var pp_activecover = 0;
var pp_maxcover = 9;
var timer = 5000;

function overCover(){
    var index = $("#titles li").index(this);
    pp_activecover=index;
    showCover(index);
}

function outCover(){
    setTimer(true);
}

function showCover(show){
    var cover = $("#covers li").eq(show);
    var title = $("#titles li").eq(show);
    var related = "";
    cover.stop().fadeTo("normal",1);
    hideOtherCovers(show,"fade");
    title.addClass("selected");

    $('#headline').empty();
    $('#headline').removeClass('black-bg green-bg top');

    if (title.find('h3').data('headline') === undefined) {
        $('#headline').addClass('black-bg');
        $('#headline').html('<div class="related"></div><div class="title"></div><div class="subtitle"></div>');
        $("#headline .title").html('<a href="'+$("h3",title).parent().attr('href')+'" title="'+$("h3",title).parent().attr('title')+'">'+$("h3",title).html()+'</a>');
        $("#headline .subtitle").html($(".subtitle",title).html());
        related = $(".related",title).html();
        if (related) {
            $("#headline .related").html(related);
            $("#headline .related").show();
        } else {
            $("#headline .related").hide();
        }
    } else {
        $('#headline').addClass('green-bg');
        $('#headline').html('<a class="title" href="'+$("h3",title).parent().attr('href')+'"></a>');

        if (title.find('h3').data('position') !== '') {
            $('#headline').addClass('top');
        }

        if (title.find('h3').data('size') !== '') {
            $('#headline .title').addClass('big');
        }

        $('#headline .title').text(title.find('h3').data('headline'));
    }
};

function hideOtherCovers(show,mode){
    $("#covers li").each(function(index){
        if (index!=show && index!=pp_activecover) {
            if (mode=="fade")
                $(this).stop().fadeOut();
            else
                $(this).stop().hide();
            var title = $("#titles li").eq(index);
            title.removeClass("selected");
        };
    });
};

function initTitles(){
    var margin = 20;
    var maxHeight = $('#titles').outerHeight() - margin;
    var titlePosition = 0;
    $("#titles li").each(function(index){
        $(this).hover(overCover);
        titlePosition = $(this).position().top + $(this).outerHeight();
        if (titlePosition > maxHeight) {
            $(this).hide();
            pp_maxcover = pp_maxcover - 1;
        };
    });
    $("#headline").show();
};

function cycleCover(){
    pp_activecover = (pp_activecover < pp_maxcover - 1) ? pp_activecover + 1 : 0;
    showCover(pp_activecover);
};

function setTimer(mode){
    if (mode)
        $("#prima_pagina").everyTime(timer, cycleCover);
    else
        $("#prima_pagina").stopTime();
};

function initPrima(){
    pp_maxcover = $("#titles li").length;
    initTitles();
    hideOtherCovers(0,"hide");
    showCover(0);
    setTimer(true);
    $('#prima_pagina').hover(function () { setTimer(false); }, function () { setTimer(true); });
};