/*
	Image Cross Fade Redux
	Version 1.0
	Last revision: 02.15.2006
	steve@slayeroffice.com

	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 xfade_d=document, xfade_imgs = new Array(), xfade_zInterval = null, xfade_current=0, xfade_pause=false;

function so_init()
{
	if(!xfade_d.getElementById || !xfade_d.createElement)return;

	css = xfade_d.createElement('link');
	css.setAttribute('href','slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	xfade_d.getElementsByTagName('head')[0].appendChild(css);

	xfade_imgs = xfade_d.getElementById('rotator').getElementsByTagName('img');
	for(i=1;i<xfade_imgs.length;i++) xfade_imgs[i].xOpacity = 0;
	xfade_imgs[0].style.display = 'block';
	xfade_imgs[0].xOpacity = .99;

	setTimeout(so_xfade,3000);
}

function so_xfade()
{
	cOpacity = xfade_imgs[xfade_current].xOpacity;
	nIndex = xfade_imgs[xfade_current+1]?xfade_current+1:0;
	nOpacity = xfade_imgs[nIndex].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	xfade_imgs[nIndex].style.display = 'block';
	xfade_imgs[xfade_current].xOpacity = cOpacity;
	xfade_imgs[nIndex].xOpacity = nOpacity;

	setOpacity(xfade_imgs[xfade_current]);
	setOpacity(xfade_imgs[nIndex]);

	if(cOpacity<=0)
	{
		xfade_imgs[xfade_current].style.display = 'none';
		xfade_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) + ')';
	}
}