public function isApprovable() {

		return $this->status == IApproval::STATUS_SUBMITTED || $this->status == IApproval::STATUS_FROJEN ||
			$this->status == IApproval::STATUS_UPLIFT_FREEZE || $this->status == IApproval::STATUS_BLOCKED ||
			$this->status == IApproval::STATUS_UPLIFT_BLOCK;
	}