dharFr

<script language="javascript" type="text/javascript">
function formUploadCallback (result) {
    console.log("Upload OK:", result);
    alert('Upload OK');
}
</script>
<form target="upload_target" action="upload.php" enctype="multipart/form-data" method="post">
File: <input name="myfile" type="file" />
<input name="submitBtn" type="submit" value="Submit" />
</form>

dharFr

/**
 * $.unserialize
 *
 * Takes a string in format "param1=value1&param2=value2" and returns an object { param1: 'value1', param2: 'value2' }. 
 * If the "param1" ends with "[]" the param is treated as an array.
 * 
 * Parses the value as String, Int or Boolean
 * @todo: parseFloat could also be useful I guess.
 * 
 * Example: