XML:
<States>
   <State ref="FL" const="27">
      <name>Florida</name>
      <capital>Tallahassee</capital>
   </State>
   <State ref="IA" const="29">
      <name>Iowa</name>
      <capital>Des Moines</capital>
   </State>
</States>

Code (VBScript):
Set objXMLDoc = CreateObject("Microsoft.XMLDOM")
objXMLDoc.async = False
objXMLDoc.load("states.xml")

Set LastState = objXMLDoc.documentElement.lastChild
Set RefAttr = LastState.getAttributeNode("ref")
document.write("Name: " & RefAttr.name)
document.write("<br>Value: " & RefAttr.value)

Output:
Name: ref
Value: IA