function slideScroller() {
    var leftPos = $('#container').position().left;
    while ((-leftPos) > $('#container li:first-child + li').position().left) {
         leftPos += $('#container li:first-child + li').attr('offsetLeft');
        $('#container').append($('#container li:first-child').remove());
    }
    leftPos -= 2;
    $('#container').css('left', leftPos);
}

$(function() {
    $('body').addClass('hasjs');
    $('#nav').dropmenu({
        effect: 'slide',
        nbsp: true
    });
    window.timerSlideScroller = setInterval("slideScroller()", 50);
});