How to extract attribute value from NodeList object while parsing SOAP body

So i have an xml soap message that is look like that:

...
<FinalValueFee1 currencyID="USD">8.0</FinalValueFee>
<FinalValueFee2 currencyID="ILS">6.0</FinalValueFee>
<FinalValueFee3 currencyID="EUR">1.0</FinalValueFee>
<FinalValueFee4 currencyID="USD">4.0</FinalValueFee>
...

After setting an object of SOAPMessage and SOAPBody i have the ability to pick up the values of each element by:

SOAPBody m_soapBody.getElementsByTagName("FinalValueFee1").item(0).getTextContent();

How should i pick the currencyID for each one of them?