/*
	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
	Adapted by Emakina
*/

window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, current1=0, current2=0, current3=0, pause=false;
var scrollerdelay = 4000;

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

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

	// rotator1
	if (d.getElementById('rotator1') != null)
	{
	imgs1 = d.getElementById('rotator1').getElementsByTagName('img');
	for(i=1;i<imgs1.length;i++) imgs1[i].xOpacity = 0;
	imgs1[0].style.display = 'block';
	imgs1[0].xOpacity = .99;
	}
	// rotator2
	imgs2 = d.getElementById('rotator2').getElementsByTagName('img');
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
	imgs2[0].style.display = 'block';
	imgs2[0].xOpacity = .99;
	// rotator3
	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_xfade, scrollerdelay);
}

function so_xfade()
{
	if (d.getElementById('rotator1') != null)
	{
	cOpacity1 = imgs1[current1].xOpacity;
	nIndex1 = imgs1[current1+1]?current1+1:0;
	nOpacity1 = imgs1[nIndex1].xOpacity;
	}
	
	cOpacity2 = imgs2[current2].xOpacity;
	nIndex2 = imgs2[current2+1]?current2+1:0;
	nOpacity2 = imgs2[nIndex2].xOpacity;
	
	cOpacity3 = imgs3[current3].xOpacity;
	nIndex3 = imgs3[current3+1]?current3+1:0;
	nOpacity3 = imgs3[nIndex3].xOpacity;
	
	if (d.getElementById('rotator1') != null)
	{
	cOpacity1-=.05;
	nOpacity1+=.05;
	}

	cOpacity2-=.05;
	nOpacity2+=.05;

	cOpacity3-=.05;
	nOpacity3+=.05;

	if (d.getElementById('rotator1') != null)
	{
	imgs1[nIndex1].style.display = 'block';
	imgs1[current1].xOpacity = cOpacity1;
	imgs1[nIndex1].xOpacity = nOpacity1;
	}

	imgs2[nIndex2].style.display = 'block';
	imgs2[current2].xOpacity = cOpacity2;
	imgs2[nIndex2].xOpacity = nOpacity2;

	imgs3[nIndex3].style.display = 'block';
	imgs3[current3].xOpacity = cOpacity3;
	imgs3[nIndex3].xOpacity = nOpacity3;	

	if (d.getElementById('rotator1') != null)
	{
	setOpacity(imgs1[current1]);
	setOpacity(imgs1[nIndex1]);
	}
	
	setOpacity(imgs2[current2]);
	setOpacity(imgs2[nIndex2]);
	
	setOpacity(imgs3[current3]);
	setOpacity(imgs3[nIndex3]);

	if (d.getElementById('rotator1') != null)
	{
	if((cOpacity1<=0)||(cOpacity2<=0)||(cOpacity3<=0))
	

	{
		if (imgs1.length > 1) imgs1[current1].style.display = 'none';
		if (imgs2.length > 1) imgs2[current2].style.display = 'none';
		if (imgs3.length > 1) imgs3[current3].style.display = 'none';
		current1 = nIndex1;
		current2 = nIndex2;
		current3 = nIndex3;
		setTimeout(so_xfade, scrollerdelay);
	}
	else
	{
		setTimeout(so_xfade,50);
	}
	}
	else
	{
	if((cOpacity2<=0)||(cOpacity3<=0))

	{
		//if (imgs1.length > 1) imgs1[current1].style.display = 'none';
		if (imgs2.length > 1) imgs2[current2].style.display = 'none';
		if (imgs3.length > 1) imgs3[current3].style.display = 'none';
		//current1 = nIndex1;
		current2 = nIndex2;
		current3 = nIndex3;
		setTimeout(so_xfade, scrollerdelay);
	}
	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) + ')';
	}
}