/*****

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;

function so_init( divId )
{
	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 divElement = d.getElementById( divId );
	if ( divElement )
	{
		imgs = divElement.getElementsByTagName("img");
		for (i=1; i<imgs.length; i++)
		{
			imgs[i].xOpacity = 0;
			imgs[i].style.display = "none";
		}
		imgs[0].style.display = "block";
		imgs[0].xOpacity = .99;
		
		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;
		setTimeout(so_xfade,1000);
	} 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) + ")";
	}
	
}