function acc(){
    $active=$('#accordion').children('li.active');
    $next=$active.next();
    if($next.html()==null){
        $next=$('#accordion').children('li:first');
    }
    $active.removeClass('active');
    $next.addClass('active');
    setInterval("acc()",5000);
}
$(document).ready(function () {
    $li = $('#accordion').children('li').size();
    $liwidth = $li * 40;
    $liwidth = 980 - $liwidth+40;
    $caption = $liwidth-26;
    $('#accordion').children('li:last').css('width', $liwidth).children('.caption').css('width', $caption).fadeIn();
    $('#accordion li a').click(function () {
        $(this).parent().parent().children('li').not($(this).parent()).animate({ width: '40px' }).children('.caption').fadeOut();
        $(this).parent().animate({ width: $liwidth });
        $(this).next('.caption').css('width', $caption).fadeIn();
        return false;
    });
});