/*
	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(),imgs3 = new Array(), zInterval = null, current=0, current3=0, current4=0, current5=0, pause=false;

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

	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_xfade,2000);

	imgs3 = d.getElementById('rotator3').getElementsByTagName('img');
	for(i=1;i<imgs3.length;i++) imgs3[i].xOpacity = 0;
	imgs3[0].style.display = 'block';
	imgs3[0].xOpacity = .99;

	setTimeout(so_xfade3,4000);

	imgs4 = d.getElementById('rotator4').getElementsByTagName('img');
	for(i=1;i<imgs4.length;i++) imgs4[i].xOpacity = 0;
	imgs4[0].style.display = 'block';
	imgs4[0].xOpacity = .99;

	setTimeout(so_xfade4,6000);

	imgs5 = d.getElementById('rotator5').getElementsByTagName('img');
	for(i=1;i<imgs5.length;i++) imgs5[i].xOpacity = 0;
	imgs5[0].style.display = 'block';
	imgs5[0].xOpacity = .99;

	setTimeout(so_xfade5,8000);
}

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

	nOpacity+=.05;
	cOpacity-=.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,10000);
	}
	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) + ')';
	}
}

function so_xfade3()
{
	cOpacity = imgs3[current3].xOpacity;
	nIndex = imgs3[current3+1]?current3+1:0;
	nOpacity = imgs3[nIndex].xOpacity;

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

	imgs3[nIndex].style.display = 'block';
	imgs3[current3].xOpacity = cOpacity;
	imgs3[nIndex].xOpacity = nOpacity;

	setOpacity(imgs3[current3]);
	setOpacity(imgs3[nIndex]);

	if(cOpacity<=0)
	{
		imgs3[current3].style.display = 'none';
		current3 = nIndex;
		setTimeout(so_xfade3,10000);
	}
	else
	{
		setTimeout(so_xfade3,50);
	}

	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_xfade4()
{
	cOpacity = imgs4[current4].xOpacity;
	nIndex = imgs4[current4+1]?current4+1:0;
	nOpacity = imgs4[nIndex].xOpacity;

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

	imgs4[nIndex].style.display = 'block';
	imgs4[current4].xOpacity = cOpacity;
	imgs4[nIndex].xOpacity = nOpacity;

	setOpacity(imgs4[current4]);
	setOpacity(imgs4[nIndex]);

	if(cOpacity<=0)
	{
		imgs4[current4].style.display = 'none';
		current4 = nIndex;
		setTimeout(so_xfade4,10000);
	}
	else
	{
		setTimeout(so_xfade4,50);
	}

	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_xfade5()
{
	cOpacity = imgs5[current5].xOpacity;
	nIndex = imgs5[current5+1]?current5+1:0;
	nOpacity = imgs5[nIndex].xOpacity;

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

	imgs5[nIndex].style.display = 'block';
	imgs5[current5].xOpacity = cOpacity;
	imgs5[nIndex].xOpacity = nOpacity;

	setOpacity(imgs5[current5]);
	setOpacity(imgs5[nIndex]);

	if(cOpacity<=0)
	{
		imgs5[current5].style.display = 'none';
		current5 = nIndex;
		setTimeout(so_xfade5,10000);
	}
	else
	{
		setTimeout(so_xfade5,50);
	}

	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) + ')';
	}
}