var currsl = 0;
$().ready(function(){
    $("#slider .imgs").hide();
    $("#slider .imgs:first").show();
    var countImgs = $("#slider .imgs").length;
    var sltimer = window.setInterval(function(){
        currsl++;
        if (currsl >= countImgs) currsl = 0;
        changeSlider();
    },4000);

    $("a#slider-right").click(function(e){
        e.preventDefault();
        window.clearInterval(sltimer);
        currsl++;
        if (currsl >= countImgs) currsl = 0;
        changeSlider();
    });

    $("a#slider-left").click(function(e){
        e.preventDefault();
        window.clearInterval(sltimer);
        currsl--;
        if (currsl < 0) currsl = countImgs-1;
        changeSlider();
    });
});

function changeSlider()
{
    $("#slider .imgs").fadeOut(300);
    $("#slider .imgs:eq("+currsl+")").fadeIn(600);
}