/*
	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, imgs1=new Array(), imgs2 = new Array();

function so_init()
{

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

	css = d.createElement('link');
	css.setAttribute('href','css/slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);

	imgs1 = d.getElementById('rotator').getElementsByTagName('img');
	imgs2= d.getElementById('rotator').getElementsByTagName('object');
	
//imgs = d.getElementById('rotator').getElementsByTagName('img');
	for(i=0;i<imgs1.length;i++){
			imgs[i] = imgs1[i];
	}
	for(j=0;j<imgs2.length;j++){
			imgs[i] = imgs2[j];
			i++;
	}
	
	
	for(i=1;i<imgs.length;i++) {
	
		imgs[i].xOpacity = 0;
	}
	
	imgs[0].style.display = 'block';
	imgs[0].xOpacity = .99;

	setTimeout(so_xfade,8000);
}

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;
		imgs[current].style.display = 'block';
		setTimeout(so_xfade,8000);
	}
	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) + ')';
	}
}