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;

	css = d.createElement('link');
	css.setAttribute('href','Resources/Lib/slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);

	imgs = d.getElementById('slideshow').getElementsByTagName('img');
	for (i=1; i<imgs.length; i++)
		imgs[i].xOpacity = 0;

	imgs[0].style.display = 'block';
	imgs[0].xOpacity = 1.0;

	setTimeout(so_xfade, 5000);
}

function so_xfade()
{
	nIndex = imgs[current + 1] ? current + 1 : 0;
	
	if (nIndex > 0)
	{	
		nOpacity = imgs[nIndex].xOpacity;
	
		nOpacity += .05;
	
		imgs[nIndex].style.display = 'block';
		imgs[nIndex].xOpacity = nOpacity;
	
		setOpacity(imgs[nIndex]);
	
		if (nOpacity >= 1.0)
		{
			imgs[current].style.display = 'none';
			imgs[current].xOpacity = 0;
			setOpacity(imgs[current]);
			
			current = nIndex;
			setTimeout(so_xfade, 5000);
		}
		else
		{
			setTimeout(so_xfade, 50);
		}
	}
	else
	{
		imgs[0].style.display = 'block';
		imgs[0].xOpacity = 1.0;	
		setOpacity(imgs[0]);
		
		cOpacity = imgs[current].xOpacity;
		cOpacity -= .05;
		
		imgs[current].style.display = 'block';
		imgs[current].xOpacity = cOpacity;		
		
		setOpacity(imgs[current]);
	
		if (cOpacity <= 0.0)
		{
			imgs[current].style.display = 'none';
			imgs[current].xOpacity = 0;
			setOpacity(imgs[current]);
			
			current = nIndex;
			setTimeout(so_xfade, 5000);
		}
		else
		{
			setTimeout(so_xfade, 50);
		}		
	}

	function setOpacity(obj)
	{
		if (obj.xOpacity >= 1.0)
			obj.xOpacity = 1.0;

		if (obj.xOpacity <= 0.0)
			obj.xOpacity = 0.0;

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}

/*
function so_xfade_orig()
{
	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,5000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj)
	{
		if(obj.xOpacity>.99)
		{
			obj.xOpacity = 1.0;
			return;
		}

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}
*/
