function XmlElement(node)
{
	this.me = node;
	this.IsMozilla = ((document.implementation != null) && (typeof document.implementation.createDocument == "function"));	
	this.text = "";	
	
	this.Init = function ()
	{		
		if (this.IsMozilla)
		{
			if (this.me)
			{
				this.text = this.me.textContent;			
			}
		}
		else
		{	
			if (this.me)
			{		
				this.text = this.me.text;
			}
		}	
	}
	
	this.getAttribute = function (name)
	{
		if (this.IsMozilla)
		{	
			var s = this.me.attributes.getNamedItem(name);
			if (s) return s.textContent;
			else return "";
		}
		else
		{
			return this.me.getAttribute(name);
		}
	}	
	
	this.Init();
}

function XmlIterator(nodes)
{
	this.IsMozilla = ((document.implementation != null) && (typeof document.implementation.createDocument == "function"));	
	this.collection = nodes;
	this.iref = -1;
	this.Current = null;
	
	this.Next = function ()
	{
		var elm;
		if (this.IsMozilla)
		{
			var node = this.collection.iterateNext();
			if (node) elm = new XmlElement(node);			
			else elm = null;
		}
		else
		{
			this.iref++;
			if (this.iref<this.collection.length) elm = new XmlElement(this.collection[this.iref]);
			else elm = null;
		}		
		this.Current = elm;
		return elm;
	}
}

function XML()
{
	this.parser = null;
	this.IsMozilla = false;
	this.root = null;

	this.selectSingleNode = function (expr)
	{
		if (this.IsMozilla)
		{
			var XPathResult = this.parser.evaluate(expr,this.parser,null,9,null);
			this.root = null;			
			return new XmlElement(XPathResult.singleNodeValue);
		}
		else
		{
			var e = this.parser.selectSingleNode(expr);			
			return new XmlElement(e);
		}
	}
	
	this.selectNodes = function (expr)
	{
		if (this.IsMozilla)
		{
			this.root = new XmlIterator(this.parser.evaluate(expr,this.parser,null,4,null));		 			
			//alert(this.root);
			return this.root;
		}
		else
		{
			this.root = new XmlIterator(this.parser.selectNodes(expr));
			return this.root;
		}
	}		
	
	this.LoadXML = function (s)
	{
		if (this.IsMozilla) this.parser = this.parser.parseFromString(s, "text/xml");
		else this.parser.loadXML(s);
	}
	
	this.Init = function()
	{
		if ((document.implementation != null) && (typeof(document.implementation.createDocument) == "function")) 
		{   
			 this.parser = new DOMParser();
			 this.IsMozilla = true;
		}
		else
		{
			this.parser = new ActiveXObject('MSXML2.DOMDocument.3.0');
			this.parser.setProperty('SelectionLanguage', 'XPath');
		}
	}
	
	this.Init();
	
}