Создание полноэкранной галереи

<div id="tf_loading" class="tf_loading"></div>

<div id="tf_bg" class="tf_bg">
    <img src="/images/1.jpg" alt="Image 1" longdesc="images/thumbs/1.jpg" />
    <img src="/images/2.jpg" alt="Image 2" longdesc="images/thumbs/2.jpg"/>
    <img src="/images/3.jpg" alt="Image 3" longdesc="images/thumbs/3.jpg"/>
    <img src="/images/4.jpg" alt="Image 4" longdesc="images/thumbs/4.jpg"/>
    <img src="/images/5.jpg" alt="Image 5" longdesc="images/thumbs/5.jpg"/>
    <img src="/images/6.jpg" alt="Image 6" longdesc="images/thumbs/6.jpg"/>
    <div class="tf_pattern"></div>
</div>

<div id="tf_content_wrapper" class="tf_content_wrapper">
    <div class="tf_content" id="content1" style="display:block;">
        <h2>Dreamer</h2>
        <p>Far far away, behind the word mountains, ... </p>
    </div>
    <div class="tf_content" id="content2">
        ...
    </div>
    ...
</div>

<div id="tf_thumbs" class="tf_thumbs">
    <span id="tf_zoom" class="tf_zoom"></span>
    <img src="/images/thumbs/1.jpg" alt="Thumb1"/>
</div>

<div id="tf_next" class="tf_next"></div>
<div id="tf_prev" class="tf_prev"></div>

.tf_bg{
    width:100%;
    height:100%;
    position:fixed;
    top:0px;
    left:0px;
}

.tf_bg img{
    position:absolute;
    top:0px;
    left:0px;
    width:100%;
    z-index: 1;
    display:none;
}

.tf_pattern{
    position:absolute;
    width:100%;
    height:100%;
    background:transparent url(../images/pattern.png) repeat top left;
    z-index:2;
}

.tf_content{
    position:absolute;
    bottom:50px;
    left:50px;
    z-index:10;
    display:none;
}

.tf_content h2{
    color:#fff;
    font-size:90px;
    padding:0;
    margin:0;
    font-family: 'Dancing Script', arial, serif;
    text-shadow:1px 1px 2px #000;
}

.tf_content p{
    color:#fff;
    padding:0;
    margin:0;
    background:transparent url(../images/bg_content.png) repeat top left;
    padding:40px;
    width:500px;
    font-family: 'PT Sans Narrow', arial, serif;
    font-size:20px;
    line-height:25px;
    text-transform:uppercase;
    text-shadow:2px 2px 1px #000;
    -moz-box-shadow:1px 1px 5px #202020;
    -webkit-box-shadow:1px 1px 5px #202020;
    box-shadow:1px 1px 5px #202020;
    border:4px solid #fff;
}

.tf_thumbs{
    position:absolute;
    z-index:12;
    right:50px;
    top:50%;
    margin-top:-79px;
    border:4px solid #fff;
    -moz-box-shadow:1px 1px 5px #202020;
    -webkit-box-shadow:1px 1px 5px #202020;
    box-shadow:1px 1px 5px #202020;
    -webkit-box-reflect:
        below 5px
        -webkit-gradient(
            linear,
            left top,
            left bottom,
            from(transparent),
            color-stop(0.6, transparent),
            to(rgb(18, 18, 18))
        );
}
.tf_thumbs img{
    display:block;
}

.tf_next,
.tf_prev{
    width:35px;
    height:14px;
    position:absolute;
    top:50%;
    right:320px;
    z-index:100;
    cursor:pointer;
    background:transparent url(../images/nav.png) no-repeat top left;
    opacity:0.5;
}
.tf_next{
    background-position:0px -14px;
    margin-top:80px;
}
.tf_prev{
    background-position:0px 0px;
    margin-top:-55px;
}
.tf_next:hover,
.tf_prev:hover{
    opacity:0.9;
}

.tf_zoom,
.tf_fullscreen{
    width:20px;
    height:20px;
    position:absolute;
    top:6px;
    right:6px;
    cursor:pointer;
    z-index:100;
    opacity:0.6;
    background:transparent url(../images/icons.png) no-repeat top left;
}
.tf_zoom{
    background-position:0px -20px;
}
.tf_fullscreen{
    background-position:0px 0px;
}
.tf_zoom:hover,
.tf_fullscreen:hover{
    opacity:0.9;
}

.tf_loading{
    position:fixed;
    top:50%;
    left:50%;
    margin:-30px 0px 0px -30px;
    width:60px;
    height:60px;
    background:#fff url(../images/loader.gif) no-repeat center center;
    z-index:999;
    opacity:0.7;
}

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>
<script type="text/javascript" src="/js/jquery.flip.js"></script>
<script type="text/javascript" src="/js/jquery-mousewheel-3.0.4/jquery.mousewheel.min.js"></script>

