{
+  return $GLOBALS['prefixeTable'] . 'bratonien_tools_' . $name;
+}
+
+function bratonien_tools_create_tables()
+{
+  $profiles = bratonien_tools_table('watermark_profiles');
+  $rules = bratonien_tools_table('watermark_rules');
+
+  pwg_query("CREATE TABLE IF NOT EXISTS `$profiles` (
+    id int(11) NOT NULL AUTO_INCREMENT,
+    name varchar(255) NOT NULL,
+    watermark_file varchar(255) NOT NULL,
+    xpos int(11) NOT NULL DEFAULT 90,
+    ypos int(11) NOT NULL DEFAULT 90,
+    opacity int(11) NOT NULL DEFAULT 35,
+    min_width int(11) NOT NULL DEFAULT 10,
+    min_height int(11) NOT NULL DEFAULT 10,
+    created datetime NOT NULL,
+    PRIMARY KEY (id)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;");
+
+  pwg_query("CREATE TABLE IF NOT EXISTS `$rules` (
+    id int(11) NOT NULL AUTO_INCREMENT,
+    category_id int(11) NOT NULL,
+    mode enum('inherit','profile','disabled') NOT NULL DEFAULT 'inherit',
+    profile_id int(11) DEFAULT NULL,
+    PRIMARY KEY (id),
+    UNIQUE KEY category_id (category_id)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;");
+}
+
+function bratonien_tools_drop_tables()
+{
+  pwg_query('DROP TABLE IF EXISTS `'.bratonien_tools_table('watermark_profiles').'`');
+  pwg_query('DROP TABLE IF EXISTS `'.bratonien_tools_table('watermark_rules').'`');
+}