/*****

This Script is based on the "Image Cross Fade Redux" from slayeroffice.com

*****/


window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);
/* window.addEventListener?window.addEventListener("load",init,false):window.attachEvent("onload",init); */

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false, imgContainer = new Array();

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	css = d.createElement("link");
	css.setAttribute("href","http://www.edgedesigns.org/wp-content/themes/edge-designs-v3/js-on.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);
	quote = d.getElementById("portfolio").getElementsByTagName("div");
	for(i=1;i<quote.length;i++) 
	quote[i].xOpacity = 0;
	quote[0].xOpacity = 99;
	quote[0].style.display = "block";
	setTimeout(so_xfadeout,5000);
}

function so_xfadein() 
{
	quote[current].style.display = "block";

	cOpacity = quote[current].xOpacity;
	
	cOpacity+=.01;
	
	if(cOpacity>=.95) {
		setTimeout(so_xfadeout,5000);
	}
	else {
	quote[current].xOpacity = cOpacity;
	
	setOpacity(quote[current]);
	
	setTimeout(so_xfadein,50);
	}
}
	
function so_xfadeout() 
{
	nIndex = quote[current+1]?current+1:0;
	cOpacity = quote[current].xOpacity;
	
	cOpacity-=.01;
	
	if(cOpacity<=0.05) {
		quote[current].style.display = "none";
		current = nIndex;
		quote[nIndex].xOpacity = 0;
		setTimeout(so_xfadein,100);
	}
	
	else {
	quote[current].xOpacity = cOpacity;
	
	setOpacity(quote[current]);
	
	setTimeout(so_xfadeout,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 init() {

	if (!d.getElementById || !d.createElement) return;
	imgContainer = d.getElementById("fade");
	imgs = imgContainer.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,1000);
}

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

	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.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,1000);
	} else {
		setTimeout(so_xfade,50);
	}
	}
*/