function loadXML(file) {
if(document.implementation && document.implementation.createDocument) {
    
        var req = new XMLHttpRequest();
        req.open("GET", file, false);
        req.send(null);
        xmlDoc = req.responseXML;
     
    } 
	else if(typeof window.ActiveXObject != 'undefined') {
        //load xml file
        xmlDoc = new ActiveXObject('Microsoft.XMLDOM');   
        xmlDoc.async = false;   
        xmlDoc.load(file);  

   }

}