function loadXMLDoc(fileName){
	var xmlDoc;
	// code for IE
	if (window.ActiveXObject){
		xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
	}
	
	// code for Mozilla, Firefox, Opera, etc.
	else if (document.implementation && document.implementation.createDocument){
		xmlDoc=document.implementation.createDocument("","",null);
	}

	else{
		alert('Your browser cannot support the script!');
	}
	
	xmlDoc.async=false;
	xmlDoc.load(fileName);
	return(xmlDoc);
}