create a new maintenance period, add a recurring subperiod to it (like daily).

Undefined index: new_timeperiod_start_date_hour [nce.php:240]
Undefined index: new_timeperiod_start_date_minute [nce.php:241]
Undefined index: new_timeperiod_start_date_month [nce.php:243]
Undefined index: new_timeperiod_start_date_day [nce.php:244]
Undefined index: new_timeperiod_start_date_year [nce.php:245]

regression, broken by :

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r32489 | oleg | 2013-01-07 10:11:00 +0200 (Mon, 07 Jan 2013) | 1 line

A.F....... ZBX-5900 fixed date validation in services and maintenances, fixed JS calendar and fixed maintenance periods validation