/*
	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, ncelda = new Array(),pause=false;
function cambiar_color_over(celda){ 
   celda.style.backgroundColor="#D1E7FC";
} 
function cambiar_color_out(celda){ 
   celda.style.backgroundColor="#F4F9FC"; 
}
function so_init()
{
	if(!d.getElementById || !d.createElement)return;

	css = d.createElement('link');
	css.setAttribute('href','slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);
	
	ncelda[0] = d.getElementById('titrotator1');
	ncelda[1] = d.getElementById('titrotator2');
	ncelda[2] = d.getElementById('titrotator3');
	cambiar_color_over(ncelda[0]);
	  // d.getElementById('titrotator1').style.backgroundColor='#D1E7FC' ;
	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,3000);
	
}

function so_xfade()
{
	
	
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;
	color_div = "#D1E7FC";
	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,3000);
	}
	else
	{
		
	
		setTimeout(so_xfade,1);
	}

	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*1000) + ')';
		
	}
	if ( nIndex > 0){
	
cambiar_color_out(ncelda[nIndex-1]);
	cambiar_color_over(ncelda[nIndex]);	
}
if ( nIndex == 0){
	
cambiar_color_out(ncelda[2]);
	cambiar_color_over(ncelda[nIndex]);	
}
}