$_SESSION['date'] = $cl_date;
// Determine selected week start and end dates.
-$weekStartDay = $user->week_start;
+$weekStartDay = $user->getWeekStart();
$t_arr = localtime($selected_date->getTimestamp());
$t_arr[5] = $t_arr[5] + 1900;
if ($t_arr[6] < $weekStartDay)