$(function() {
        $("#sortable1, #sortable2").sortable({
             update: function(element, ui) {
                var d = $(this).attr('class');
                var result = $(this).sortable("serialize");
                $.post("sort.php",result,function(data){ $("#ser").html(data); }, "text");
                //$("#ser").html(result);        
             }
        });

        var $tabs = $("#tabs").tabs();

        var $tab_items = $("ul:first li",$tabs).droppable({
            accept: ".connectedSortable li",
            hoverClass: "ui-state-hover",
            drop: function(ev, ui) {
                var $item = $(this);
                var $list = $($item.find('a').attr('href')).find('.connectedSortable');

                ui.draggable.hide('slow', function() {
                    $tabs.tabs('select', $tab_items.index($item));
                    $(this).appendTo($list).show('slow');
                });
            }
        });
    });

<div id="ser" style="width: 100%; font-size: 15px;">

</div>

<div id="tabs">
    <ul>
        <li><a href="#tabs-1">Z wakacji</a></li>
        <li><a href="#tabs-2">Samochody</a></li>

    </ul>
    <div id="tabs-1">
        <ul id="sortable1" class="connectedSortable ui-helper-reset">
            <li class="ui-state-default">Item 1</li>

            <li class="ui-state-default">Item 2</li>
            <li class="ui-state-default">Item 3</li>
            <li class="ui-state-default">Item 4</li>

            <li class="ui-state-default">Item 5</li>
        </ul>
    </div>
    <div id="tabs-2">

        <ul id="sortable2" class="connectedSortable ui-helper-reset">
            <li class="ui-state-highlight">Item 1</li>
            <li class="ui-state-highlight">Item 2</li>

            <li class="ui-state-highlight">Item 3</li>
            <li class="ui-state-highlight">Item 4</li>
            <li class="ui-state-highlight">Item 5</li>

        </ul>
    </div>
</div>

var result = $(this).sortable("serialize");
                $.post("sort.php",result,function(data){ $("#ser").html(data); }, "text");