/*
	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, 
	imgs = new Array(), 
	zInterval = null, 
	current=0, 
	pause=false,
	bandera = false,
	valor = 0,
	nIndex = 0,
	tiempo = 0,
	counter = 0;

		
function setNIndex(v){	
	
	setTimeout(so_xfade,1000);
	
}
	
function so_init()
{

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

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

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

	setTimeout(so_xfade,5000);
	
}

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;

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

		if(cOpacity<=0)
		{
			imgs[current].style.display = 'none';
			current = nIndex;
			tiempo = setTimeout(so_xfade,5000);
			
		}
		else
		{
			tiempo = 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) + ')';
		}
	
}