javascript problem

Hi all,
I have a javascript below:

var oFilteredXML = new ActiveXObject( "Msxml2.DOMDocument.4.0" );
	var oTempXML = new ActiveXObject( "Msxml2.DOMDocument.4.0" );

	bSuccess = oFilteredXML.loadXML( "<calls></calls>" );

	var oRoot = oFilteredXML.firstChild;


	oTempXML = oCallsXML.selectNodes( sFilterString );

	oChildNode = oTempXML.nextNode;

	while( oChildNode != null )
	{
		oChildNewnode = oChildNode.cloneNode(true);

	    oRoot.appendChild( oChildNewnode );
		oChildNode = oTempXML.nextNode;
	}

	document.all.callDiv.innerHTML = oFilteredXML.documentElement.xml;
	document.all.callDiv.innerHTML = oFilteredXML.transformNode(
oCallsXSL.documentElement );



What i want to do is add some code in here before appending.
That is (pseudo-code below):

//is oChildNode a DJ
//is oChildNode's djDRID(attribute of DJ) in oTempXML

		//do not append
	//else
		//append
	//end if
//else
//append
//end

How can i achieve it? If possible just write the code which perfomes the
pseudo-code above.

Thanks in advance



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