Sample code for reading xml files under JS under IE

function createDom() {
var xmlDoc = null;
try { //IE
if (typeof != 'string') {
var versions = [
".6.0",
".3.0",
"",
""
];
var i,
len;
for (i = 0, len = ; i < len; ++i) {
try {
new ActiveXObject(versions[i]);
= versions[i];
break;
} catch (ex) {
// ignore
}
}
}
xmlDoc = new ActiveXObject();
} catch (ex) { // other
xmlDoc = ("", "", null);
}
return xmlDoc;
}