A security check for xoops register and login by using visual confirmation.

How to user it:
1 File Install
For login, overwrite your files with the folder 'securitycheck_for_login'
For register, overwrite your files with the folder 'securitycheck_for_register'
For both login and register, overwrite your files with the folder 'securitycheck'
2 Module update
If you install for login, once uploading the files, go to Administration Area and update the system module
3 Make it work
3.1 To enable the security check, go to xoopsroot/include/common.php
Set:
define('ENABLE_SECURITYCHECK_REGISTER', 1);
define('ENABLE_SECURITYCHECK_LOGIN', 1);
3.2 Set other parameters in xoopsroot/include/common.php
if(!defined('STORE_IN_DB')) define('STORE_IN_DB', 0);
if(!defined('SECURITYCHECK_TABLE')) define('SECURITYCHECK_TABLE', "security");
if(!defined('MAX_ATTEMPTS')) define('MAX_ATTEMPTS', 10);
3.3 If you set define('STORE_IN_DB', 1), you will need create a table !