public function populateSubcontractDd($form,$projectId)
	{
		$cps = new Pment_Models_CpMapper();
		$arrayContractors = $cps->fetchAllContractorIds($projectId);
			
		foreach($arrayContractors as $contr)
		{
			$form->getElement('contractorId')->addMultiOption($contr->getContractorId(),$contr->getContractorName());
			}
	}