// X2O: XmlToObject-ObjectToXml
// Version 1.0
//
// Funciones:
// 		X2O_XML2Obj(xmlObject)
// 		X2O_Obj2XML(obj, rootName)
//		X2O_SendObject(obj, xmlName, url, onReplyHandle, debug)
_global.X2O_XML2Obj = function(xmlObject) {
	var obj = new Object();
	var node = xmlObject.firstChild;
	_parseXML2Obj(node, obj);
	return obj;
}
_global.X2O_Obj2XML = function(obj, rootName) {
	var auxXml = new XML();
	if (rootName == null) {
		rootName = "root";
	}
	child = new XMLNode(1, rootName);
	auxXml.appendChild(child);
	_objectToXML(obj, child);
	return auxXml;
}
_global.X2O_SendObject = function(obj, xmlName, url, onReplyHandler, debug) {
	var _xml;
	if (xmlName==null)
		xmlName = "obj";
	_xml = X2O_Obj2XML(obj, xmlName);

	_xml._onReplyHandler = onReplyHandler;
	_xml.ignoreWhite = true;
	_xml.contentType = 'text/xml';
	if (debug) {
		_xml.send(url, "1");
	} else {
		_xml.sendAndLoad(url, _xml);
	}
	_xml.onLoad = function() {
		var _replyObj;
		_replyObj = X2O_XML2Obj(this);
		this._onReplyHandler(_replyObj);
	}
}


_global._parseXML2Obj = function(node, obj) {
	var child;
	var prop;
	for (prop in node.attributes) {
		obj[prop] = node.attributes[prop];
	}
	child = node.firstChild;
	while (child) {
		if (obj[child.nodeName] != null) {
			var len = obj[child.nodeName].length;
			if (obj[child.nodeName].length == null) {
				var aux = obj[child.nodeName];
				obj[child.nodeName] = new Array();
				obj[child.nodeName][0] = aux;
				len = 1;
			}
			obj[child.nodeName][len] = new Object();
			_parseXML2Obj(child, obj[child.nodeName][len]);
		} else {
			obj[child.nodeName] = new Object();
			_parseXML2Obj(child, obj[child.nodeName]);
		}
		child = child.nextSibling;
	}
}
_global._objectToXML = function(obj, node) {
	var i;
	var prop;
	//attributos e hijos
	for (prop in obj) {
		if (!isNaN(Number(prop))) {
			continue;
		}
		if (typeof (obj[prop]) == "object") {
			//hijo
			if (obj[prop].length == null) {
				var child = new XMLNode(1, prop);
				_objectToXML(obj[prop], child);
				node.appendChild(child);
			} else {
				for (i=0; i<obj[prop].length; i++) {
					var child = new XMLNode(1, prop);
					_objectToXML(obj[prop][i], child);
					node.appendChild(child);
				}
			}
		} else {
			escape;
			//atributo
			node.attributes[prop] = obj[prop];
		}
	}
}