/*****

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


*****/


if (window.addEventListener) {
  window.addEventListener("load",so_init,false);
} else {
  window.attachEvent("onload",so_init);
}

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;
var imgs2 = new Array(), current2 = 0;
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);

  var container_1 = d.getElementById("imageContainer");
  if (container_1 != null) {
    imgs = container_1.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);
  }

  var container_2 = d.getElementById("imageContainer2");
  if (container_2 != null) {
	  imgs2 = container_2.getElementsByTagName("img");
  	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
  	imgs2[0].style.display = "block";
  	imgs2[0].xOpacity = .99;
    setTimeout(so_xfade_2,2000);
  }
}

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) + ")";
	}
}

function so_xfade_2() {
	cOpacity = imgs2[current2].xOpacity;
	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_xfade_2,2000);
	} else {
		setTimeout(so_xfade_2,50);
	}
	
	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) + ")";
	}
}