/*****
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;
var imgs = new Array();
var imgs2 = new Array();
var imgs3 = new Array();
var zInterval = null;
var waitTimes1 = 3000;
var waitTimes2 = 3000;
var waitTimes3 = 1000;
var startTime1 = Math.random() * 2000 + waitTimes1;
var startTime2 = Math.random() * 2000 + waitTimes2;
var startTime3 = Math.random() * 2000 + waitTimes3;
var current=0;
var current2=0;
var current3=0;
var pause=false;
var ixx=1;
var ixx2=1;
var ixx3=1;

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

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

	if (d.getElementById("imageContainer")) {
		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,startTime1);
	}

	if (d.getElementById("imageContainer2")) {
		imgs2 = d.getElementById("imageContainer2").getElementsByTagName("img");
		for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
		imgs2[0].style.display = "block";
		imgs2[0].xOpacity = .99;
		setTimeout(so_xfade2,startTime2);
	}

	if (d.getElementById("imageContainer3")) {
		imgs3 = d.getElementById("imageContainer3").getElementsByTagName("img");
		for(i=1;i<imgs3.length;i++) imgs3[i].xOpacity = 0;
		imgs3[0].style.display = "block";
		imgs3[0].xOpacity = .99;
		setTimeout(so_xfade3,startTime3);
	}

}

function so_xfade() {
	var nextTime = Math.random() * 2000 + waitTimes1;
	cOpacity = imgs[current].xOpacity;
//	nIndex = imgs[ixx]?ixx:0;
	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,nextTime);
	} else {
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			ixx = Math.random() * imgs.length;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}

}

function so_xfade2(sTime) {
	var nextTime = Math.random() * 2000 + waitTimes2;
 	cOpacity = imgs2[current2].xOpacity;
//	nIndex = imgs2[ixx2]?ixx2:0;
	nIndex = imgs2[current2+1]?current2+1:0;
	nOpacity = imgs2[nIndex].xOpacity;

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

	imgs2[nIndex].style.display = "block";
	imgs2[current2].xOpacity = cOpacity;
	imgs2[nIndex].xOpacity = nOpacity;

	setOpacity(imgs2[current2]);
	setOpacity(imgs2[nIndex]);

	if(cOpacity<=0) {
		imgs2[current2].style.display = "none";
		current2 = nIndex;
		setTimeout(so_xfade2,nextTime);
	} else {
		setTimeout(so_xfade2,50);
	}

	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			ixx2 = Math.random() * imgs2.length;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}

}

function so_xfade3(sTime) {
	var nextTime = Math.random() * 2000 + waitTimes3;
 	cOpacity = imgs3[current3].xOpacity;
//	nIndex = imgs3[ixx3]?ixx3:0;
	nIndex = imgs3[current3+1]?current3+1:0;
	nOpacity = imgs3[nIndex].xOpacity;

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

	imgs3[nIndex].style.display = "block";
	imgs3[current3].xOpacity = cOpacity;
	imgs3[nIndex].xOpacity = nOpacity;

	setOpacity(imgs3[current3]);
	setOpacity(imgs3[nIndex]);

	if(cOpacity<=0) {
		imgs3[current3].style.display = "none";
		current3 = nIndex;
		setTimeout(so_xfade3,nextTime);
	} else {
		setTimeout(so_xfade3,50);
	}

	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			ixx3 = Math.random() * imgs3.length;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}

}