Using xmldom setAttribute to update a specific node

I'm new to XML and so setAttribute may not be the right method to use, but how do I add a new node-level attribut to a node. For example, given the following node (which is one of many nodes), how do I add an xyz attribute with an "abc" value.

<class name="Quote" abstract="no" version="1.0">
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Martin LissOlder than dirtAsked:
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edmund_mitchellConnect With a Mentor Commented:
Hello MartinLiss

Here is an example from a website:
The original XML
<?xml version="1.0"?>
<note time="12:03:46">
     <to>Tove</to>
     <from>Jani</from>
     <heading>Reminder</heading>
     <body>Don't forget me this weekend!</body>
</note>

The XML after setting the attribute
<?xml version="1.0"?>
<note time="12:03:46" year="2000">
     <to>Tove</to>
     <from>Jani</from>
     <heading>Reminder</heading>
     
the code:

<html>
<body>
<script type="text/vbscript">

set xmlDoc=CreateObject("Microsoft.XMLDOM")
xmlDoc.async="false"
xmlDoc.load("note.xml")

document.write("The original XML")
document.write("<xmp>" & xmldoc.xml & "</xmp>")

set x=xmlDoc.getElementsByTagName("note")
call x.item(0).setAttribute("year","2000")

document.write("The XML after setting the attribute")
document.write("<xmp>" & xmldoc.xml & "</xmp>")

</script>
</body>
</html>

It's an example from http://www.w3schools.com/dom/tryit.asp?filename=try_dom_setattribute

HTH

Edmund

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