var zXml={
		useActiveX:(typeof ActiveXObject!="undefined"),
		useDom:document.implementation&&document.implementation.createDocument,
		useXmlHttp:(typeof XMLHttpRequest!="undefined")
};

zXml.ARR_XMLHTTP_VERS=["MSXML2.XmlHttp.5.0","MSXML2.XmlHttp.4.0","MSXML2.XmlHttp.3.0","MSXML2.XmlHttp","Microsoft.XmlHttp"];
zXml.ARR_DOM_VERS=["MSXML2.DOMDocument.5.0","MSXML2.DOMDocument.4.0","MSXML2.DOMDocument.3.0","MSXML2.DOMDocument","Microsoft.XmlDom"];

function zXmlHttp(){}

zXmlHttp.createRequest=function(){
	if(zXml.useXmlHttp){
		return new XMLHttpRequest();
	}else if(zXml.useActiveX){
		if(!zXml.XMLHTTP_VER){
			for(var i=0;i<zXml.ARR_XMLHTTP_VERS.length;i++){
				try{
					new ActiveXObject(zXml.ARR_XMLHTTP_VERS[i]);
					zXml.XMLHTTP_VER=zXml.ARR_XMLHTTP_VERS[i];
					break;
				}catch(oError){;}
			}
		}
		if(zXml.XMLHTTP_VER){
			return new ActiveXObject(zXml.XMLHTTP_VER);
		} else {
			throw new Error("Could not create XML HTTP Request.");
		}
	}else{
		throw new Error("Your browser doesn't support an XML HTTP Request.");
	}
};

zXmlHttp.isSupported=function(){
	return zXml.useXmlHttp||zXml.useActiveX;
};


var oMozDocument=null;

if(typeof XMLDocument!="undefined"){
	oMozDocument=XMLDocument;
}else if(typeof Document!="undefined"){
	oMozDocument=Document;
}

if(oMozDocument&&!window.opera){
	oMozDocument.prototype.__changeReadyState__=function(iReadyState){if(typeof this.onreadystatechange=="function"){this.onreadystatechange();}};
//	oMozDocument.prototype.__initError__=function(){this.parseError.errorCode=0;this.parseError.filepos=-1;this.parseError.line=-1;this.parseError.linepos=-1;this.parseError.reason=null;this.parseError.srcText=null;this.parseError.url=null;};
	oMozDocument.prototype.__initError__=function(){};
	oMozDocument.prototype.__checkForErrors__=function(){if(this.documentElement.tagName=="parsererror"){var reError=/>([\s\S]*?)Location:([\s\S]*?)Line Number(\d+),Column(\d+):<sourcetext>([\s\S]*?)(?:\-*\^)/;reError.test(this.xml);this.parseError.errorCode=-999999;this.parseError.reason=RegExp.$1;this.parseError.url=RegExp.$2;this.parseError.line=parseInt(RegExp.$3);this.parseError.linepos=parseInt(RegExp.$4);this.parseError.srcText=RegExp.$5;}};
	oMozDocument.prototype.loadXML=function(sXml){this.__initError__();this.__changeReadyState__(1);var oParser=new DOMParser();var oXmlDom=oParser.parseFromString(sXml,"text/xml");while(this.firstChild){this.removeChild(this.firstChild);}for(var i=0;i<oXmlDom.childNodes.length;i++){var oNewNode=this.importNode(oXmlDom.childNodes[i],true);this.appendChild(oNewNode);}this.__checkForErrors__();this.__changeReadyState__(4);};
	oMozDocument.prototype.__load__=oMozDocument.prototype.load;
	oMozDocument.prototype.load=function(sURL){this.__initError__();this.__changeReadyState__(1);this.__load__(sURL);};

	if(!window.Node) {
		var Node = {
			ELEMENT_NODE: 1,
			ATTRIBUTE_NODE: 2,
			TEXT_NODE: 3,
			CDATA_SECTION_NODE: 4,
			ENTITY_REFERENCE_NODE: 5,
			ENTITY_NODE: 6,
			PROCESSING_INSTRUCTION_NODE: 7,
			COMMENT_NODE: 8,
			DOCUMENT_NODE: 9,
			DOCUMENT_TYPE_NODE: 10,
			DOCUMENT_FRAGMENT_NODE: 11,
			NOTATION_NODE: 12
		}
	}
	Node.prototype.__defineGetter__("xml",function(){var oSerializer=new XMLSerializer();return oSerializer.serializeToString(this,"text/xml");});
	Node.prototype.__defineGetter__("text",function(){
		var sText="";
		for(var i=0;i<this.childNodes.length;i++){
			if(this.childNodes[i].hasChildNodes()){
				sText+=this.childNodes[i].text;
			} else{
				sText+=this.childNodes[i].nodeValue;
			}
		}
		return sText;
	});
}