var _ahead  =   {
    slide_width: 400,
    sticks: [],
    slide:  function(i_obj, i_dir)
    {
        var l_stick, l_left, l_pos, l_speed;

        switch(i_dir)
        {
        case 1:
        case 2:
            if (i_obj.width() > _ahead.slide_width) {
                l_speed =   (i_dir == 1) ? "normal" : 50;
                i_obj.animate({"left": "+=" + _ahead.slide_width + "px", "background-color":"#FF0000"}, l_speed, function(){
                    if (i_obj.position().left >= 0)
                    {
                        var l_newLeft   =   2 * _ahead.slide_width - i_obj.width();
                        i_obj.css('left', l_newLeft + 'px');
                    }
                });
            }
            break;
        
        case -1:
        case -2:
            if (i_obj.width() > _ahead.slide_width) {
                l_speed =   (i_dir == -1) ? "normal" : 50;
                i_obj.animate({"left": "-=" + _ahead.slide_width + "px", "background-color":"#FF0000"}, l_speed, function(){
                    var l_left;
//                    l_left  =   l_obj.css('left');
//                    l_left  =   l_left.replace(/[^0-9\-]/g, '');
//                    l_left  =   parseFloat(l_left);
                    l_left  =   i_obj.position().left;
                    if (l_left <=  _ahead.slide_width - i_obj.width())
                    {
                        var l_newLeft   =   - _ahead.slide_width;
                        i_obj.css('left', l_newLeft + 'px');
                    }
                });
            }
            break;
        }
    },
    incSlide:   0,
    
    slideAll:   function(){
        _ahead.incSlide   =   (_ahead.incSlide + 1) % _ahead.sticks.length;
        _ahead.slide(_ahead.sticks[_ahead.incSlide], -1);
    },

    init:   function()
    {
//        if (!$.browser.msie || $.browser.version.substr(0,1)=="8")
//        {
            $('.stick').each(function(){
                if ($(this).width() >  _ahead.slide_width) {
                    //$(this).css('left', '-' + _ahead.slide_width + 'px');
                    _ahead.sticks.push($(this));
                }
            });
            if (_ahead.sticks.length > 0) {
                setInterval(_ahead.slideAll,3000);
            }
//        }
//        else {
//            $('.stick').each(function(){
//                $(this).css('left', '0px');
//            });
//        }
        

    }
};

_ahead.init();