set    bankaAdlari = xml.getElementsByTagName("bankaAdi")

for i=0 to bankaAdlari.length-1
bankaAdi = bankaAdlari[i].getElementsByTagName("bankaAdi")[0];

if (bankaAdi.childNodes.length) {
  banka = bankaAdi.childNodes[0].nodeValue;
} else {
 banka = "none"
}
next