/*
	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 d=document, divs = new Array(), zInterval = null, current=0, pause=false;

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

	css = d.createElement('link');
	css.setAttribute('href','slideshow1.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);

	divs = d.getElementById('rotator').getElementsByTagName('div');
	for(i=1;i<divs.length;i++) divs[i].xOpacity = 0;
	divs[0].style.display = 'block';
	divs[0].xOpacity = .99;

	setTimeout(so_xfade,8500);
}

function so_xfade()
{
	cOpacity = divs[current].xOpacity;
	nIndex = divs[current+1]?current+1:0;
	nOpacity = divs[nIndex].xOpacity;
	
	cOpacity-=.05;
	nOpacity+=.05;

	divs[nIndex].style.display = 'block';
	divs[current].xOpacity = cOpacity;
	divs[nIndex].xOpacity = nOpacity;

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

	if(cOpacity<=0)
	{
		divs[current].style.display = 'none';
		current = nIndex;
		setTimeout(so_xfade,8500);
	}
	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) + ')';
	}
}