/*****


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 cOpacity, nOpacity, nIndex;
var zInterval = null, current=0, pause=false, interval=3000;

function so_init() 
 {
	if(!d.getElementById || !d.createElement) return;
	
	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=0;i<imgs.length;i++)
	 {
	 	 imgs[i].xOpacity = 0;
	 } 
	imgs[0].style.display = "block";
	imgs[0].xOpacity = 1;
	
	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[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	imgs[nIndex].style.display = "block";
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) 
	  {
		 imgs[current].style.display = "none";
		 imgs[current].xOpacity = 0;
		 imgs[nIndex].xOpacity = 1;
		 current = nIndex;
		 setTimeout(so_xfade,interval);
	  } 
	 else 
	 	{
		 setTimeout(so_xfade,50);
	  }
 }
	
function setOpacity(obj) 
	{
		// if(obj.xOpacity>1) 
		//  {
		//	obj.xOpacity = 0;
		//  }

		obj.style.filter =	'-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=' + obj.xOpacity*100 + ')"';
		obj.style.filter = "alpha(opacity=" + obj.xOpacity*100 + ")";
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		
	}