function SetCustomerAccessByBalance($id,$balance)
	{
		$blokada = $this->DB->GetAll("SELECT access,warning
									   FROM nodes 
									  WHERE (access=0 or warning=1)
										AND ownerid=?",array($id)); 
		if (sizeof($blokada)>0)
		{
			
				# sprawdzamy bilans jesli 0 to odlokowujemy i wychodzimy
				$bilans = $this->GetCustomerBalance($id);

				if ($bilans >= 0)
				{
					$this->SetAccessToOnForCustomerNodes($id,$balance);
					return TRUE;
				} 
				
				# sprawdzamy ostatnia fakture jesli bilans = fakturze i nie uplytnal termin platnosci - odblokowujemy i wychodzimy
				$lastinvoice = $this->DB->GetAll(
				   "SELECT sum(invoicecontents.value*invoicecontents.count)*-1 as value, 
						   id,
						   cdate,
						   cdate+(paytime+1)*24*60*60 as pdate
					  FROM invoicecontents 
				 LEFT JOIN documents ON documents.id = invoicecontents.docid
					 WHERE documents.customerid = ?
					   AND documents.type = 1
				  GROUP BY id 
				  ORDER BY id DESC 
					 LIMIT 1;",array($id));

				if(isset($lastinvoice[0]['value']))
				{
					if($lastinvoice[0]['value'] == $bilans && $lastinvoice[0]['pdate'] > time())
					{
						$this->SetAccessToOnForCustomerNodes($id,$balance);
						return TRUE;
					}
				}
		}
		return FALSE;
	}


	function SetAccessToOnForCustomerNodes($id,$balance)
	{
		$this->DB->Execute("UPDATE nodes 
							   SET access=1, warning=1 
							 WHERE ownerid=? 
							   AND access=0",array($id));

		$message = "<h1>Dzi��kujemy za wp��at��.</h1>
					 Informujemy, ��e w dniu: ".strftime("%d.%m.%Y",time()).
					 " zaksi��gowali��my wp��at�� w wysoko��ci: ".$balance['value'].'z��'.
					 ".<br> Po naci��ni��ciu przycisku poni��ej - strony internetowe zostan�� odblokowane.";						
        $this->DB->Execute("UPDATE customers
							   SET message = ?
							 WHERE id=?",array($message,$id));
	}