/*
	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

    Multi Image Cross Fade Redux
    Version 1.0
    Last revision: 07.02.2008
    abbadoh@hotmail.com

*/

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

//window.addEventListener?window.addEventListener('load',so_init2,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, pause=false;

var current = new Array();

current[0] = 0;
current[1] = 0;
current[2] = 0;


var blocks = new Array();
blocks[0] = new Array();
blocks[0]['current']    = 0;
blocks[0]['id']         = 'slideshow1';
blocks[0]['nextime']    = 3000;
blocks[0]['fadetime']   = 60;
blocks[0]['delay']      = 0;

blocks[1] = new Array();
blocks[1]['current']    = 0;
blocks[1]['id']         = 'slideshow2';
blocks[1]['nextime']    = 3000;
blocks[1]['fadetime']   = 60;
blocks[1]['delay']      = 1000;

blocks[2] = new Array();
blocks[2]['current']    = 0;
blocks[2]['id']         = 'slideshow3';
blocks[2]['nextime']    = 3000;
blocks[2]['fadetime']   = 60;
blocks[2]['delay']      = 2000;

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

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

	for(n=0; n<blocks.length; n++)
	{
	   
	    imgs[n] = new Array();
	   
	    imgs[n] = d.getElementById(blocks[n]['id']).getElementsByTagName('img');
    	
	    for(i=1;i<imgs[n].length;i++) imgs[n][i].xOpacity = 0;
	    imgs[n][0].style.display = 'block';
	    imgs[n][0].xOpacity = .99;

        call = "so_xfade("+n+")";
        //alert('as');
	    
	    delay = 3000 + blocks[n]['delay'];
	    setTimeout(call,delay);
	}
}

function so_xfade(n)
{
	//alert(n);
	//alert(imgs[n]);
	
	current_image = blocks[n]['current'];
	
	cOpacity = imgs[n][current_image].xOpacity;
	nIndex = imgs[n][current_image+1]?current_image+1:0;
	nOpacity = imgs[n][nIndex].xOpacity;

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

    imgs[n][nIndex].style.display = 'block';
	imgs[n][current_image].xOpacity = cOpacity;
	imgs[n][nIndex].xOpacity = nOpacity;

	setOpacity(imgs[n][current_image]);
	setOpacity(imgs[n][nIndex]);

	if(cOpacity<=0)
	{
		imgs[n][current_image].style.display = 'none';
		blocks[n]['current'] = nIndex;
		call = "so_xfade("+n+")";
		
		time = blocks[n]['nextime'];
		setTimeout(call,time);
	}
	else
	{
		call = "so_xfade("+n+")";
		time = blocks[n]['fadetime'];
		setTimeout(call,time);
	}

	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_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);

	for(n=0; n<blocks.length; n++)
	{
	   
	    imgs[n] = new Array();
	   
	    imgs[n] = d.getElementById('slideshow'+blocks[n]).getElementsByTagName('img');
    	
	    for(i=1;i<imgs[n].length;i++) imgs[n][i].xOpacity = 0;
	    imgs[n][0].style.display = 'block';
	    imgs[n][0].xOpacity = .99;

        call = "so_xfade("+n+")";
	    setTimeout(call,3000);
	}
}

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

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

    imgs[n][nIndex].style.display = 'block';
	imgs[n][current_image].xOpacity = cOpacity;
	imgs[n][nIndex].xOpacity = nOpacity;

	setOpacity(imgs[n][current_image]);
	setOpacity(imgs[n][nIndex]);

	if(cOpacity<=0)
	{
		imgs[n][current_image].style.display = 'none';
		current[n] = nIndex;
		call = "so_xfade("+n+")";
		setTimeout(call,3000);
	}
	else
	{
		call = "so_xfade("+n+")";
		setTimeout(call,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) + ')';
	}
}
*/