window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var imgs = new Array(), zInterval = null, current=0, pause=false;
var timeoutLaunch = false;

function so_init()
{
	if(!document.getElementById || !document.createElement)return;
	if(document.getElementById('rotator')) {
		css = document.createElement('link');
		css.setAttribute('href','css/slideshow.css');
		css.setAttribute('rel','stylesheet');
		css.setAttribute('type','text/css');
		document.getElementsByTagName('head')[0].appendChild(css);

		imgs = document.getElementById('rotator').getElementsByTagName('img');
		for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
		imgs[0].style.display = 'block';
		imgs[0].xOpacity = .99;
		document.getElementById('rotator').width = imgs[0].width + "px";
		document.getElementById('rotator').style.width = imgs[0].width + "px";
		document.getElementById('rotator').height = imgs[0].height + "px";
		document.getElementById('rotator').style.height = imgs[0].height + "px";
		timeoutLaunch = true;
		setTimeout(so_xfade,3000);
	}
}

function so_xfade()
{
	if(document.getElementById('rotator')) {
		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;
			document.getElementById('rotator').width = imgs[current].width + "px";
			document.getElementById('rotator').style.width = imgs[current].width + "px";
			document.getElementById('rotator').height = imgs[current].height + "px";
			document.getElementById('rotator').style.height = imgs[current].height + "px";
			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) + ')';
	}
}