var softXMLLib = new SoftXMLLib();
softXMLLib.loadXML(xmlString);
if(softXMLLib.loadXMLError!=0){
alert("Invalid XML file!");
}
else{
var myDocAttr = softXMLLib.getDocAttributes();
for(var i=0;i<myDocAttr.length;i++){
//use nodeName to get name of attribute and nodeValue to get attribute's value
alert(myDocAttr[i].nodeName + "=" + myDocAttr[i].nodeValue);
}
}