var XML = function()
{

}

XML.DOMs = ["MSXML2.DOMDocument", "MSXML.DOMDocument", "Microsoft.XmlDom"];

XML.getDOM = function()
{
	var DOM = null;
	for(var i=0; i < XML.DOMs.length; i++)
	{
		try
		{
			var DOMName = XML.DOMs[i];
			DOM  = new ActiveXObject(DOMName);
			DOM.async = true;
			break;
		} 
		catch(ex)
		{
			DOM = null;
		}
	}
	return DOM;
}

XML.getNumber = function(xn)
{
	return Number(xn.firstChild.nodeValue);
}

XML.getString = function(xn)
{
	return xn.firstChild.nodeValue;
}

var  isIE  =   !! document.all;

function  parseXML(st){
	if (isIE){
	var  result  =   XML.getDOM();
	result.loadXML(st);
	} else {
	var  parser  =   new  DOMParser();
	var  result  =  parser.parseFromString(st,  "text/xml");
	}
	return  result;
}

if ( ! isIE){
     var  ex;
    XMLDocument.prototype.__proto__.__defineGetter__("xml",  function (){
         try {
             return   new  XMLSerializer().serializeToString( this );
        } catch (ex){
             var  d  =  document.createElement("div");
            d.appendChild( this .cloneNode( true ));
             return  d.innerHTML;
        }
    });
    Element.prototype.__proto__.__defineGetter__("xml",  function (){
         try {
             return   new  XMLSerializer().serializeToString( this );
        } catch (ex){
             var  d  =  document.createElement("div");
            d.appendChild( this .cloneNode( true ));
             return  d.innerHTML;
        }
    });
    XMLDocument.prototype.__proto__.__defineGetter__("text",  function (){
         return   this .firstChild.textContent
    });
    Element.prototype.__proto__.__defineGetter__("text",  function (){
         return   this .textContent
    });

    XMLDocument.prototype.selectSingleNode = Element.prototype.selectSingleNode = function (xpath){
         var  x = this .selectNodes(xpath)
         if ( ! x  ||  x.length < 1 ) return   null ;
         return  x[ 0 ];
    }
    XMLDocument.prototype.selectNodes = Element.prototype.selectNodes = function (xpath){
         var  xpe  =   new  XPathEvaluator();
         var  nsResolver  =  xpe.createNSResolver( this .ownerDocument  ==   null   ? 
             this .documentElement :  this .ownerDocument.documentElement);
         var  result  =  xpe.evaluate(xpath,  this , nsResolver,  0 ,  null );
         var  found  =  [];
         var  res;
         while  (res  =  result.iterateNext())
            found.push(res);
         return  found;
    }
}