how to extract values from an XML document using Javascript

[sobi123]

I am trying to extract values from the xml document and print them.I also want to count the number of children(child nodes)each node has.That is the first tag has 2 child and second tag has 3.THIS IS THE XML DOCUMENT\[code\]<?xml version="1.0" ?> <A> <a1>a1</a1> <a2>a2</a2> <B> <C>2</C> <C>3</C> </B> <B> <C>4</C> <C>5</C> <C>6</C> </B> </A>\[/code\]THIS IS MY JAVASCRIPT DOCUMENT\[code\]if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); }else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }xmlhttp.open("GET","extractexample.xml",false);xmlhttp.send();xmlDoc=xmlhttp.responseXML;xmlObj=xmlDoc.documentElement;document.write(xmlDoc.getElementsByTagName("B")[0].childNodes[0].nodeValue);\[/code\]