function feedback() {}
$(document).ready(function() {
    /*
     * ogni tag con classe "toggle" diventa un toggle-button
     * che mostra nasconde l'elemento successivo
     */
    $(".toggle").each(function() {
        // nasconde il contenuto e aggiunge il supporto per il mostra/nascondi
        if($(this).attr('rel'))
            var target = $($(this).attr('rel'));
        else
            var target = $(this).next();
        var trigger = $(this);
        target.hide();
        trigger.addClass('trigger-collapsed');
        trigger.click(function() {
            target.toggle();
            if(target.is(":visible")) {
                trigger.removeClass('trigger-collapsed');
                trigger.addClass('trigger-expanded');
            }
            else {
                trigger.addClass('trigger-collapsed');
                trigger.removeClass('trigger-expanded');
            }
        });
    });

     $('.show-tooltip').each(function() {
         var e = $(this);
         var rel = e.attr('rel');
         var fx = jQuery.browser.msie ? "toggle" : "fade";
         
         e.tooltip({
             position: "bottom center",
             offset: [5, 0],
             predelay: 200,
             relative: e.hasClass('relative'),
             tip: rel ? rel : null,
             effect: fx,
             opacity: 0.9
         }).dynamic();
     });

    $('.trigger-overlay').each(function() {
        var e = $(this);
        var rel = e.attr('rel') || $('#global-overlay');
        var href = e.attr('href');
        e.overlay({
            target: rel,
            onBeforeLoad: function() {
                if(href && href != '#') {
                    var wrap = this.getOverlay().find(".contentWrap");
                    if(!wrap)
                        throw "to use a remote content the overlay must have a .contentWrap element";
                    wrap.load(this.getTrigger().attr("href"));
                }
            }
        });
    });
    $('form').each(function() {
        var i = $('.help-text', this).prev(':input');
        var relative = i.parents('.overlay').length != 0;
        i.tooltip({
            position: "center right",
            offset: [0, 10],
            effect: "fade",
            relative: relative,
            opacity: 0.9
        })
    });
});

$('html').ajaxSend(function(event, xhr, settings) {
    function getCookie(name) {
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
    if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
        // Only send the token to relative URLs i.e. locally.
        xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
    }
});