$(document).ready(function() {
    var options = {
        target:        '#output',
        beforeSubmit:  showRequest,
        success:       showResponse
    };
    $('#commenta').ajaxForm(options);
});
function showRequest(formData, jqForm, options) {
    var queryString = $.param(formData);
    return true;
}
function showResponse(responseText, statusText)  {}

// Facebook Connect
function update_user_box()
{
    var user_box = document.getElementById("user");
    user_box.innerHTML = "<span>"
    + "<fb:profile-pic uid=loggedinuser facebook-logo=true></fb:profile-pic>"
    + "Benvenuto, <fb:name uid=loggedinuser useyou=false></fb:name>.<br /> Sei ora loggato con il tuo account Facebook."
    + "</span><br class='clear' /><input type=\"hidden\" name=\"facebook-request\" value=\"true\" />" // because this is XFBML, we need to tell Facebook to re-process the document
    + "<a title=\"Logout from Facebook\" style=\"float:right;margin-top:-35px\" href=\"#\" onclick=\"FB.Connect.logout(function() { window.location.reload(); }); return false;\" ><img id=\"fb_logout_image\" src=\"http://static.ak.fbcdn.net/images/fbconnect/logout-buttons/logout_small.gif\" alt=\"Logout\"/></a><br class='clear' />";

    FB.XFBML.Host.parseDomTree();
    $('#login_button').hide();
}

function refresh_captcha(){
    var currentTime = new Date();
    $("#captcha").attr("src","captcha.php?"+currentTime.getTime());
    $('#captchatxt').attr("value","");
}