/*****

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

	// DON'T FORGET TO GRAB THIS FILE AND PLACE IT ON YOUR SERVER IN THE SAME DIRECTORY AS THE JAVASCRIPT!
	// http://slayeroffice.com/code/imageCrossFade/xfade2.css
	css = d.createElement("link");
	css.setAttribute("href","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);

	imgs   = d.getElementById("imageContainer").getElementsByTagName("img");
	banner = d.getElementById("imageContainer").getElementsByTagName("div");

	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;

	for(i=1;i<banner.length;i++) banner[i].xOpacity = 0;
	banner[0].style.display = "block";
	banner[0].xOpacity = .7;

	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;
	//-->
	banner[nIndex].style.display = "block";
	banner[current].xOpacity     = cOpacity;
	banner[nIndex].xOpacity      = nOpacity;

	setOpacity(imgs[current]);
	setOpacity(imgs[nIndex]);

	setOpacityBanner(banner[current]);
	setOpacityBanner(banner[nIndex]);


	if(cOpacity<=0)
	{
		imgs[current].style.display = "none";
		banner[current].style.display = "none";

		current = nIndex;
		setTimeout(so_xfade,3000);
	}
	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 setOpacityBanner(obj)
	{
		if(obj.xOpacity>.70)
		{
			obj.xOpacity = .70;
			return;
		}
		obj.style.opacity    = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter     = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
}