slider = new Array();
big = new Array();
big["width"] = 280;
big["height"] = 245;
big["height2"] = big["height"] + 28;
small = new Array();
small["width"] = 80;
small["height"] = 70;
small["height2"] = small["height"] + 28;
font = new Array();
font["big"] = 16;
font["small"] = 12;
timer = -1;

function equilibrate() {
    $('#slider ul li').each(function (i) {
        d = Math.abs(actual - i);
        var a = $(this);
        var img = a.children('a').children('img');
        var ttl = a.children('.imtitle');
        switch (d) {
            case 0:
                img.animate({ width: big["width"], height: big["height"] });
                a.animate({ width: big["width"], height: big["height2"], 'margin-top': '0' }, function () { ttl.css({ 'font-size': font["big"] + 'px' }); });
                showtext(a.attr('id').substr(5));
                break;
            case 1:
                ttl.css({ 'font-size': font["small"] + 'px' });
                //if (a.css('display') == 'none') {
                if (slider[i] == 1) {
                    slider[i] = 0;
                    a.css({ display: 'inline', width: '0px', height: '0px', 'margin-top': '53px' });
                    img.css({ width: '0px', height: '0px' });
                    ttl.css({ opacity: '0' });
                }
                img.animate({ width: small["width"], height: small["height"] }, function () { ttl.fadeTo(500, 1); });
                a.animate({ width: small["width"], height: small["height2"], 'margin-top':'53px'  });
                break;
            default:
                if (slider[i] != 1) {
                    slider[i] = 1;
                    a.hide('fast');
                }
                break;
        }
    });
    directlink();
    rotate();
}
function actual_change(diff) {
    if (actual + diff > 0 && actual + diff < max) {
        actual = actual + diff;
        return true;
    }
    return false;
};
function check_change(diff) {
    if (actual + diff > 0 && actual + diff < max) {
        //actual = actual + diff;
        return true;
    }
    return false;
};
function directlink() {
    $('#directlink').attr('href', location.href.replace(location.search, '') + '?show=' + actual);
}
$(document).ready(function () {
    var requete = location.search.substring(1);
    var tab_paires = requete.split("&");
    var tab_elts = new Array();
    for (var i = 0; i < tab_paires.length; i++) {
        temp = tab_paires[i].split("=");
        tab_elts[temp[0]] = unescape(temp[1]);
    }

    $('#slider ul').css('overflow', 'hidden');
    $('#slider ul').prepend('<li><a><img src="/_assets/images/vide.png" alt="" /></a></li>');
    max = $('#slider ul li').size();

    i = (tab_elts["show"]) ? parseInt(tab_elts["show"]) : 0;
    actual = (!isNaN(i) && i > 0 && i < max) ? i : 1;

    $('#slider ul li .text').appendTo("#texts");
    $('#slider ul li').each(function (i) {
        d = Math.abs(actual - i);
        var a = $(this);
        var img = a.children('a').children('img');
        var ttl = a.children('.imtitle');
        switch (d) {
            case 0:
                ttl.css({ 'font-size': font["big"] + 'px' });
                img.css({ width: big["width"] + 'px', height: big["height"] + 'px' });
                a.css({ height: big["height2"] + 'px' });
                showtext(a.attr('id').substr(5));
                break;
            case 1:
                img.css({ width: small["width"] + 'px', height: small["height"] + 'px' });
                a.css({ width: small["width"] + 'px', height: small["height2"] + 'px', 'margin-top': '53px' });
                break;
            default:
                a.css({ display: 'none', width: '0px', height: '0px', 'margin-top': '53px' });
                break;
        }
    });
    $('#butleft').click(function () {
        if (actual_change(-1)) {
            equilibrate();
            if (check_change(-1)) {
                //do nothing, just check to see if we are at the end!
                $(this).css('visibility', 'visible');
                $('#butright').css('visibility', 'visible');
            }
            else {
                $(this).css('visibility', 'hidden');
                $('#butright').css('visibility', 'visible');
            }
        }
        timer_stop();
        return false;
    });
    $('#butright').click(function () {
        if (actual_change(+1)) {
            equilibrate();
            if (check_change(+1)) {
                $(this).css('visibility', 'visible');
                $('#butleft').css('visibility', 'visible');
            }
            else {
                $(this).css('visibility', 'hidden');
                $('#butleft').css('visibility', 'visible');
            }
        }
        timer_stop();
        return false;
    });
    $('#playpause').click(function () {
        var a = $('#playpause').children('img').attr('src');
        var a = a.split("/");
        if (a[a.length - 1] == 'pause.png') {
            timer_stop();
        }
        else {
            next();
            timer = window.setInterval("next()", 2200);
            $('#playpause').children('img').attr('src', 'images/pause.png');
        }

        return false;
    });
    $('#slider ul li a').click(function () {
        timer_stop();
    });
    /*
    $('#slider').mousewheel(function(objEvent, intDelta){
    if (intDelta > 0) {
    if (actual_change(-1))
    equilibrate();
    }
    else if (intDelta < 0) {
    if (actual_change(+1))
    equilibrate();
    }
    return false;
    });
    */
    //timer = window.setInterval("next()", 3000);
});
function timer_stop() {
    /*var a = $('#playpause').children('img').attr('src');
    var a = a.split("/");
    if (a[a.length - 1] == 'pause.png') {
        $('#playpause').children('img').attr('src', 'images/playred.png'); *//* ou play.png */
    //    window.clearInterval(timer);
    //}
}
function next() {
    if (actual_change(+1))
        equilibrate();
}
function rotate() {
    //alert(max + ' ' + actual + ' ' + (max - actual));
    /*
    if (actual < (max / 2)) {
    var a = $('#slider ul li').eq(max-1).remove();
    $('#slider ul').prepend(a);
    actual = actual + 1;
    }
    */
    /*
    if (diff < 0) {
    var a = $('#slider ul li:last').remove();
    $('#slider ul').prepend(a);
    }
    else {
    var a = $('#slider ul li:first').remove();
    $('#slider ul').append(a);
    }
    */
}

function showtext(id) {
    $('#texts .text').each(function (i) {
        if ($(this).css('display') != 'none')
        //$(this).fadeOut('fast');
            $(this).hide();
    });
    $('#texts #text' + id).slideDown('slow');
}