'#options'=>array(t('Write errors to the log'),t('Write errors to the log and to the screen')),
'#description'=>t('Specify where Drupal, PHP and SQL errors are logged. While it is recommended that a site running in a production environment write errors to the log only, in a development or testing environment it may be helpful to write errors both to the log and to the screen.')
'#type'=>'radios',
'#title'=>t('Error reporting'),
'#default_value'=>2,
'#options'=>array(
0=>t('Site in production: do not display any errors.'),
1=>t('Site in development: display functional errors only.'),
2=>t('For developers: display all errors.'),
),
'#description'=>t('Display settings for error messages. Note that all error messages are always logged.'),