/*

	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;

var fadetime = 3000;

function so_init()

{

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



	imgs = d.getElementById('ja_header_jsfade').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,fadetime);

}



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,fadetime);

	}

	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) + ')';

	}

}