var slideshowInterval;
var gradeSlideshowInterval;
$(document).ready(function () {
    //setTimeout(function () { positionPageElements(); }, 100);
    //goToSlide(0);
    //slideshowInterval = setInterval(function () { goToSlide(-1); }, 6000);
});


function positionPageElements() {
    var slideContainerPosition = $("#slideContainer").position();
    $("div.slide").css("top", (slideContainerPosition.top) + "px");
    $("div.slide").css("left", (slideContainerPosition.left) + "px");
}

var currentSlideIndex = 0;
function goToSlide(slideIndex) {
    $("#slide" + currentSlideIndex).fadeOut(1000);
    if (slideIndex >= 0) {
        currentSlideIndex = slideIndex;
        clearInterval(slideshowInterval);
    } else {
        currentSlideIndex = (currentSlideIndex + 1) % numSlides;
    }
    $("#slide" + currentSlideIndex).fadeIn(1000);
}