//window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);

var d=document,currentIndex={"SuiteContainer":0, "MosaicSuiteContainer":0};

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	
	css = d.createElement("link");
	css.setAttribute("href","css/xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
    
	d.getElementsByTagName("head")[0].appendChild(css);
    
    initImageContainer("SuiteContainer");
    initImageContainer("MosaicSuiteContainer");
    
	setTimeout('so_xfade("SuiteContainer")', 3000);
    setTimeout('so_xfade("MosaicSuiteContainer")', 3000);
}

function initImageContainer(containerName) {
    if (d.getElementById(containerName)) {
        var imgs = d.getElementById(containerName).getElementsByTagName("img");
        for(i=1;i<imgs.length;i++) {
            imgs[i].xOpacity = 0;
            imgs[i].style.display = "none";
        }
        if (imgs.length > 0) {
            imgs[0].style.display = "block";
            imgs[0].xOpacity = .99;
            
            d.getElementById(containerName).style.height = imgs[0].height;
        } 
    }
}

function so_xfade(container) {
    var imgs = d.getElementById(container).getElementsByTagName("img");
    var current = currentIndex[container];
    
    var cOpacity = imgs[current].xOpacity;
    var nIndex = imgs[current+1]?current+1:0;
    var nOpacity = imgs[nIndex].xOpacity;
    
    cOpacity-=.05; 
    nOpacity+=.05;
    
    d.getElementById(container).style.height = imgs[nIndex].height; 
    
    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";
        currentIndex[container] = nIndex;
        setTimeout('so_xfade("' + container + '")', 3000);
    } else {
        setTimeout('so_xfade("' + container + '")',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) + ")";
}