Improved image-buttons and colored image creation

config.php-sample

@@ -7,6 +7,9 @@ Copyright (C) 2011-2023 Thomas Hooge
 SPDX-License-Identifier: GPL-3.0-or-later
 *****************************************************************************/
 
+// application settings
+$config_app_session = 'ipreg';
+
 // db connection
 $config_mysql_host = 'localhost';
 $config_mysql_username = 'ipreg';