// JScript File
window.addEventListener ? window.addEventListener('load', so_init, false) : window.attachEvent('onload', so_init);

var d = document, imgs = new Array(), zInterval = null, current = 0, pause = false;
var timeout = 3000;
var tid;
var btn;

function so_init() {
    if (!d.getElementById || !d.createElement) return;

    css = d.createElement('link');
    css.setAttribute('href', 'slideshow2.css');
    css.setAttribute('rel', 'stylesheet');
    css.setAttribute('type', 'text/css');
    d.getElementsByTagName('head')[0].appendChild(css);

    btn = d.getElementById('Button1');
    imgs = d.getElementById('rotator').getElementsByTagName('img');


    for (i = 1; i < imgs.length; i++) {
        imgs[i].xOpacity = 0;
    }

    imgs[0].style.display = 'block';
    imgs[0].xOpacity = .99;

    tid = setTimeout(so_xfade, timeout);
}

function toggle() {
    if (!pause) {
        pause = true;
        clearTimeout(tid);
        btn.value = ' Continue ';
    }
    else {
        pause = false;
        btn.value = ' Pause ';
        so_xfade();
    }
}


function so_xfade() {
    cOpacity = imgs[current].xOpacity;
    nIndex = imgs[current + 1] ? current + 1 : 0;
    nOpacity = imgs[nIndex].xOpacity;

    cOpacity -= .05;
    nOpacity += .05;

    imgs[nIndex].style.display = 'block';
    imgs[current].xOpacity = cOpacity;
    imgs[nIndex].xOpacity = nOpacity;

    setOpacity(imgs[current]);
    setOpacity(imgs[nIndex]);

    if (cOpacity <= 0) {
        imgs[current].style.display = 'none';
        current = nIndex;
        tid = setTimeout(so_xfade, timeout);
    }
    else {
        tid = setTimeout(so_xfade, 50);
    }

    function setOpacity(obj) {
        if (obj.xOpacity > .99) {
            obj.xOpacity = .99;
            return;
        }

        obj.style.opacity = obj.xOpacity;
        obj.style.MozOpacity = obj.xOpacity;
        obj.style.filter = 'alpha(opacity=' + (obj.xOpacity * 100) + ')';
    }
}