/**
* Set veckor (to db), return the new date.
* added by krillo 120814
* @param type $datum
*/
public function setVeckor($arg)
{
$this->veckor = $arg;
$jDate = new JDate($this->getStartdatum());
$newDate = $jDate->addDays($arg * 7 - 1)->getDate();
$this->setSlutdatum($newDate);
return $newDate;
}
