/*
	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(), imgsvini = new Array(), zInterval = null, current=0, currentvini=0, pause=false;

function so_init()
{
	if(!d.getElementById || !d.createElement)return;

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

	if (document.getElementById('rotator') != null) {

	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_xfade1,3000);

	}

	if (document.getElementById('rotatorvini') != null) {

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

	setTimeout(so_xfadevini,3000);
	
	}

}

function so_xfade1()
{
	cOpacity = imgs[current].xOpacity;
	nIndexvini = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndexvini].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgs[nIndexvini].style.display = 'block';
	imgs[current].xOpacity = cOpacity;
	imgs[nIndexvini].xOpacity = nOpacity;

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

	if(cOpacity<=0)
	{
		imgs[current].style.display = 'none';
		current = nIndexvini;
		setTimeout(so_xfade1,3000);
	}
	else
	{
		setTimeout(so_xfade1,50);
	}

	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) + ')';
	}


}

function so_xfadevini()
{
	cOpacity = imgsvini[currentvini].xOpacity;
	nIndexvini = imgsvini[currentvini+1]?currentvini+1:0;
	nOpacity = imgsvini[nIndexvini].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgsvini[nIndexvini].style.display = 'block';
	imgsvini[currentvini].xOpacity = cOpacity;
	imgsvini[nIndexvini].xOpacity = nOpacity;

	setOpacityvini(imgsvini[currentvini]);
	setOpacityvini(imgsvini[nIndexvini]);

	if(cOpacity<=0)
	{
		imgsvini[currentvini].style.display = 'none';
		currentvini = nIndexvini;
		setTimeout(so_xfadevini,3000);
	}
	else
	{
		setTimeout(so_xfadevini,50);
	}

	function setOpacityvini(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) + ')';
	}


}