(function($) {
    $.fn.preload = function(options) {
        var opts    = $.extend({}, $.fn.preload.defaults, options);
        o           = $.meta ? $.extend({}, opts, this.data()) : opts;
        var c       = this.length,
            l       = 0;
        return this.each(function() {
            var $i  = $(this);
            $('').load(function(i){
                ++l;
                if(l == c) o.onComplete();
            }).attr('src',$i.attr('src'));
        });
    };
    $.fn.preload.defaults = {
        onComplete  : function(){return false;}
    };
})(jQuery);

var $tf_bg              = $('#tf_bg'),
    $tf_bg_images       = $tf_bg.find('img'),
    $tf_bg_img          = $tf_bg_images.eq(0),
    $tf_thumbs          = $('#tf_thumbs'),
    total               = $tf_bg_images.length,
    current             = 0,
    $tf_content_wrapper = $('#tf_content_wrapper'),
    $tf_next            = $('#tf_next'),
    $tf_prev            = $('#tf_prev'),
    $tf_loading         = $('#tf_loading');

$tf_bg_images.preload({
    onComplete  : function(){
        $tf_loading.hide();
        init();
    }
});

function init(){
    //получаем размеры изображения в зависимости от размеров экрана
    var dim = getImageDim($tf_bg_img);
    //ставим значения переменным и показываем изображение
    $tf_bg_img.css({
        width   : dim.width,
        height  : dim.height,
        left    : dim.left,
        top     : dim.top
    }).fadeIn();

    //изменение размеров экрана меняет $tf_bg_img
    $(window).bind('resize',function(){
        var dim = getImageDim($tf_bg_img);
        $tf_bg_img.css({
            width   : dim.width,
            height  : dim.height,
            left    : dim.left,
            top     : dim.top
        });
    });

    //расширяем изображение на весь экран
    $('#tf_zoom').live('click',
    function(){
        if($tf_bg_img.is(':animated'))
            return false;

        var $this   = $(this);
        if($this.hasClass('tf_zoom')){
            resize($tf_bg_img);
            $this.addClass('tf_fullscreen')
            .removeClass('tf_zoom');
        }
        else{
            var dim = getImageDim($tf_bg_img);
            $tf_bg_img.animate({
                width   : dim.width,
                height  : dim.height,
                top     : dim.top,
                left    : dim.left
            },350);
            $this.addClass('tf_zoom')
            .removeClass('tf_fullscreen');
        }
    }
    );

    //клик на стрелку вниз
    $tf_next.bind('click',function(){
        if($tf_bg_img.is(':animated'))
            return false;
        scroll('tb');
    });

    //клик на стрелку вверх
    $tf_prev.bind('click',function(){
        if($tf_bg_img.is(':animated'))
            return false;
        scroll('bt');
    });

    //события мыши - down / up 
    $(document).mousewheel(function(e, delta) {
        if($tf_bg_img.is(':animated'))
            return false;

        if(delta > 0)
            scroll('bt');
        else
            scroll('tb');
        return false;
    });

    //события клавиатуры - down / up
    $(document).keydown(function(e){
        if($tf_bg_img.is(':animated'))
            return false;

        switch(e.which){
            case 38:
                scroll('bt');
                break;  

            case 40:
                scroll('tb');
                break;
        }
    });
}

function scroll(dir){
    current = (dir == 'tb')?current + 1:current - 1;

    //мы хотим сделать круговую галерею
    if(current == total) current = 0;
    else if(current < 0) current = total - 1;

    $tf_thumbs.flip({
        direction   : dir,
        speed       : 400,
        onBefore    : function(){
            //выставляем новую миниатюру
            var content = '';
            content     +='

function resize($img){
    var w_w = $(window).width(),
    w_h = $(window).height(),
    i_w = $img.width(),
    i_h = $img.height(),
    r_i = i_h / i_w,
    new_w,new_h;

    if(i_w > i_h){
        new_w   = w_w;
        new_h   = w_w * r_i;

        if(new_h > w_h){
            new_h   = w_h;
            new_w   = w_h / r_i;
        }
    }
    else{
        new_h   = w_w * r_i;
        new_w   = w_w;
    }

    $img.animate({
        width   : new_w + 'px',
        height  : new_h + 'px',
        top     : '0px',
        left    : '0px'
    },350);
}

function getImageDim($img){
    var w_w = $(window).width(),
    w_h = $(window).height(),
    r_w = w_h / w_w,
    i_w = $img.width(),
    i_h = $img.height(),
    r_i = i_h / i_w,
    new_w,new_h,
    new_left,new_top;

    if(r_w > r_i){
        new_h   = w_h;
        new_w   = w_h / r_i;
    }
    else{
        new_h   = w_w * r_i;
        new_w   = w_w;
    }

    return {
        width   : new_w + 'px',
        height  : new_h + 'px',
        left    : (w_w - new_w) / 2 + 'px',
        top     : (w_h - new_h) / 2 + 'px'
    };
}

<link href='http://fonts.googleapis.com/css?family=PT+Sans+Narrow' rel='stylesheet' type='text/css' />
<link href='http://fonts.googleapis.com/css?family=Dancing+Script' rel='stylesheet' type='text/css' />