var Ft = Ft || {};

Ft.sliderChangeInterval = 4000;
Ft.sliderChangeDelay = 5000;

Ft.slider = function (){
    $('.slider:visible').each(function(){
        $(this).fadeOut(Ft.sliderChangeInterval,function(){
            var nastepny=$(this).next().length;
            if(nastepny=='0'){
                $('.slider:first').fadeIn(Ft.sliderChangeInterval);
            }else{
                $(this).next().fadeIn(Ft.sliderChangeInterval);
            }
        });
    });
}

Ft.intervalSlider = function()
{

    $('#zawartosc_lewa').coinslider({ width: 328, navigation: false, delay: Ft.sliderChangeDelay });
    $('.slider:first').fadeIn(Ft.sliderChangeInterval);
    setInterval(function(){
        Ft.slider();
    },Ft.sliderChangeDelay);

};