/*
	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;

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);*/

	//imgs = d.getElementById('rotator').getElementsByTagName('div');
	//imgs = d.getElementById('rotator').getElementsByClassName('rotatingHome');
	var allDivs = d.getElementById('rotator').getElementsByTagName('div');
	imgs = new Array();
	var i = 0;
	while (element = allDivs[i++]) {
  		if (element.className == "rotatingHome") {
			imgs[imgs.length] = element;
		}
	}
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	//imgs[0].style.display = 'block';
	imgs[0].xOpacity = .01;

	setTimeout(so_xfadein,100);
}

function so_xfadeout() {
	cOpacity = imgs[current].xOpacity;

	cOpacity-=.05;

	imgs[current].xOpacity = cOpacity;

	setOpacity(imgs[current]);

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

function so_xfadein() {
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;

	nOpacity+=.05;

	imgs[nIndex].style.display = 'block';
	imgs[nIndex].xOpacity = nOpacity;

	setOpacity(imgs[nIndex]);

	if(nOpacity>=.99) {
		current = nIndex;
		setTimeout(so_xfadeout,7000);
	} else {
		setTimeout(so_xfadein,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_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;
		setTimeout(so_xfade,7000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}
}