xml to json javascript

1// Changes XML to JSON
2function xmlToJson(xml) {
3	
4	// Create the return object
5	var obj = {};
6
7	if (xml.nodeType == 1) { // element
8		// do attributes
9		if (xml.attributes.length > 0) {
10		obj["@attributes"] = {};
11			for (var j = 0; j < xml.attributes.length; j++) {
12				var attribute = xml.attributes.item(j);
13				obj["@attributes"][attribute.nodeName] = attribute.nodeValue;
14			}
15		}
16	} else if (xml.nodeType == 3) { // text
17		obj = xml.nodeValue;
18	}
19
20	// do children
21	if (xml.hasChildNodes()) {
22		for(var i = 0; i < xml.childNodes.length; i++) {
23			var item = xml.childNodes.item(i);
24			var nodeName = item.nodeName;
25			if (typeof(obj[nodeName]) == "undefined") {
26				obj[nodeName] = xmlToJson(item);
27			} else {
28				if (typeof(obj[nodeName].push) == "undefined") {
29					var old = obj[nodeName];
30					obj[nodeName] = [];
31					obj[nodeName].push(old);
32				}
33				obj[nodeName].push(xmlToJson(item));
34			}
35		}
36	}
37	return obj;
38};