3.
<script language=javascript>
var fso, f, f1, fc, s;
fso = new ActiveXObject("Scripting.FileSystemObject");
f = fso.GetFolder("c:\\windows");
fc = new Enumerator(f.files);
s = "";
for (; !fc.atEnd(); fc.moveNext())
{
s += fc.item();
s += "<br>";
}
document.write(s);
</script>