/*
	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, 
	imgs1 = new Array(),
	imgs2 = new Array(),
	imgs3 = new Array(),
	imgs4 = new Array(),
	imgs5 = new Array(),
	imgs6 = new Array(),
	zInterval = 5000, 
	current1=0, 
	current2=0, 
	current3=0, 
	current4=0, 
	current5=0, 
	current6=0, 
	pause=false;

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

	//d.getElementById('content').style.visibility= "hidden";
	
	css = d.createElement('link');
	css.setAttribute('href','slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);
	
	imgs1 = d.getElementById('box1').getElementsByTagName('img');
	for(i=1;i<imgs1.length;i++) imgs1[i].xOpacity = 0;
	imgs1[0].style.display = 'block';
	imgs1[0].xOpacity = .99;

	setTimeout(so_xfade1,zInterval);

	imgs2 = d.getElementById('box2').getElementsByTagName('img');
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
	imgs2[0].style.display = 'block';
	imgs2[0].xOpacity = .99;

	setTimeout(so_xfade2,zInterval);

	imgs3 = d.getElementById('box3').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,zInterval);

	imgs4 = d.getElementById('box4').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,zInterval);

	imgs5 = d.getElementById('box5').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,zInterval);

	imgs6 = d.getElementById('box6').getElementsByTagName('img');
	for(i=1;i<imgs6.length;i++) imgs6[i].xOpacity = 0;
	imgs6[0].style.display = 'block';
	imgs6[0].xOpacity = .99;

	setTimeout(so_xfade6,zInterval);
}


function so_xfade1()
{
	cOpacity = imgs1[current1].xOpacity;
	nIndex = imgs1[current1+1]?current1+1:0;
	nOpacity = imgs1[nIndex].xOpacity;

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

	imgs1[nIndex].style.display = 'block';
	imgs1[current1].xOpacity = cOpacity;
	imgs1[nIndex].xOpacity = nOpacity;

	setOpacity(imgs1[current1]);
	setOpacity(imgs1[nIndex]);

	if(cOpacity<=0)
	{
		imgs1[current1].style.display = 'none';
		current1 = nIndex;
		setTimeout(so_xfade1,zInterval);
	}
	else
	{
		setTimeout(so_xfade1,50);
	}

	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_xfade2()
{
	cOpacity = imgs2[current2].xOpacity;
	nIndex = imgs2[current2+1]?current2+1:0;
	nOpacity = imgs2[nIndex].xOpacity;

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

	imgs2[nIndex].style.display = 'block';
	imgs2[current2].xOpacity = cOpacity;
	imgs2[nIndex].xOpacity = nOpacity;

	setOpacity(imgs2[current2]);
	setOpacity(imgs2[nIndex]);

	if(cOpacity<=0)
	{
		imgs2[current2].style.display = 'none';
		current2 = nIndex;
		setTimeout(so_xfade2,zInterval);
	}
	else
	{
		setTimeout(so_xfade2,50);
	}

	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;

	cOpacity-=.05;
	nOpacity+=.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,zInterval);
	}
	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;

	cOpacity-=.05;
	nOpacity+=.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,zInterval);
	}
	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;

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

function so_xfade6()
{
	cOpacity = imgs6[current6].xOpacity;
	nIndex = imgs6[current6+1]?current6+1:0;
	nOpacity = imgs6[nIndex].xOpacity;

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

	imgs6[nIndex].style.display = 'block';
	imgs6[current6].xOpacity = cOpacity;
	imgs6[nIndex].xOpacity = nOpacity;

	setOpacity(imgs6[current6]);
	setOpacity(imgs6[nIndex]);

	if(cOpacity<=0)
	{
		imgs6[current6].style.display = 'none';
		current6 = nIndex;
		setTimeout(so_xfade6,zInterval);
	}
	else
	{
		setTimeout(so_xfade6,50);
	}

	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) + ')';
	}
}