/*****

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,interval=4000, firstTime=true;

function so_init() {
		if(!d.getElementById || !d.createElement)return;
	
		/*css = d.createElement("link");
		css.setAttribute("href","js/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,interval);

}

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 && firstTime) {
 //alert("cOpacity <=0"+cOpacity);
 imgs[current].style.display = "none";
 current = nIndex;
 setTimeout(so_xfade,interval);
 firstTime=false
} else {
 if(firstTime){
  setTimeout(so_xfade,50);
 } else {
  imgs[nIndex].style.display = "none";
 }
}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	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) + ")";
	}
	
}
