/*****
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","xfade2.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++) imgs[i].xOpacity = 0;
    imgs[0].style.display = "block";
    imgs[0].xOpacity = .99;
    
    setTimeout(so_xfade,2000);
}

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,2000);
    } 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) + ")";
    }
    
}
