I am a novice-intermediate programmer taking a stab at AJAX. While reading up on JavaScript I found it curious that most of the examples I\'ve been drawing on use PHP for su
Nope, Javascript is not allowed to access the filesystem at all, its a security restriction in the browser. The only way you can really do it is with ActiveX, but then your limiting yourself to using IE.
Edit: AS the above post states, it could be possible if your engine allowed it, however I don't know of one browser engine (which is what I asusme you are writing it for) that will allow you to.