var $week_start = 0; // Week start day.
var $tracking_mode = 0; // Tracking mode.
var $record_type = 0; // Record type (duration vs start and finish, or both).
var $week_start = 0; // Week start day.
var $tracking_mode = 0; // Tracking mode.
var $record_type = 0; // Record type (duration vs start and finish, or both).