jQuery Forum

Hy,
i want to pass a parametre, but does not function
error message dispalyed by fir bug : $("#fichier").upload is not a function     

script:

$(function() {
    $('#upload_button').click(function() {
        $("#fichier").upload('../Controller/document.php',{task:"upload"}, function(retour) {
                if(retour == '1'){
                    $('#result').html("Upload réussi");
                }
                else{
                    $('#result').html("L'upload a échoué");
                }
        }, 'html');
    });
});

HTML
<label for="fichier">Fichier </label><input name="fichier" type="file" id="fichier">
<input value="Upload" id="upload_button" type="button">
<div id="result" ></div>