/*****
Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com
Please leave this notice intact. 
Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html
*****/

/*
and then viciously hacked by Patrick Hawley to:
	cycle once and then move on
	update second image location
*/
window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);
var d=document, imgs = new Array(), quotes = new Array(), zInterval = null, current=0, quoteNow=0, pause=false;
function so_init() {
	if(!d.getElementById || !d.createElement)return;

	// DON'T FORGET TO GRAB THIS FILE AND PLACE IT ON YOUR SERVER IN THE SAME DIRECTORY AS THE JAVASCRIPT!
	// http://slayeroffice.com/code/imageCrossFade/xfade2.css
/*	css = d.createElement("link");
	css.setAttribute("href","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);
*/
	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;

	quotes = d.getElementById("quoteContainer").getElementsByTagName("img");
	for(i=1;i<quotes.length;i++) quotes[i].xOpacity = 0;
	quotes[0].style.display = "block";
	quotes[0].xOpacity = .99;
	
	var tempText = imgs[0].alt.split(":");
	ArtistName = d.getElementById("artistName");
	TitleName = d.getElementById("titleName");
	ArtistName.innerHTML = "ARTIST :: " + tempText[0];
	TitleName.innerHTML = tempText[1];

	setTimeout(so_xfade,5000);
}
function so_xfade()
{
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;

	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.02; 
	nOpacity+=.02;
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);

	if(nOpacity>=.70 && quoteNow!=nIndex)
	{
		replaceQuote(nIndex);
		quoteNow = nIndex;
	}

	if(cOpacity<=0)
	{
		imgs[current].style.display = "none";
		current = nIndex;
		if( !imgs[current+1] )
		{
			setTimeout(nextPage,5000);
		} else
		{
			setTimeout(so_xfade,5000);
		}
	} 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 replaceQuote(next)
{
    oldQuote = next-1;
	quotes[oldQuote].style.display = "none";
	quotes[oldQuote].xOpacity = 0;
	quotes[next].style.display = "block";
	quotes[next].xOpacity = .99;
	var tempText = imgs[next].alt.split(":");
	ArtistName = d.getElementById("artistName");
	TitleName = d.getElementById("titleName");
	ArtistName.innerHTML = "ARTIST :: " + tempText[0];
	TitleName.innerHTML = tempText[1];
}
function nextPage()
{
	window.location = '/collection.php';
}