Help Array

[[EMAIL PROTECTED]]

Hi can you help to correct this problem
function initPF()
{
vopf=new Array();
pf = new PfVO();
pf.stagione.cdc_stag="2005";
vopf.push(pf);
}

<mx:Binding source="{PfVO(vopf[0]).stagione.cdc_stag==undefined 
?'NK':PfVO(vopf[0]).stagione.cdc_stag}" destination="lstag.text" /> 

But display always NK???
but if i use
<mx:Binding source="{pf.stagione.cdc_stag==undefined 
?'NK':PfVO(pf.stagione.cdc_stag}" destination="lstag.text" /> work fine

Can you help me please.
Devis