/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com

*****/


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

var d=document, imgs, imgs1 = new Array(), imgs2 = new Array(), imgs3 = new Array(), zInterval = null, current, current1=0, current2=0, current3=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);
	
	imgs1 = d.getElementById("imageContainer1").getElementsByTagName("div");
	for(i=1;i<imgs1.length;i++) imgs1[i].xOpacity = 0;
	imgs1[0].style.display = "block";
	imgs1[0].xOpacity = .99;
	
	imgs2 = d.getElementById("imageContainer2").getElementsByTagName("div");
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
	imgs2[0].style.display = "block";
	imgs2[0].xOpacity = .99;
	
	imgs3 = d.getElementById("imageContainer3").getElementsByTagName("div");
	for(i=1;i<imgs3.length;i++) imgs3[i].xOpacity = 0;
	imgs3[0].style.display = "block";
	imgs3[0].xOpacity = .99;
	
	imgs = imgs1;
	current = current1;
	
	setTimeout(so_xfade,1000);
}

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;
		setWhichImages();
		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) + ")";
	}
}

function setWhichImages() {
			if (imgs == imgs1) {
				current1 = current;
				current = current3;
				imgs = imgs3;
			}
			else if (imgs == imgs3) {
				current3 = current;
				current = current2;
				imgs = imgs2;
			}
			else {
				current2 = current;
				current = current1;
				imgs = imgs1;
			}
}