/*
	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, imgs2dim = new Array(), imgCounters = new Array(), zInterval = null, current=0, pause=false, opacity=.99, nextOpacity = 0;

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);

	imgs2dim[0] = new Array(); 
	imgs2dim[0] = d.getElementById('rotator').getElementsByTagName('img');
	imgCounters[0] = 0;

	var addsDivs = d.getElementById('adds').getElementsByTagName('div');

	for(var i=0;i<addsDivs.length;i++)
	{
		imgs2dim[i+1] = addsDivs[i].getElementsByTagName('img');
		imgCounters[i+1] = 0;
	}



	/*fade all not first images*/
	for(var j=0; j<imgs2dim.length; j++)
	{
		var imgs = imgs2dim[j];

		for(var k=1; k<imgs.length; k++) imgs[k].xOpacity = 0;
		imgs[0].style.display = 'block';
		imgs[0].xOpacity = .99;
	}

	setTimeout(so_xfade, 3000);
}

function so_xfade()
{
	opacity-=.05;
	nextOpacity+=.05;

	for(var k = 0; k < imgs2dim.length; k++)
	{
		var nCurrent = imgCounters[k];
		var nIndex = imgs2dim[k][nCurrent+1] ? nCurrent+1 : 0;
		imgs2dim[k][nIndex]
		imgs2dim[k][nIndex].style.display = 'block';
		imgs2dim[k][nCurrent].xOpacity = opacity;
		imgs2dim[k][nIndex].xOpacity = nextOpacity;

		setOpacity(imgs2dim[k][nCurrent]);
		setOpacity(imgs2dim[k][nIndex]);
		if(opacity <= 0)
		{
			imgs2dim[k][nCurrent].style.display = 'none';
			imgCounters[k] = nIndex;
		}

	}


	if(opacity<=0)
	{
		setTimeout(so_xfade,3000);
		opacity = .99;
		nextOpacity = 0;
	
	}
	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) + ')';
	}
}