Puzzle

Pentru pagina pe care vreau sa o creez precum un puzzle

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
<div id="shell">
    <div class="puzzle">10</div>
    <div class="puzzle">1</div>
    <div class="puzzle">4</div>
    <div class="puzzle">7</div>
    <div class="puzzle">11</div>
    <div class="puzzle">2</div>
    <div class="puzzle">5</div>
    <div class="puzzle">8</div>
    <div class="puzzle">12</div>
    <div class="puzzle">6</div>
    <div class="puzzle">9</div>
    <div class="puzzle">3</div>
</div>

CSS

#shell {
    width:560px;
    height:420px;
    margin:0 auto;
}
.puzzle {
    width: 100px;
    height: 100px;
    line-height: 100px;
    text-align: center;
    background: #ebebeb;
    color: black;
    position: relative;
    float:left;
    margin:2px;
}

JavaScript

(function ($) {
    $.fn.drags = function (opt) {

        opt = $.extend({
            handle: "",
            cursor: "move"
        }, opt);

        if (opt.handle === "") {
            var $el = this;
        } else {
            var $el = this.find(opt.handle);
        }

        return $el.css('cursor', opt.cursor).on("mousedown", function (e) {
            if (opt.handle === "") {
                var $drag = $(this).addClass('draggable');
            } else {
                var $drag = $(this).addClass('active-handle').parent().addClass('draggable');
            }
            var z_idx = $drag.css('z-index'),
                drg_h = $drag.outerHeight(),
                drg_w = $drag.outerWidth(),
                pos_y = $drag.offset().top + drg_h - e.pageY,
                pos_x = $drag.offset().left + drg_w - e.pageX;
            $drag.css('z-index', 1000).parents().on("mousemove", function (e) {
                $('.draggable').offset({
                    top: e.pageY + pos_y - drg_h,
                    left: e.pageX + pos_x - drg_w
                }).on("mouseup", function () {
                    $(this).removeClass('draggable').css('z-index', z_idx);
                });
            });
            e.preventDefault(); // disable selection
        }).on("mouseup", function () {
            if (opt.handle === "") {
                $(this).removeClass('draggable');
            } else {
                $(this).removeClass('active-handle').parent().removeClass('draggable');
            }
        });

    }
})(jQuery);
$(document).ready(function () {
    $('#shell').sortable();

});