var slides = new Array();

function show() {
        document.images.slides.src = slides[current].src;
}

function loadSlides() {
        for (i=0; i < pictures.length; i++) {
                slides[i] = new Image();
                slides[i].src = pictures[i];
        }
        show();
}

function next() {
        current++;
        if (current >= pictures.length)
                current = 0;
                
        show();
}
function previous() {
        current--;
        if (current < 0)
                current = pictures.length - 1;
                
        show();
}