var activeSlide = 1;
var timeoutId;
var fadeInterval = 300;
var slideInterval = 10000; // milisecond
var slideImages = ["slider-desktop-training.jpg", "slider-have-a-walk-on-us.jpg", "slider-professional-development.jpg", "slider-skills-professional.jpg"]; //, "slider-training-professional-australia.jpg", "slider-registered-training-australia.jpg"];

function showSlide(slideId) {
    clearTimeout(timeoutId);
    $('#slider').fadeOut(fadeInterval, function() { $("#slider").attr("style", "background: #fff url(/content/images/" + slideImages[slideId -1] + ") no-repeat;"); });
    $('#slider').fadeIn(fadeInterval);
    $("#slider-buttons > a.selected").removeClass("selected");
    $("#slider-button-" + slideId).addClass("selected");
    $("#slider-button-" + slideId).blur();
    activeSlide = slideId;
    timeoutId = setTimeout("playSlide()", slideInterval);
    return false;
};

function playSlide() {
    activeSlide = activeSlide + 1;
    if (activeSlide > $("#slider-buttons > a").length) activeSlide = 1;
    showSlide(activeSlide);
}

timeoutId = setTimeout("playSlide()", slideInterval);