Upload a file from a form to a servlet using dojo

Hi everyone!.

First of all, sorry about my english :).

I really need your help. I'm deeply stuck doing a proyect, and I can't see the light at the end of de tunnel.

That's my problem:

I need to upload a XML file from the client to the server without refreshing the page. I have a servlet in the server side to manage this file, using the FileUpload class from Apache. Everything is j2ee, servlets, jsp... and of course, dojo.

This file is introduced in a form. I try to upload it in that way, I change the code in a million different ways, but I can't fix the problem. Here's a part from the code:

Here's the scripts:

dojo.require("dojo.io.*");

function submitCSSTML() {

var params = Object();
params.method = "POST";
params.url = "servlets/personalTest";
params.formNode = document.getElementById("personaltestform");

dojo.io.bind(params);

}

function personalTest() {

var XHR = getXMLHttpRequest();

}

And here's the form:

<form name="personaltestform" action="#" method="POST" enctype="multipart/form-data">

<label for="HTML">Documento HTML: </label>
<input type="file" name="HTML" id="HTML" accept="text/plain"/>

<label for="CSS">Documento CSS: </label>
<input type="file" name="CSS" id="CSS" accept="text/plain"/>

<label for="CSSTML">Documento CSSTML: </label>
<input type="file" name="CSSTML" id="CSSTML" accept="text/plain" onchange="javascript:submitCSSTML()"/>

<p id="formsubmit">
<input type="submit" value="Test"></input>

</form>

Anyone can help me?, any suggestion, idea... I'll be very thankful

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Upload a file from a form to a servlet using dojo