XML DOM logon page?

i was wondering if it is possible to create a logon page using the information stored in XML document as shown
<?xml version = "1.0"?>
<LIST>

<USER>
<NAME>
<LAST_NAME></LAST_NAME>
<FIRST_NAME></FIRST_NAME>
</NAME>

<LOG_IN_DETAILS>
<USERNAME></USERNAME>
<PASSWORD></PASSWORD>
</LOG_IN_DETAILS>

<ADDRESS>
<HOUSE_NUMBER></HOUSE_NUMBER>
<STREET_NAME></STREET_NAME>
<TOWN></TOWN>
<POSTCODE></POSTCODE>
</ADDRESS>

<CONTACT_NUMBERS>
<DAYTIME_NUMBER></DAYTIME_NUMBER>
<EVENING_NUMBER></EVENING_NUMBER>
<MOBILE_NUMBER></MOBILE_NUMBER>
</CONTACT_NUMBERS>

<DATE_OF_BIRTH>
<DAY></DAY>
<MONTH></MONTH>
<YEAR></YEAR>
</DATE_OF_BIRTH>

<SEX></SEX>


</USER>


can i do this using javascript and XML and the DOM?
help i am a beginner