; (function ($) {
    $.fn.extend({
        "litenav": function (t) {
            var $this = $(this), i = 0, $pics = $('#newspic'), autochange = function () {
                var $currentpic = $pics.find('a:eq(' + (i + 1 === 7 ? 0 : i + 1) + ')');
                $currentpic.css({
                    visibility: 'visible',
                    display: 'block'
                }).siblings('a').css({
                    visibility: 'hidden',
                    display: 'none'
                });
                $pics.find('.nav>span:contains(' + (i + 2 > 7 ? 7 - i : i + 2) + ')').attr('class', 'cur').siblings('span').attr('class', 'normal');
                $('#newspictxt').html('<a target="_blank" href="' + $currentpic[0].href + '">' + $currentpic.find('img').attr('title') + '</a>');
                i = i + 1 === 7 ? 0 : i + 1;
            }, st = setinterval(autochange, t || 2000);
            $this.hover(function () {
                clearinterval(st);
            }, function () { st = setinterval(autochange, t || 2000) });
            $pics.find('.nav>span').click(function () {
                i = parseint($(this).text(), 10) - 2;
                autochange();
            });
        }
    });
}(jquery));