/*****
Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com
Please leave this notice intact. 
Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html
*****/

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;

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

    /*
    css = d.createElement("link");
    css.setAttribute("href", "styles/imagefading_2.css");
    css.setAttribute("rel", "stylesheet");
    css.setAttribute("type", "text/css");
    d.getElementsByTagName("head")[0].appendChild(css);
    */

    imgs = d.getElementById("imageContainer").getElementsByTagName("img");
    for (i = 1; i < imgs.length; i++) { /*alert(imgs[i]);*/imgs[i].xOpacity = 0; }
    imgs[0].style.display = "block";
    imgs[0].xOpacity = .99;

    setTimeout(so_xfade, so_xfade_speed);
}

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;
        setTimeout(so_xfade, so_xfade_speed);
    } else {
        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) + ")";
    }
}